Merge pull request #1339 from albertgasset/MOBILE-2354

Mobile 2354

gulpfile.js

@@ -293,7 +293,8 @@ var templatesSrc = [
         './src/core/**/components/**/*.html',
         './src/core/**/component/**/*.html',
         // Only some addon components are injected to compile to decrease load time. Copy only the ones that are needed.
-        './src/addon/mod/assign/components/**/*.html'
+        './src/addon/mod/assign/components/**/*.html',
+        './src/addon/mod/workshop/components/**/*.html'
     ],
     templatesDest = './www/templates';
 

src/addon/messages/providers/messages.ts

@@ -1033,7 +1033,7 @@ export class AddonMessagesProvider {
         return this.sendMessagesOnline(messages, siteId).then((response) => {
             if (response && response[0] && response[0].msgid === -1) {
                 // There was an error, and it should be translated already.
-                return this.utils.createFakeWSError(response[0].errormessage);
+                return Promise.reject(this.utils.createFakeWSError(response[0].errormessage));
             }
 
             return this.invalidateDiscussionCache(toUserId, siteId).catch(() => {

src/addon/mod/assign/feedback/comments/component/addon-mod-assign-feedback-comments.html

@@ -11,7 +11,7 @@
             </button>
         </div>
         <ion-note *ngIf="!isSent" color="dark">
-            <ion-icon name="clock"></ion-icon>
+            <ion-icon name="time"></ion-icon>
             {{ 'core.notsent' | translate }}
         </ion-note>
     </div>

src/addon/mod/feedback/providers/feedback.ts

@@ -1189,7 +1189,7 @@ export class AddonModFeedbackProvider {
                 };
 
             return site.write('mod_feedback_process_page', params).catch((error) => {
-                return this.utils.createFakeWSError(error);
+                return Promise.reject(this.utils.createFakeWSError(error));
             }).then((response) => {
                 // Invalidate and update current values because they will change.
                 return this.invalidateCurrentValuesData(feedbackId, site.getId()).then(() => {

src/addon/mod/forum/providers/forum.ts

@@ -179,7 +179,7 @@ export class AddonModForumProvider {
             return site.write('mod_forum_add_discussion', params).then((response) => {
                 // Other errors ocurring.
                 if (!response || !response.discussionid) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 } else {
                     return response.discussionid;
                 }
@@ -694,7 +694,7 @@ export class AddonModForumProvider {
 
             return site.write('mod_forum_add_discussion_post', params).then((response) => {
                 if (!response || !response.postid) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 } else {
                     return response.postid;
                 }

src/addon/mod/glossary/providers/glossary.ts

@@ -812,7 +812,7 @@ export class AddonModGlossaryProvider {
                     return response.entryid;
                 }
 
-                return this.utils.createFakeWSError('');
+                return Promise.reject(this.utils.createFakeWSError(''));
             });
         });
     }

src/addon/mod/survey/providers/survey.ts

@@ -268,7 +268,7 @@ export class AddonModSurveyProvider {
 
             return site.write('mod_survey_submit_answers', params).then((response) => {
                 if (!response.status) {
-                    return this.utils.createFakeWSError('');
+                    return Promise.reject(this.utils.createFakeWSError(''));
                 }
             });
         });

src/addon/mod/wiki/pages/edit/edit.ts

@@ -482,8 +482,7 @@ export class AddonModWikiEditPage implements OnInit, OnDestroy {
                                 pageId: this.pageId,
                                 subwikiId: this.subwikiId,
                                 pageTitle: title,
-                                siteId: this.sitesProvider.getCurrentSiteId()
+                            }, this.sitesProvider.getCurrentSiteId());
-                            });
                         });
                     } else {
                         // Page stored in offline. Go to see the offline page.

src/addon/mod/workshop/assessment/accumulative/accumulative.module.ts

@@ -0,0 +1,51 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { IonicModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopAssessmentStrategyAccumulativeComponent } from './component/accumulative';
+import { AddonModWorkshopAssessmentStrategyAccumulativeHandler } from './providers/handler';
+import { AddonWorkshopAssessmentStrategyDelegate } from '../../providers/assessment-strategy-delegate';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopAssessmentStrategyAccumulativeComponent,
+    ],
+    imports: [
+        CommonModule,
+        IonicModule,
+        TranslateModule.forChild(),
+        CoreComponentsModule,
+        CoreDirectivesModule
+    ],
+    providers: [
+        AddonModWorkshopAssessmentStrategyAccumulativeHandler
+    ],
+    exports: [
+        AddonModWorkshopAssessmentStrategyAccumulativeComponent
+    ],
+    entryComponents: [
+        AddonModWorkshopAssessmentStrategyAccumulativeComponent
+    ]
+})
+export class AddonModWorkshopAssessmentStrategyAccumulativeModule {
+    constructor(strategyDelegate: AddonWorkshopAssessmentStrategyDelegate,
+            strategyHandler: AddonModWorkshopAssessmentStrategyAccumulativeHandler) {
+        strategyDelegate.registerHandler(strategyHandler);
+    }
+}

src/addon/mod/workshop/assessment/accumulative/component/accumulative.html

@@ -0,0 +1,27 @@
+<ion-card *ngFor="let field of assessment.form.fields; let n = index">
+    <ion-item text-wrap>
+        <h2>{{ field.dimtitle }}</h2>
+        <core-format-text [text]="field.description"></core-format-text>
+    </ion-item>
+    <ion-item *ngIf="edit && field.grades">
+        <ion-label [core-mark-required]="true" stacked>{{ 'addon.mod_workshop_assessment_accumulative.dimensiongradefor' | translate : {'$a': field.dimtitle } }}</ion-label>
+        <ion-select [(ngModel)]="selectedValues[n].grade">
+            <ion-option *ngFor="let grade of field.grades" [value]="grade.value">{{grade.label}}</ion-option>
+        </ion-select>
+        <core-input-errors item-content *ngIf="fieldErrors['grade_' + n]" [errorText]="fieldErrors['grade_' + n]"></core-input-errors>
+    </ion-item>
+    <ion-item *ngIf="!edit && field.grades" text-wrap>
+        <h2>{{ 'addon.mod_workshop_assessment_accumulative.dimensiongradefor' | translate : {'$a': field.dimtitle } }}</h2>
+        <ng-container *ngFor="let grade of field.grades">
+            <p *ngIf="grade.value === selectedValues[n].grade">{{grade.label}}</p>
+        </ng-container>
+    </ion-item>
+    <ion-item *ngIf="edit">
+        <ion-label stacked>{{ 'addon.mod_workshop_assessment_accumulative.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</ion-label>
+        <ion-textarea aria-multiline="true" [(ngModel)]="selectedValues[n].peercomment" core-auto-rows></ion-textarea>
+    </ion-item>
+    <ion-item *ngIf="!edit" text-wrap>
+        <h2>{{ 'addon.mod_workshop_assessment_accumulative.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</h2>
+        <p><core-format-text [text]="selectedValues[n].peercomment"></core-format-text></p>
+    </ion-item>
+</ion-card>

src/addon/mod/workshop/assessment/accumulative/component/accumulative.ts

@@ -0,0 +1,26 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component } from '@angular/core';
+import { AddonModWorkshopAssessmentStrategyComponentBase } from '../../../classes/assessment-strategy-component';
+
+/**
+ * Component for accumulative assessment strategy.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment-strategy-accumulative',
+    templateUrl: 'accumulative.html',
+})
+export class AddonModWorkshopAssessmentStrategyAccumulativeComponent extends AddonModWorkshopAssessmentStrategyComponentBase {
+}

src/addon/mod/workshop/assessment/accumulative/lang/en.json

@@ -0,0 +1,6 @@
+{
+    "dimensioncommentfor": "Comment for {{$a}}",
+    "dimensiongradefor": "Grade for {{$a}}",
+    "dimensionnumber": "Aspect {{$a}}",
+    "mustchoosegrade": "You have to select a grade for this aspect"
+}

src/addon/mod/workshop/assessment/accumulative/providers/handler.ts

@@ -0,0 +1,146 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreGradesHelperProvider } from '@core/grades/providers/helper';
+import { AddonWorkshopAssessmentStrategyHandler } from '../../../providers/assessment-strategy-delegate';
+import { AddonModWorkshopAssessmentStrategyAccumulativeComponent } from '../component/accumulative';
+
+/**
+ * Handler for accumulative assessment strategy plugin.
+ */
+@Injectable()
+export class AddonModWorkshopAssessmentStrategyAccumulativeHandler implements AddonWorkshopAssessmentStrategyHandler {
+    name = 'AddonModWorkshopAssessmentStrategyAccumulative';
+    strategyName = 'accumulative';
+
+    constructor(private translate: TranslateService, private gradesHelper: CoreGradesHelperProvider) {}
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     * @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return true;
+    }
+
+    /**
+     * Return the Component to render the plugin.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent(injector: Injector): any | Promise<any> {
+        return AddonModWorkshopAssessmentStrategyAccumulativeComponent;
+    }
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId WorkShop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues(form: any, workshopId: number): Promise<any[]> {
+        const defaultGrade = this.translate.instant('core.choosedots'),
+            originalValues = [],
+            promises = [];
+
+        form.fields.forEach((field, n) => {
+            field.dimtitle = this.translate.instant(
+                    'addon.mod_workshop_assessment_accumulative.dimensionnumber', {$a: field.number});
+
+            const scale = parseInt(field.grade, 10) < 0 ? form.dimensionsinfo[n].scale : null;
+
+            if (!form.current[n]) {
+                form.current[n] = {};
+            }
+
+            originalValues[n] = {
+                peercomment: form.current[n].peercomment || '',
+                number: field.number
+            };
+
+            form.current[n].grade = form.current[n].grade ? parseInt(form.current[n].grade, 10) : -1;
+
+            promises.push(this.gradesHelper.makeGradesMenu(field.grade, workshopId, defaultGrade, -1, scale).then((grades) => {
+                field.grades = grades;
+                originalValues[n].grade = form.current[n].grade;
+            }));
+        });
+
+        return Promise.all(promises).then(() => {
+            return originalValues;
+        });
+    }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(originalValues: any[], currentValues: any[]): boolean {
+        for (const x in originalValues) {
+            if (originalValues[x].grade != currentValues[x].grade) {
+                return true;
+            }
+            if (originalValues[x].peercomment != currentValues[x].peercomment) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any> {
+        const data =  {};
+        const errors = {};
+        let hasErrors = false;
+
+        form.fields.forEach((field, idx) => {
+            const grade = parseInt(currentValues[idx].grade, 10);
+            if (!isNaN(grade) && grade >= 0) {
+                data['grade__idx_' + idx] = grade;
+            } else {
+                errors['grade_' + idx] = this.translate.instant('addon.mod_workshop_assessment_accumulative.mustchoosegrade');
+                hasErrors = true;
+            }
+
+            if (currentValues[idx].peercomment) {
+                data['peercomment__idx_' + idx] = currentValues[idx].peercomment;
+            }
+
+            data['gradeid__idx_' + idx] = parseInt(form.current[idx].gradeid, 10) || 0;
+            data['dimensionid__idx_' + idx] = parseInt(field.dimensionid, 10);
+            data['weight__idx_' + idx] = parseInt(field.weight, 10) ||  0;
+        });
+
+        if (hasErrors) {
+            return Promise.reject(errors);
+        }
+
+        return Promise.resolve(data);
+    }
+}

src/addon/mod/workshop/assessment/assessment.module.ts

@@ -0,0 +1,29 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { AddonModWorkshopAssessmentStrategyAccumulativeModule } from './accumulative/accumulative.module';
+import { AddonModWorkshopAssessmentStrategyCommentsModule } from './comments/comments.module';
+import { AddonModWorkshopAssessmentStrategyNumErrorsModule } from './numerrors/numerrors.module';
+import { AddonModWorkshopAssessmentStrategyRubricModule } from './rubric/rubric.module';
+
+@NgModule({
+    imports: [
+        AddonModWorkshopAssessmentStrategyAccumulativeModule,
+        AddonModWorkshopAssessmentStrategyCommentsModule,
+        AddonModWorkshopAssessmentStrategyNumErrorsModule,
+        AddonModWorkshopAssessmentStrategyRubricModule,
+    ]
+})
+export class AddonModWorkshopAssessmentStrategyModule {}

src/addon/mod/workshop/assessment/comments/comments.module.ts

@@ -0,0 +1,51 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { IonicModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopAssessmentStrategyCommentsComponent } from './component/comments';
+import { AddonModWorkshopAssessmentStrategyCommentsHandler } from './providers/handler';
+import { AddonWorkshopAssessmentStrategyDelegate } from '../../providers/assessment-strategy-delegate';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopAssessmentStrategyCommentsComponent,
+    ],
+    imports: [
+        CommonModule,
+        IonicModule,
+        TranslateModule.forChild(),
+        CoreComponentsModule,
+        CoreDirectivesModule
+    ],
+    providers: [
+        AddonModWorkshopAssessmentStrategyCommentsHandler
+    ],
+    exports: [
+        AddonModWorkshopAssessmentStrategyCommentsComponent
+    ],
+    entryComponents: [
+        AddonModWorkshopAssessmentStrategyCommentsComponent
+    ]
+})
+export class AddonModWorkshopAssessmentStrategyCommentsModule {
+    constructor(strategyDelegate: AddonWorkshopAssessmentStrategyDelegate,
+            strategyHandler: AddonModWorkshopAssessmentStrategyCommentsHandler) {
+        strategyDelegate.registerHandler(strategyHandler);
+    }
+}

src/addon/mod/workshop/assessment/comments/component/comments.html

@@ -0,0 +1,15 @@
+<ion-card *ngFor="let field of assessment.form.fields; let n = index">
+    <ion-item text-wrap>
+        <h2>{{ field.dimtitle }}</h2>
+        <core-format-text [text]="field.description"></core-format-text>
+    </ion-item>
+    <ion-item *ngIf="edit">
+        <ion-label stacked [core-mark-required]="true">{{ 'addon.mod_workshop_assessment_comments.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</ion-label>
+        <ion-textarea aria-multiline="true" [(ngModel)]="selectedValues[n].peercomment" core-auto-rows></ion-textarea>
+        <core-input-errors item-content *ngIf="fieldErrors['peercomment_' + n]" [errorText]="fieldErrors['peercomment_' + n]"></core-input-errors>
+    </ion-item>
+    <ion-item *ngIf="!edit" text-wrap>
+        <h2>{{ 'addon.mod_workshop_assessment_comments.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</h2>
+        <p><core-format-text [text]="selectedValues[n].peercomment"></core-format-text></p>
+    </ion-item>
+</ion-card>

src/addon/mod/workshop/assessment/comments/component/comments.ts

@@ -0,0 +1,26 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component } from '@angular/core';
+import { AddonModWorkshopAssessmentStrategyComponentBase } from '../../../classes/assessment-strategy-component';
+
+/**
+ * Component for comments assessment strategy.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment-strategy-comments',
+    templateUrl: 'comments.html',
+})
+export class AddonModWorkshopAssessmentStrategyCommentsComponent extends AddonModWorkshopAssessmentStrategyComponentBase {
+}

src/addon/mod/workshop/assessment/comments/lang/en.json

@@ -0,0 +1,4 @@
+{
+    "dimensioncommentfor": "Comment for {{$a}}",
+    "dimensionnumber": "Aspect {{$a}}"
+}

src/addon/mod/workshop/assessment/comments/providers/handler.ts

@@ -0,0 +1,122 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { AddonWorkshopAssessmentStrategyHandler } from '../../../providers/assessment-strategy-delegate';
+import { AddonModWorkshopAssessmentStrategyCommentsComponent } from '../component/comments';
+
+/**
+ * Handler for comments assessment strategy plugin.
+ */
+@Injectable()
+export class AddonModWorkshopAssessmentStrategyCommentsHandler implements AddonWorkshopAssessmentStrategyHandler {
+    name = 'AddonModWorkshopAssessmentStrategyComments';
+    strategyName = 'comments';
+
+    constructor(private translate: TranslateService) {}
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     * @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return true;
+    }
+
+    /**
+     * Return the Component to render the plugin.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent(injector: Injector): any | Promise<any> {
+        return AddonModWorkshopAssessmentStrategyCommentsComponent;
+    }
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId Workshop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues(form: any, workshopId: number): Promise<any[]> {
+        const originalValues = [];
+
+        form.fields.forEach((field, n) => {
+            field.dimtitle = this.translate.instant('addon.mod_workshop_assessment_comments.dimensionnumber', {$a: field.number});
+
+            if (!form.current[n]) {
+                form.current[n] = {};
+            }
+
+            originalValues[n] = {
+                peercomment: form.current[n].peercomment || '',
+                number: field.number
+            };
+        });
+
+        return Promise.resolve(originalValues);
+    }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(originalValues: any[], currentValues: any[]): boolean {
+        for (const x in originalValues) {
+            if (originalValues[x].peercomment != currentValues[x].peercomment) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any> {
+        const data = {};
+        const errors = {};
+        let hasErrors = false;
+
+        form.fields.forEach((field, idx) => {
+            if (currentValues[idx].peercomment) {
+                data['peercomment__idx_' + idx] = currentValues[idx].peercomment;
+            } else {
+                errors['peercomment_' + idx] = this.translate.instant('core.err_required');
+                hasErrors = true;
+            }
+
+            data['gradeid__idx_' + idx] = parseInt(form.current[idx].gradeid, 10) || 0;
+            data['dimensionid__idx_' + idx] = parseInt(field.dimensionid, 10);
+        });
+
+        if (hasErrors) {
+            return Promise.reject(errors);
+        }
+
+        return Promise.resolve(data);
+    }
+}

src/addon/mod/workshop/assessment/numerrors/component/numerrors.html

@@ -0,0 +1,28 @@
+<ion-card *ngFor="let field of assessment.form.fields; let n = index">
+    <ion-item text-wrap>
+        <h2>{{ field.dimtitle }}</h2>
+        <core-format-text [text]="field.description"></core-format-text>
+    </ion-item>
+    <ion-list radio-group [(ngModel)]="selectedValues[n].grade" [name]="'grade_' + n">
+        <ion-item>
+            <ion-label stacked [core-mark-required]="edit">{{ 'addon.mod_workshop.yourassessmentfor' | translate : {'$a': field.dimtitle } }}</ion-label>
+            <core-input-errors item-content *ngIf="edit && fieldErrors['grade_' + n]" [errorText]="fieldErrors['grade_' + n]"></core-input-errors>
+        </ion-item>
+        <ion-item>
+            <ion-label><core-format-text [text]="field.grade0"></core-format-text></ion-label>
+            <ion-radio [value]="-1" [disabled]="!edit"></ion-radio>
+        </ion-item>
+        <ion-item>
+            <ion-label><core-format-text [text]="field.grade1"></core-format-text></ion-label>
+            <ion-radio [value]="1" [disabled]="!edit"></ion-radio>
+        </ion-item>
+    </ion-list>
+    <ion-item *ngIf="edit">
+        <ion-label stacked>{{ 'addon.mod_workshop_assessment_numerrors.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</ion-label>
+        <ion-textarea aria-multiline="true" [(ngModel)]="selectedValues[n].peercomment" [name]="'peercomment_' + n" core-auto-rows></ion-textarea>
+    </ion-item>
+    <ion-item *ngIf="!edit" text-wrap>
+        <h2>{{ 'addon.mod_workshop_assessment_numerrors.dimensioncommentfor' | translate : {'$a': field.dimtitle } }}</h2>
+        <p><core-format-text [text]="selectedValues[n].peercomment"></core-format-text></p>
+    </ion-item>
+</ion-card>

src/addon/mod/workshop/assessment/numerrors/component/numerrors.ts

@@ -0,0 +1,26 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component } from '@angular/core';
+import { AddonModWorkshopAssessmentStrategyComponentBase } from '../../../classes/assessment-strategy-component';
+
+/**
+ * Component for numerrors assessment strategy.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment-strategy-numerrors',
+    templateUrl: 'numerrors.html',
+})
+export class AddonModWorkshopAssessmentStrategyNumErrorsComponent extends AddonModWorkshopAssessmentStrategyComponentBase {
+}

src/addon/mod/workshop/assessment/numerrors/lang/en.json

@@ -0,0 +1,5 @@
+{
+    "dimensioncommentfor": "Comment for {{$a}}",
+    "dimensiongradefor": "Grade for {{$a}}",
+    "dimensionnumber": "Assertion {{$a}}"
+}

src/addon/mod/workshop/assessment/numerrors/numerrors.module.ts

@@ -0,0 +1,51 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { IonicModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopAssessmentStrategyNumErrorsComponent } from './component/numerrors';
+import { AddonModWorkshopAssessmentStrategyNumErrorsHandler } from './providers/handler';
+import { AddonWorkshopAssessmentStrategyDelegate } from '../../providers/assessment-strategy-delegate';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopAssessmentStrategyNumErrorsComponent,
+    ],
+    imports: [
+        CommonModule,
+        IonicModule,
+        TranslateModule.forChild(),
+        CoreComponentsModule,
+        CoreDirectivesModule
+    ],
+    providers: [
+        AddonModWorkshopAssessmentStrategyNumErrorsHandler
+    ],
+    exports: [
+        AddonModWorkshopAssessmentStrategyNumErrorsComponent
+    ],
+    entryComponents: [
+        AddonModWorkshopAssessmentStrategyNumErrorsComponent
+    ]
+})
+export class AddonModWorkshopAssessmentStrategyNumErrorsModule {
+    constructor(strategyDelegate: AddonWorkshopAssessmentStrategyDelegate,
+            strategyHandler: AddonModWorkshopAssessmentStrategyNumErrorsHandler) {
+        strategyDelegate.registerHandler(strategyHandler);
+    }
+}

src/addon/mod/workshop/assessment/numerrors/providers/handler.ts

@@ -0,0 +1,132 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { AddonWorkshopAssessmentStrategyHandler } from '../../../providers/assessment-strategy-delegate';
+import { AddonModWorkshopAssessmentStrategyNumErrorsComponent } from '../component/numerrors';
+
+/**
+ * Handler for numerrors assessment strategy plugin.
+ */
+@Injectable()
+export class AddonModWorkshopAssessmentStrategyNumErrorsHandler implements AddonWorkshopAssessmentStrategyHandler {
+    name = 'AddonModWorkshopAssessmentStrategyNumErrors';
+    strategyName = 'numerrors';
+
+    constructor(private translate: TranslateService) {}
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     * @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return true;
+    }
+
+    /**
+     * Return the Component to render the plugin.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent(injector: Injector): any | Promise<any> {
+        return AddonModWorkshopAssessmentStrategyNumErrorsComponent;
+    }
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId Workshop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues(form: any, workshopId: number): Promise<any[]> {
+        const originalValues = [];
+
+        form.fields.forEach((field, n) => {
+            field.dimtitle = this.translate.instant('addon.mod_workshop_assessment_numerrors.dimensionnumber', {$a: field.number});
+
+            if (!form.current[n]) {
+                form.current[n] = {};
+            }
+
+            originalValues[n] = {
+                peercomment: form.current[n].peercomment || '',
+                number: field.number,
+                grade: form.current[n].grade || ''
+            };
+        });
+
+        return Promise.resolve(originalValues);
+    }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(originalValues: any[], currentValues: any[]): boolean {
+        for (const x in originalValues) {
+            if (originalValues[x].grade != currentValues[x].grade) {
+                return true;
+            }
+            if (originalValues[x].peercomment != currentValues[x].peercomment) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any> {
+        const data = {};
+        const errors = {};
+        let hasErrors = false;
+
+        form.fields.forEach((field, idx) => {
+            const grade = parseInt(currentValues[idx].grade);
+            if (!isNaN(grade) && grade >= 0) {
+                data['grade__idx_' + idx] = grade;
+            } else {
+                errors['grade_' + idx] = this.translate.instant('core.required');
+                hasErrors = true;
+            }
+
+            if (currentValues[idx].peercomment) {
+                data['peercomment__idx_' + idx] = currentValues[idx].peercomment;
+            }
+
+            data['gradeid__idx_' + idx] = parseInt(form.current[idx].gradeid, 10) || 0;
+            data['dimensionid__idx_' + idx] = parseInt(field.dimensionid, 10);
+            data['weight__idx_' + idx] = parseInt(field.weight, 10) ||  0;
+        });
+
+        if (hasErrors) {
+            return Promise.reject(errors);
+        }
+
+        return Promise.resolve(data);
+    }
+}

src/addon/mod/workshop/assessment/rubric/component/rubric.html

@@ -0,0 +1,13 @@
+<ion-card *ngFor="let field of assessment.form.fields; let n = index">
+    <ion-item text-wrap>
+        <h2 [core-mark-required]="edit">{{ field.dimtitle }}</h2>
+        <core-format-text [text]="field.description"></core-format-text>
+        <core-input-errors *ngIf="edit && fieldErrors['chosenlevelid_' + n]" [errorText]="fieldErrors['chosenlevelid_' + n]"></core-input-errors>
+    </ion-item>
+    <ion-list radio-group [(ngModel)]="selectedValues[n].chosenlevelid" [name]="'chosenlevelid_' + n">
+        <ion-item *ngFor="let subfield of field.fields">
+            <ion-label><p><core-format-text [text]="subfield.definition"></core-format-text></p></ion-label>
+            <ion-radio [value]="subfield.levelid" [disabled]="!edit"></ion-radio>
+        </ion-item>
+    </ion-list>
+</ion-card>

src/addon/mod/workshop/assessment/rubric/component/rubric.ts

@@ -0,0 +1,26 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component } from '@angular/core';
+import { AddonModWorkshopAssessmentStrategyComponentBase } from '../../../classes/assessment-strategy-component';
+
+/**
+ * Component for rubric assessment strategy.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment-strategy-rubric',
+    templateUrl: 'rubric.html',
+})
+export class AddonModWorkshopAssessmentStrategyRubricComponent extends AddonModWorkshopAssessmentStrategyComponentBase {
+}

src/addon/mod/workshop/assessment/rubric/lang/en.json

@@ -0,0 +1,4 @@
+{
+    "dimensionnumber": "Criterion {{$a}}",
+    "mustchooseone": "You have to select one of these items"
+}

src/addon/mod/workshop/assessment/rubric/providers/handler.ts

@@ -0,0 +1,123 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { AddonWorkshopAssessmentStrategyHandler } from '../../../providers/assessment-strategy-delegate';
+import { AddonModWorkshopAssessmentStrategyRubricComponent } from '../component/rubric';
+
+/**
+ * Handler for rubric assessment strategy plugin.
+ */
+@Injectable()
+export class AddonModWorkshopAssessmentStrategyRubricHandler implements AddonWorkshopAssessmentStrategyHandler {
+    name = 'AddonModWorkshopAssessmentStrategyRubric';
+    strategyName = 'rubric';
+
+    constructor(private translate: TranslateService) {}
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     * @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return true;
+    }
+
+    /**
+     * Return the Component to render the plugin.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent(injector: Injector): any | Promise<any> {
+        return AddonModWorkshopAssessmentStrategyRubricComponent;
+    }
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId Workshop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues(form: any, workshopId: number): Promise<any[]> {
+        const originalValues = [];
+
+        form.fields.forEach((field, n) => {
+            field.dimtitle = this.translate.instant('addon.mod_workshop_assessment_rubric.dimensionnumber', {$a: field.number});
+
+            if (!form.current[n]) {
+                form.current[n] = {};
+            }
+
+            originalValues[n] = {
+                chosenlevelid: form.current[n].chosenlevelid || '',
+                number: field.number
+            };
+        });
+
+        return Promise.resolve(originalValues);
+    }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(originalValues: any[], currentValues: any[]): boolean {
+        for (const x in originalValues) {
+            if (originalValues[x].chosenlevelid != (currentValues[x].chosenlevelid || '')) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any> {
+        const data = {};
+        const errors = {};
+        let hasErrors = false;
+
+        form.fields.forEach((field, idx) => {
+            const id = parseInt(currentValues[idx].chosenlevelid, 10);
+            if (!isNaN(id) && id >= 0) {
+                data['chosenlevelid__idx_' + idx] = id;
+            } else {
+                errors['chosenlevelid_' + idx] = this.translate.instant('addon.mod_workshop_assessment_rubric.mustchooseone');
+                hasErrors = true;
+            }
+
+            data['gradeid__idx_' + idx] = parseInt(form.current[idx].gradeid, 10) || 0;
+            data['dimensionid__idx_' + idx] = parseInt(field.dimensionid, 10);
+        });
+
+        if (hasErrors) {
+            return Promise.reject(errors);
+        }
+
+        return Promise.resolve(data);
+    }
+}

src/addon/mod/workshop/assessment/rubric/rubric.module.ts

@@ -0,0 +1,51 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { IonicModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopAssessmentStrategyRubricComponent } from './component/rubric';
+import { AddonModWorkshopAssessmentStrategyRubricHandler } from './providers/handler';
+import { AddonWorkshopAssessmentStrategyDelegate } from '../../providers/assessment-strategy-delegate';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopAssessmentStrategyRubricComponent,
+    ],
+    imports: [
+        CommonModule,
+        IonicModule,
+        TranslateModule.forChild(),
+        CoreComponentsModule,
+        CoreDirectivesModule
+    ],
+    providers: [
+        AddonModWorkshopAssessmentStrategyRubricHandler
+    ],
+    exports: [
+        AddonModWorkshopAssessmentStrategyRubricComponent
+    ],
+    entryComponents: [
+        AddonModWorkshopAssessmentStrategyRubricComponent
+    ]
+})
+export class AddonModWorkshopAssessmentStrategyRubricModule {
+    constructor(strategyDelegate: AddonWorkshopAssessmentStrategyDelegate,
+            strategyHandler: AddonModWorkshopAssessmentStrategyRubricHandler) {
+        strategyDelegate.registerHandler(strategyHandler);
+    }
+}

src/addon/mod/workshop/classes/assessment-strategy-component.ts

@@ -0,0 +1,31 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Input } from '@angular/core';
+
+/**
+ * Base class for component to render an assessment strategy.
+ */
+export class AddonModWorkshopAssessmentStrategyComponentBase {
+    @Input() workshopId: number;
+    @Input() assessment: any;
+    @Input() edit: boolean;
+    @Input() selectedValues: any[];
+    @Input() fieldErrors: any;
+    @Input() strategy: string;
+
+    constructor() {
+        // Nothing to do.
+    }
+}

src/addon/mod/workshop/components/assessment-strategy/addon-mod-workshop-assessment-strategy.html

@@ -0,0 +1,43 @@
+<h3 padding>{{ 'addon.mod_workshop.assessmentform' | translate }}</h3>
+
+<form name="mma-mod_workshop-assessment-form">
+    <core-loading [hideUntil]="assessmentStrategyLoaded">
+        <ng-container *ngIf="componentClass && assessmentStrategyLoaded">
+            <core-dynamic-component [component]="componentClass" [data]="data"></core-dynamic-component>
+        </ng-container>
+
+        <div class="core-info-card" *ngIf="notSupported">
+            {{ 'addon.mod_workshop.assessmentstrategynotsupported' | translate:{$a: strategy} }}
+        </div>
+
+        <ion-card *ngIf="assessmentStrategyLoaded && overallFeedkback && (edit || data.assessment.feedbackauthor || data.assessment.feedbackattachmentfiles.length) ">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.overallfeedback' | translate }}</h2>
+            </ion-item>
+            <ion-item stacked *ngIf="edit">
+                <ion-label stacked [core-mark-required]="overallFeedkbackRequired">{{ 'addon.mod_workshop.feedbackauthor' | translate }}</ion-label>
+                <core-rich-text-editor item-content [control]="feedbackControl" [component]="component" [componentId]="workshop.coursemodule" (contentChanged)="onFeedbackChange($event)"></core-rich-text-editor>
+                <core-input-errors item-content *ngIf="overallFeedkbackRequired && fieldErrors['feedbackauthor']" [errorText]="fieldErrors['feedbackauthor']"></core-input-errors>
+            </ion-item>
+            <core-attachments *ngIf="edit && workshop.overallfeedbackfiles" [files]="data.assessment.feedbackattachmentfiles" [maxSize]="workshop.overallfeedbackmaxbytes"
+                [maxSubmissions]="workshop.overallfeedbackfiles" [component]="component" [componentId]="componentId" [allowOffline]="true"></core-attachments>
+            <ion-item *ngIf="edit && access && access.canallocate">
+                <ion-label stacked [core-mark-required]="true">{{ 'addon.mod_workshop.assessmentweight' | translate }}</ion-label>
+                <ion-select [(ngModel)]="weight">
+                    <ion-option *ngFor="let w of weights" [value]="w">{{w}}</ion-option>
+                </ion-select>
+            </ion-item>
+            <ion-item text-wrap *ngIf="!edit && data.assessment.feedbackauthor">
+                <core-format-text [component]="component" [componentId]="componentId" [text]="data.assessment.feedbackauthor"></core-format-text>
+            </ion-item>
+            <ion-item *ngIf="!edit && workshop.overallfeedbackfiles && data.assessment.feedbackattachmentfiles && data.assessment.feedbackattachmentfiles.length">
+                <ng-container *ngFor="let attachment of data.assessment.feedbackattachmentfiles">
+                    <!-- Files already attached to the submission. -->
+                    <core-file *ngIf="!attachment.name" [file]="attachment" [component]="component" [componentId]="componentId"></core-file>
+                    <!-- Files stored in offline to be sent later. -->
+                    <core-local-file *ngIf="attachment.name" [file]="attachment"></core-local-file>
+                </ng-container>
+            </ion-item>
+        </ion-card>
+    </core-loading>
+</form>

src/addon/mod/workshop/components/assessment-strategy/assessment-strategy.ts

@@ -0,0 +1,364 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, Input, OnInit, Injector } from '@angular/core';
+import { FormControl } from '@angular/forms';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreSyncProvider } from '@providers/sync';
+import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreUtilsProvider } from '@providers/utils/utils';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreFileSessionProvider } from '@providers/file-session';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreFileUploaderProvider } from '@core/fileuploader/providers/fileuploader';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+import { AddonWorkshopAssessmentStrategyDelegate } from '../../providers/assessment-strategy-delegate';
+
+/**
+ * Component that displays workshop assessment strategy form.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment-strategy',
+    templateUrl: 'addon-mod-workshop-assessment-strategy.html',
+})
+export class AddonModWorkshopAssessmentStrategyComponent implements OnInit {
+
+    @Input() workshop: any;
+    @Input() access: any;
+    @Input() assessmentId: number;
+    @Input() userId: number;
+    @Input() strategy: string;
+    @Input() edit?: boolean;
+
+    componentClass: any;
+    data = {
+        workshopId: 0,
+        assessment: null,
+        edit: false,
+        selectedValues: [],
+        fieldErrors: {},
+        strategy: ''
+    };
+    assessmentStrategyLoaded = false;
+    notSupported = false;
+    feedbackText = '';
+    feedbackControl = new FormControl();
+    overallFeedkback = false;
+    overallFeedkbackRequired = false;
+    component = AddonModWorkshopProvider.COMPONENT;
+    componentId: number;
+    weights: any[];
+    weight: number;
+
+    protected rteEnabled: boolean;
+    protected obsInvalidated: any;
+    protected hasOffline: boolean;
+    protected originalData = {
+        text: '',
+        files: [],
+        weight: 1,
+        selectedValues: []
+    };
+
+    constructor(private translate: TranslateService,
+            private injector: Injector,
+            private eventsProvider: CoreEventsProvider,
+            private fileSessionProvider: CoreFileSessionProvider,
+            private syncProvider: CoreSyncProvider,
+            private domUtils: CoreDomUtilsProvider,
+            private textUtils: CoreTextUtilsProvider,
+            private utils: CoreUtilsProvider,
+            private sitesProvider: CoreSitesProvider,
+            private uploaderProvider: CoreFileUploaderProvider,
+            private workshopProvider: AddonModWorkshopProvider,
+            private workshopHelper: AddonModWorkshopHelperProvider,
+            private workshopOffline: AddonModWorkshopOfflineProvider,
+            private strategyDelegate: AddonWorkshopAssessmentStrategyDelegate) {}
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        if (!this.assessmentId || !this.strategy) {
+            this.assessmentStrategyLoaded = true;
+
+            return;
+        }
+
+        this.data.workshopId = this.workshop.id;
+        this.data.edit = this.edit;
+        this.data.strategy = this.strategy;
+
+        this.componentClass = this.strategyDelegate.getComponentForPlugin(this.injector, this.strategy);
+        if (this.componentClass) {
+            this.overallFeedkback = !!this.workshop.overallfeedbackmode;
+            this.overallFeedkbackRequired = this.workshop.overallfeedbackmode == 2;
+            this.componentId = this.workshop.coursemodule;
+
+            // Load Weights selector.
+            if (this.edit && this.access.canallocate) {
+                this.weights = [];
+                for (let i = 16; i >= 0; i--) {
+                    this.weights[i] = i;
+                }
+            }
+
+            let promise;
+
+            // Check if rich text editor is enabled.
+            if (this.edit) {
+                // Block the workshop.
+                this.syncProvider.blockOperation(AddonModWorkshopProvider.COMPONENT, this.workshop.id);
+
+                promise = this.domUtils.isRichTextEditorEnabled();
+            } else {
+                // We aren't editing, so no rich text editor.
+                promise = Promise.resolve(false);
+            }
+
+            promise.then((enabled) => {
+                this.rteEnabled = enabled;
+
+                return this.load();
+            }).then(() => {
+                this.obsInvalidated = this.eventsProvider.on(AddonModWorkshopProvider.ASSESSMENT_INVALIDATED,
+                        this.load.bind(this), this.sitesProvider.getCurrentSiteId());
+            }).finally(() => {
+                this.assessmentStrategyLoaded = true;
+            });
+        } else {
+            // Helper data and fallback.
+            this.notSupported = !this.strategyDelegate.isPluginSupported(this.strategy);
+            this.assessmentStrategyLoaded = true;
+        }
+    }
+
+    /**
+     * Convenience function to load the assessment data.
+     *
+     * @return {Promise<any>} Promised resvoled when data is loaded.
+     */
+    protected load(): Promise<any> {
+        return this.workshopHelper.getReviewerAssessmentById(this.workshop.id, this.assessmentId, this.userId)
+                .then((assessmentData) => {
+            this.data.assessment = assessmentData;
+
+            let promise;
+            if (this.edit) {
+                promise = this.workshopOffline.getAssessment(this.workshop.id, this.assessmentId).then((offlineAssessment) => {
+                    const offlineData = offlineAssessment.inputdata;
+
+                    this.hasOffline = true;
+
+                    assessmentData.feedbackauthor = offlineData.feedbackauthor;
+
+                    if (this.access.canallocate) {
+                        assessmentData.weight = offlineData.weight;
+                    }
+
+                    // Override assessment plugins values.
+                    assessmentData.form.current = this.workshopProvider.parseFields(
+                        this.utils.objectToArrayOfObjects(offlineData, 'name', 'value'));
+
+                    // Override offline files.
+                    if (offlineData) {
+                        return this.workshopHelper.getAssessmentFilesFromOfflineFilesObject(
+                                offlineData.feedbackauthorattachmentsid, this.workshop.id, this.assessmentId)
+                                .then((files) => {
+                            assessmentData.feedbackattachmentfiles = files;
+                        });
+                    }
+                }).catch(() => {
+                    this.hasOffline = false;
+                    // Ignore errors.
+                }).finally(() => {
+                    this.feedbackText = assessmentData.feedbackauthor;
+                    this.feedbackControl.setValue(this.feedbackText);
+
+                    this.originalData.text = this.data.assessment.feedbackauthor;
+
+                    if (this.access.canallocate) {
+                        this.originalData.weight = assessmentData.weight;
+                    }
+
+                    this.originalData.files = [];
+                    assessmentData.feedbackattachmentfiles.forEach((file) => {
+                        let filename;
+                        if (file.filename) {
+                            filename = file.filename;
+                        } else {
+                            // We don't have filename, extract it from the path.
+                            filename = file.filepath[0] == '/' ? file.filepath.substr(1) : file.filepath;
+                        }
+
+                        this.originalData.files.push({
+                            filename : filename,
+                            fileurl: file.fileurl
+                        });
+                    });
+                });
+            } else {
+                promise = Promise.resolve();
+            }
+
+            return promise.then(() => {
+                return this.strategyDelegate.getOriginalValues(this.strategy, assessmentData.form, this.workshop.id)
+                        .then((values) => {
+                    this.data.selectedValues = values;
+                }).finally(() => {
+                    this.originalData.selectedValues = this.utils.clone(this.data.selectedValues);
+                    if (this.edit) {
+                        this.fileSessionProvider.setFiles(AddonModWorkshopProvider.COMPONENT,
+                            this.workshop.id + '_' + this.assessmentId, assessmentData.feedbackattachmentfiles);
+                        if (this.access.canallocate) {
+                            this.weight = assessmentData.weight;
+                        }
+                    }
+                });
+            });
+        });
+    }
+
+    /**
+     * Check if data has changed.
+     *
+     * @return {boolean} True if data has changed.
+     */
+    hasDataChanged(): boolean {
+        if (!this.assessmentStrategyLoaded) {
+            return false;
+        }
+
+        // Compare feedback text.
+        const text = this.textUtils.restorePluginfileUrls(this.feedbackText, this.data.assessment.feedbackcontentfiles || []);
+        if (this.originalData.text != text) {
+            return true;
+        }
+
+        if (this.access.canallocate && this.originalData.weight != this.weight) {
+            return true;
+        }
+
+        // Compare feedback files.
+        const files = this.fileSessionProvider.getFiles(AddonModWorkshopProvider.COMPONENT,
+            this.workshop.id + '_' + this.assessmentId) || [];
+        if (this.uploaderProvider.areFileListDifferent(files, this.originalData.files)) {
+            return true;
+        }
+
+        return this.strategyDelegate.hasDataChanged(this.workshop, this.originalData.selectedValues, this.data.selectedValues);
+    }
+
+    /**
+     * Save the assessment.
+     *
+     * @return {Promise<any>} Promise resolved when done, rejected if assessment could not be saved.
+     */
+    saveAssessment(): Promise<any> {
+        const files = this.fileSessionProvider.getFiles(AddonModWorkshopProvider.COMPONENT,
+            this.workshop.id + '_' + this.assessmentId) || [];
+        let saveOffline = false;
+        let allowOffline = !files.length;
+
+        const modal = this.domUtils.showModalLoading('core.sending', true);
+
+        this.data.fieldErrors = {};
+
+        // Upload attachments first if any.
+        return this.workshopHelper.uploadOrStoreAssessmentFiles(this.workshop.id, this.assessmentId, files,
+                saveOffline).catch(() => {
+            // Cannot upload them in online, save them in offline.
+            saveOffline = true;
+            allowOffline = true;
+
+            return this.workshopHelper.uploadOrStoreAssessmentFiles(this.workshop.id, this.assessmentId, files, saveOffline);
+        }).then((attachmentsId) => {
+            const text = this.textUtils.restorePluginfileUrls(this.feedbackText, this.data.assessment.feedbackcontentfiles || []);
+
+            return this.workshopHelper.prepareAssessmentData(this.workshop, this.data.selectedValues, text, files,
+                    this.data.assessment.form, attachmentsId).catch((errors) => {
+                this.data.fieldErrors = errors;
+
+                return Promise.reject(this.translate.instant('core.errorinvalidform'));
+            });
+        }).then((assessmentData) => {
+            if (saveOffline) {
+                // Save assessment in offline.
+                return this.workshopOffline.saveAssessment(this.workshop.id, this.assessmentId, this.workshop.course,
+                        assessmentData).then(() => {
+                    // Don't return anything.
+                });
+            }
+
+            // Try to send it to server.
+            // Don't allow offline if there are attachments since they were uploaded fine.
+            return this.workshopProvider.updateAssessment(this.workshop.id, this.assessmentId, this.workshop.course,
+                assessmentData, false, allowOffline);
+        }).then((grade) => {
+            const promises = [];
+
+            // If sent to the server, invalidate and clean.
+            if (grade) {
+                promises.push(this.workshopHelper.deleteAssessmentStoredFiles(this.workshop.id, this.assessmentId));
+                promises.push(this.workshopProvider.invalidateAssessmentFormData(this.workshop.id, this.assessmentId));
+                promises.push(this.workshopProvider.invalidateAssessmentData(this.workshop.id, this.assessmentId));
+            }
+
+            return Promise.all(promises).catch(() => {
+                // Ignore errors.
+            }).finally(() => {
+                this.eventsProvider.trigger(AddonModWorkshopProvider.ASSESSMENT_SAVED, {
+                    workshopId: this.workshop.id,
+                    assessmentId: this.assessmentId,
+                    userId: this.sitesProvider.getCurrentSiteUserId(),
+                }, this.sitesProvider.getCurrentSiteId());
+
+                if (files) {
+                    // Delete the local files from the tmp folder.
+                    this.uploaderProvider.clearTmpFiles(files);
+                }
+            });
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'Error saving assessment.');
+
+            return Promise.reject(null);
+        }).finally(() => {
+            modal.dismiss();
+        });
+    }
+
+    /**
+     * Feedback text changed.
+     *
+     * @param {string} text The new text.
+     */
+    onFeedbackChange(text: string): void {
+        this.feedbackText = text;
+    }
+
+    /**
+     * Component destroyed.
+     */
+    ngOnDestroy(): void {
+        this.obsInvalidated && this.obsInvalidated.off();
+
+        if (this.data.assessment.feedbackattachmentfiles) {
+            // Delete the local files from the tmp folder.
+            this.uploaderProvider.clearTmpFiles(this.data.assessment.feedbackattachmentfiles);
+        }
+    }
+}

src/addon/mod/workshop/components/assessment/addon-mod-workshop-assessment.html

@@ -0,0 +1,27 @@
+<core-loading [hideUntil]="loaded">
+    <ion-item *ngIf="summary" text-wrap [attr.detail-push]="canViewAssessment && !canSelfAssess? true : null" (click)="gotoAssessment()">
+        <ion-avatar item-start>
+            <img [src]="profile && profile.profileimageurl" core-external-content [alt]="'core.pictureof' | translate:{$a: profile && profile.fullname}" core-user-link [courseId]="courseId" [userId]="profile && profile.id" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+        </ion-avatar>
+
+        <h2 *ngIf="profile && profile.fullname">{{profile.fullname}}</h2>
+        <p *ngIf="showGrade(assessment.grade)">
+            {{ 'addon.mod_workshop.submissiongradeof' | translate:{$a: workshop.grade } }}: {{assessment.grade}}
+        </p>
+        <p *ngIf="access.canviewallsubmissions && !showGrade(assessment.gradinggradeover) && showGrade(assessment.gradinggrade)">
+            {{ 'addon.mod_workshop.gradinggradeof' | translate:{$a: workshop.gradinggrade } }}: {{assessment.gradinggrade}}
+        </p>
+        <p *ngIf="access.canviewallsubmissions && showGrade(assessment.gradinggradeover)" class="core-overriden-grade">
+            {{ 'addon.mod_workshop.gradinggradeof' | translate:{$a: workshop.gradinggrade } }}: {{assessment.gradinggradeover}}
+        </p>
+        <p *ngIf="assessment.weight && assessment.weight != 1">
+            {{ 'addon.mod_workshop.weightinfo' | translate:{$a: assessment.weight } }}
+        </p>
+        <ion-badge *ngIf="!assessment.grade" color="danger">{{ 'addon.mod_workshop.notassessed' | translate }}</ion-badge>
+        <button ion-button block *ngIf="canSelfAssess && !showGrade(assessment.grade)" (click)="gotoOwnAssessment()">{{ 'addon.mod_workshop.assess' | translate }}</button>
+        <button ion-button block *ngIf="canSelfAssess && showGrade(assessment.grade)" (click)="gotoOwnAssessment()">{{ 'addon.mod_workshop.reassess' | translate }}</button>
+        <ion-note item-end *ngIf="offline">
+            <ion-icon name="time"></ion-icon>{{ 'core.notsent' | translate }}
+        </ion-note>
+    </ion-item>
+</core-loading>

src/addon/mod/workshop/components/assessment/assessment.scss

@@ -0,0 +1,35 @@
+addon-mod-workshop-assessment {
+    .item-md.item-block .item-inner {
+      border-bottom: 1px solid $list-md-border-color;
+    }
+
+    .item-ios.item-block .item-inner {
+      border-bottom: $hairlines-width solid $list-ios-border-color;
+    }
+
+    .item-wp.item-block .item-inner {
+      border-bottom: 1px solid $list-wp-border-color;
+    }
+
+    &:last-child .item .item-inner {
+      border-bottom: 0;
+    }
+}
+
+.card.with-borders addon-mod-workshop-assessment {
+    .item-md.item-block .item-inner {
+      border-bottom: 1px solid $list-md-border-color;
+    }
+
+    .item-ios.item-block .item-inner {
+      border-bottom: $hairlines-width solid $list-ios-border-color;
+    }
+
+    .item-wp.item-block .item-inner {
+      border-bottom: 1px solid $list-wp-border-color;
+    }
+
+    &:last-child .item .item-inner {
+      border-bottom: 0;
+    }
+}

src/addon/mod/workshop/components/assessment/assessment.ts

@@ -0,0 +1,149 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, Input, OnInit } from '@angular/core';
+import { NavController } from 'ionic-angular';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreUserProvider } from '@core/user/providers/user';
+import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+
+/**
+ * Component that displays workshop assessment.
+ */
+@Component({
+    selector: 'addon-mod-workshop-assessment',
+    templateUrl: 'addon-mod-workshop-assessment.html',
+})
+export class AddonModWorkshopAssessmentComponent implements OnInit {
+    @Input() assessment: any;
+    @Input() summary?: boolean;
+    @Input() courseId: number;
+    @Input() submission: any;
+    @Input() module?: any;
+    @Input() workshop: any;
+    @Input() access: any;
+
+    canViewAssessment = false;
+    canSelfAssess = false;
+    profile: any;
+    showGrade: any;
+    offline = false;
+    loaded = false;
+
+    protected currentUserId: number;
+    protected assessmentId: number;
+
+    constructor(private workshopOffline: AddonModWorkshopOfflineProvider, private workshopHelper: AddonModWorkshopHelperProvider,
+            private navCtrl: NavController, private userProvider: CoreUserProvider, private domUtils: CoreDomUtilsProvider,
+            sitesProvider: CoreSitesProvider) {
+        this.currentUserId = sitesProvider.getCurrentSiteUserId();
+        this.showGrade = this.workshopHelper.showGrade;
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        const canAssess = this.access && this.access.assessingallowed,
+            userId = this.assessment.userid || this.assessment.reviewerid,
+            promises = [];
+
+        this.assessmentId = this.assessment.assessmentid || this.assessment.id;
+        this.canViewAssessment = this.assessment.grade;
+        this.canSelfAssess = canAssess && userId == this.currentUserId;
+
+        if (userId) {
+            promises.push(this.userProvider.getProfile(userId, this.courseId, true).then((profile) => {
+                this.profile = profile;
+            }));
+        }
+
+        let assessOffline;
+        if (userId == this.currentUserId) {
+            assessOffline = this.workshopOffline.getAssessment(this.workshop.id, this.assessmentId) .then((offlineAssess) => {
+                this.offline = true;
+                this.assessment.weight = offlineAssess.inputdata.weight;
+            });
+        } else {
+            assessOffline = this.workshopOffline.getEvaluateAssessment(this.workshop.id, this.assessmentId)
+                    .then((offlineAssess) => {
+                this.offline = true;
+                this.assessment.gradinggradeover = offlineAssess.gradinggradeover;
+                this.assessment.weight = offlineAssess.weight;
+            });
+        }
+
+        promises.push(assessOffline.catch(() => {
+            this.offline = false;
+            // Ignore errors.
+        }));
+
+        Promise.all(promises).finally(() => {
+            this.loaded = true;
+        });
+    }
+
+    /**
+     * Navigate to the assessment.
+     */
+    gotoAssessment(): void {
+        if (!this.canSelfAssess && this.canViewAssessment) {
+            const params = {
+                assessment: this.assessment,
+                submission: this.submission,
+                profile: this.profile,
+                courseId: this.courseId,
+                assessmentId: this.assessmentId
+            };
+
+            if (!this.submission) {
+                const modal = this.domUtils.showModalLoading('core.sending', true);
+
+                this.workshopHelper.getSubmissionById(this.workshop.id, this.assessment.submissionid)
+                        .then((submissionData) => {
+
+                    params.submission = submissionData;
+                    this.navCtrl.push('AddonModWorkshopAssessmentPage', params);
+                }).catch((message) => {
+                    this.domUtils.showErrorModalDefault(message, 'Cannot load submission');
+                }).finally(() => {
+                    modal.dismiss();
+                });
+            } else {
+                this.navCtrl.push('AddonModWorkshopAssessmentPage', params);
+            }
+        }
+    }
+
+    /**
+     * Navigate to my own assessment.
+     */
+    gotoOwnAssessment(): void {
+        if (this.canSelfAssess) {
+            const params = {
+                module: this.module,
+                workshop: this.workshop,
+                access: this.access,
+                courseId: this.courseId,
+                profile: this.profile,
+                submission: this.submission,
+                assessment: this.assessment
+            };
+
+            this.navCtrl.push('AddonModWorkshopSubmissionPage', params);
+        }
+    }
+}

src/addon/mod/workshop/components/components.module.ts

@@ -0,0 +1,56 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { IonicModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { CorePipesModule } from '@pipes/pipes.module';
+import { CoreCourseComponentsModule } from '@core/course/components/components.module';
+import { AddonModWorkshopIndexComponent } from './index/index';
+import { AddonModWorkshopSubmissionComponent } from './submission/submission';
+import { AddonModWorkshopAssessmentComponent } from './assessment/assessment';
+import { AddonModWorkshopAssessmentStrategyComponent } from './assessment-strategy/assessment-strategy';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopIndexComponent,
+        AddonModWorkshopSubmissionComponent,
+        AddonModWorkshopAssessmentComponent,
+        AddonModWorkshopAssessmentStrategyComponent
+    ],
+    imports: [
+        CommonModule,
+        IonicModule,
+        TranslateModule.forChild(),
+        CoreComponentsModule,
+        CoreDirectivesModule,
+        CorePipesModule,
+        CoreCourseComponentsModule
+    ],
+    providers: [
+    ],
+    exports: [
+        AddonModWorkshopIndexComponent,
+        AddonModWorkshopSubmissionComponent,
+        AddonModWorkshopAssessmentComponent,
+        AddonModWorkshopAssessmentStrategyComponent
+    ],
+    entryComponents: [
+        AddonModWorkshopIndexComponent
+    ]
+})
+export class AddonModWorkshopComponentsModule {}

src/addon/mod/workshop/components/index/addon-mod-workshop-index.html

@@ -0,0 +1,184 @@
+<!-- Buttons to add to the header. -->
+<core-navbar-buttons end>
+    <core-context-menu>
+        <core-context-menu-item *ngIf="externalUrl" [priority]="900" [content]="'core.openinbrowser' | translate" [href]="externalUrl" [iconAction]="'open'"></core-context-menu-item>
+        <core-context-menu-item *ngIf="description" [priority]="800" [content]="'core.moduleintro' | translate" (action)="expandDescription()" [iconAction]="'arrow-forward'"></core-context-menu-item>
+        <core-context-menu-item *ngIf="loaded && !hasOffline && isOnline" [priority]="700" [content]="'core.refresh' | translate" (action)="doRefresh(null, $event)" [iconAction]="refreshIcon" [closeOnClick]="false"></core-context-menu-item>
+        <core-context-menu-item *ngIf="loaded && hasOffline && isOnline"  [priority]="600" [content]="'core.settings.synchronizenow' | translate" (action)="doRefresh(null, $event, true)" [iconAction]="syncIcon" [closeOnClick]="false"></core-context-menu-item>
+        <core-context-menu-item *ngIf="prefetchStatusIcon" [priority]="500" [content]="prefetchText" (action)="prefetch()" [iconAction]="prefetchStatusIcon" [closeOnClick]="false"></core-context-menu-item>
+        <core-context-menu-item *ngIf="size" [priority]="400" [content]="size" [iconDescription]="'cube'" (action)="removeFiles()" [iconAction]="'trash'"></core-context-menu-item>
+    </core-context-menu>
+</core-navbar-buttons>
+
+<!-- Content. -->
+<core-loading [hideUntil]="loaded" class="core-loading-center">
+    <core-course-module-description *ngIf="description && selectedPhase == workshopPhases.PHASE_SETUP" [description]="description" [component]="component" [componentId]="componentId"></core-course-module-description>
+
+    <ion-card class="with-borders" *ngIf="phases">
+        <ion-item (click)="selectPhase()">
+            <h2 stacked text-wrap>{{ phases[selectedPhase].title }}</h2>
+            <p text-wrap *ngIf="phases[selectedPhase].code == workshop.phase">{{ 'addon.mod_workshop.userplancurrentphase' | translate }}</p>
+            <ion-icon item-end name="arrow-dropdown"></ion-icon>
+        </ion-item>
+        <a ion-item text-wrap *ngIf="phases[selectedPhase].switchUrl" [href]="phases[selectedPhase].switchUrl" detail-none>
+            <ion-icon item-start name="swap"></ion-icon>
+            {{ 'addon.mod_workshop.switchphase' + selectedPhase | translate }}
+            <ion-icon item-end name="open"></ion-icon>
+        </a>
+    </ion-card>
+
+    <ion-card class="with-borders" *ngIf="phases && phases[selectedPhase] && phases[selectedPhase].tasks && phases[selectedPhase].tasks.length">
+        <ion-item text-wrap *ngFor="let task of phases[selectedPhase].tasks" [class.item-dimmed]="selectedPhase != workshop.phase" (click)="runTask(task)" detail-none>
+            <ion-icon item-start name="radio-button-off" *ngIf="task.completed == null"></ion-icon>
+            <ion-icon item-start name="close-circle" color="danger" *ngIf="task.completed == ''"></ion-icon>
+            <ion-icon item-start name="information-circle" color="info" *ngIf="task.completed == 'info'"></ion-icon>
+            <ion-icon item-start name="checkmark-circle" color="success" *ngIf="task.completed == '1'"></ion-icon>
+
+            <h2>{{task.title}}</h2>
+            <p *ngIf="task.details"><core-format-text [text]="task.details"></core-format-text></p>
+            <ion-icon item-end *ngIf="task.link && !task.support" name="open"></ion-icon>
+        </ion-item>
+    </ion-card>
+
+    <!-- Has something offline. -->
+    <div class="core-warning-card" icon-start *ngIf="hasOffline">
+        <ion-icon name="warning"></ion-icon>
+        {{ 'core.hasdatatosync' | translate: {$a: moduleName} }}
+    </div>
+
+    <div *ngIf="access && workshop && workshop.phase >= selectedPhase">
+        <!-- SUBMISSION PHASE -->
+        <ng-container *ngIf="selectedPhase == workshopPhases.PHASE_SUBMISSION">
+            <ion-card *ngIf="workshop.instructauthors">
+                <ion-item text-wrap>
+                    <h2>{{ 'addon.mod_workshop.areainstructauthors' | translate }}</h2>
+                    <core-format-text fullOnClick="true" [component]="component" [componentId]="workshop.cmid" [text]="workshop.instructauthors"></core-format-text>
+                </ion-item>
+            </ion-card>
+
+            <ion-card class="with-borders" *ngIf="canSubmit">
+                <ion-item text-wrap *ngIf="!submission">
+                    <h2>{{ 'addon.mod_workshop.yoursubmission' | translate }}</h2>
+                    <p>{{ 'addon.mod_workshop.noyoursubmission' | translate }}</p>
+                </ion-item>
+
+                <ng-container *ngIf="submission">
+                    <addon-mod-workshop-submission [submission]="submission" [courseId]="workshop.course" [module]="module" [workshop]="workshop" [access]="access"></addon-mod-workshop-submission>
+                </ng-container>
+            </ion-card>
+
+            <!-- Show only on current phase -->
+            <ng-container *ngIf="workshop.phase == selectedPhase">
+                <ion-item text-wrap *ngIf="canSubmit && ((access.creatingsubmissionallowed && !submission) || (access.modifyingsubmissionallowed && submission))">
+                    <button ion-button icon-start block *ngIf="access.creatingsubmissionallowed && !submission" (click)="runTaskByCode('submit')">
+                        <ion-icon name="add"></ion-icon>
+                        {{ 'addon.mod_workshop.createsubmission' | translate }}
+                    </button>
+                    <button ion-button icon-start block *ngIf="access.modifyingsubmissionallowed && submission" (click)="runTaskByCode('submit')">
+                        <ion-icon name="create"></ion-icon>
+                        {{ 'addon.mod_workshop.editsubmission' | translate }}
+                    </button>
+                </ion-item>
+            </ng-container>
+        </ng-container>
+
+        <!-- ASSESSMENT PHASE -->
+        <ng-container *ngIf="selectedPhase == workshopPhases.PHASE_ASSESSMENT">
+            <ion-card *ngIf="workshop.instructreviewers">
+                <ion-item text-wrap>
+                    <h2>{{ 'addon.mod_workshop.areainstructreviewers' | translate }}</h2>
+                    <core-format-text fullOnClick="true" [component]="component" [componentId]="workshop.cmid" [text]="workshop.instructreviewers"></core-format-text>
+                </ion-item>
+            </ion-card>
+
+            <ion-card class="with-borders" *ngIf="canAssess && assessments && assessments.length">
+                <ion-item text-wrap>
+                    <h2>{{ 'addon.mod_workshop.assignedassessments' | translate }}</h2>
+                </ion-item>
+                <ng-container *ngFor="let assessment of assessments">
+                    <addon-mod-workshop-submission [submission]="assessment.submission" [assessment]="assessment" [courseId]="workshop.course" [module]="module" [workshop]="workshop" [access]="access" summary="true"></addon-mod-workshop-submission>
+                </ng-container>
+            </ion-card >
+        </ng-container>
+
+        <ion-card class="with-borders" *ngIf="!access.canviewallsubmissions && selectedPhase == workshop.phase && (canSubmit || canAssess) && selectedPhase == workshopPhases.PHASE_EVALUATION">
+            <ion-item text-wrap *ngIf="submission" (click)="switchPhase(workshopPhases.PHASE_SUBMISSION)" detail-push>
+                <h2>{{ 'addon.mod_workshop.yoursubmission' | translate }}</h2>
+            </ion-item>
+            <ion-item text-wrap *ngIf="canAssess" (click)="switchPhase(workshopPhases.PHASE_ASSESSMENT)" detail-push>
+                <h2>{{ 'addon.mod_workshop.assignedassessments' | translate }}</h2>
+            </ion-item>
+        </ion-card>
+
+        <!-- CLOSED PHASE -->
+        <ng-container *ngIf="selectedPhase == workshopPhases.PHASE_CLOSED">
+            <ion-card *ngIf="workshop.conclusion">
+                <ion-item text-wrap>
+                    <h2>{{ 'addon.mod_workshop.conclusion' | translate }}</h2>
+                    <core-format-text fullOnClick="true" [component]="component" [componentId]="workshop.cmid" [text]="workshop.conclusion"></core-format-text>
+                </ion-item>
+            </ion-card>
+
+            <ion-card class="with-borders" *ngIf="userGrades">
+                <ion-item-divider color="light" text-wrap>
+                    <h2>{{ 'addon.mod_workshop.yourgrades' | translate }}</h2>
+                </ion-item-divider>
+                <ion-item text-wrap *ngIf="userGrades.submissionlongstrgrade" (click)="switchPhase(workshopPhases.PHASE_SUBMISSION)" detail-push>
+                    <h2>{{ 'addon.mod_workshop.submissiongrade' | translate }}</h2>
+                    <core-format-text [text]="userGrades.submissionlongstrgrade"></core-format-text>
+                </ion-item>
+                <ion-item text-wrap *ngIf="userGrades.assessmentlongstrgrade" (click)="switchPhase(workshopPhases.PHASE_ASSESSMENT)" detail-push>
+                    <h2>{{ 'addon.mod_workshop.gradinggrade' | translate }}</h2>
+                    <core-format-text [text]="userGrades.assessmentlongstrgrade"></core-format-text>
+                </ion-item>
+            </ion-card>
+
+            <ion-card class="with-borders" *ngIf="publishedSubmissions && publishedSubmissions.length">
+                <ion-item text-wrap>
+                    <h2>{{ 'addon.mod_workshop.publishedsubmissions' | translate }}</h2>
+                </ion-item>
+                <ng-container *ngFor="let submission of publishedSubmissions">
+                    <addon-mod-workshop-submission [submission]="submission" [courseId]="workshop.course" [module]="module" [workshop]="workshop" [access]="access" summary="true"></addon-mod-workshop-submission>
+                </ng-container>
+            </ion-card>
+        </ng-container>
+
+        <!-- MULTIPLE PHASES SUBMISSION OR GREATER only teachers -->
+        <ion-card class="with-borders" *ngIf="workshop.phase == selectedPhase && access.canviewallsubmissions && selectedPhase >= workshopPhases.PHASE_SUBMISSION && grades && grades.length">
+            <ion-item text-wrap *ngIf="selectedPhase == workshopPhases.PHASE_SUBMISSION">
+                <h2>{{ 'addon.mod_workshop.submissionsreport' | translate }}</h2>
+            </ion-item>
+            <ion-item text-wrap *ngIf="selectedPhase > workshopPhases.PHASE_SUBMISSION">
+                <h2>{{ 'addon.mod_workshop.gradesreport' | translate }}</h2>
+            </ion-item>
+            <ion-item text-wrap *ngIf="groupInfo && (groupInfo.separateGroups || groupInfo.visibleGroups)">
+                <ion-label id="addon-workshop-groupslabel" *ngIf="groupInfo.separateGroups">{{ 'core.groupsseparate' | translate }}</ion-label>
+                <ion-label id="addon-workshop-groupslabel" *ngIf="groupInfo.visibleGroups">{{ 'core.groupsvisible' | translate }}</ion-label>
+                <ion-select [(ngModel)]="selectedGroup" (ionChange)="setGroup(selectedGroup)" aria-labelledby="addon-workshop-groupslabel">
+                    <ion-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">{{groupOpt.name}}</ion-option>
+                </ion-select>
+            </ion-item>
+
+            <ng-container *ngFor="let submission of grades">
+                <addon-mod-workshop-submission [submission]="submission" [courseId]="workshop.course" [module]="module" [workshop]="workshop" [access]="access" summary="true"></addon-mod-workshop-submission>
+            </ng-container>
+
+            <ion-grid *ngIf="page > 0 || hasNextPage">
+                <ion-row align-items-center>
+                    <ion-col *ngIf="page > 0">
+                        <button ion-button block outline icon-start (click)="gotoSubmissionsPage(page - 1)">>
+                            <ion-icon name="arrow-back"></ion-icon>
+                            {{ 'core.previous' | translate }}
+                        </button>
+                    </ion-col>
+                    <ion-col *ngIf="hasNextPage">
+                        <button ion-button block icon-end (click)="gotoSubmissionsPage(page + 1)">
+                            {{ 'core.next' | translate }}
+                            <ion-icon name="arrow-forward"></ion-icon>
+                        </button>
+                    </ion-col>
+                </ion-row>
+            </ion-grid>
+        </ion-card>
+    </div>
+</core-loading>

src/addon/mod/workshop/components/index/index.ts

@@ -0,0 +1,483 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, Input, Optional, Injector } from '@angular/core';
+import { Content, ModalController, NavController, Platform } from 'ionic-angular';
+import { CoreGroupInfo, CoreGroupsProvider } from '@providers/groups';
+import { CoreUtilsProvider } from '@providers/utils/utils';
+import { CoreCourseModuleMainActivityComponent } from '@core/course/classes/main-activity-component';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopSyncProvider } from '../../providers/sync';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+
+/**
+ * Component that displays a workshop index page.
+ */
+@Component({
+    selector: 'addon-mod-workshop-index',
+    templateUrl: 'addon-mod-workshop-index.html',
+})
+export class AddonModWorkshopIndexComponent extends CoreCourseModuleMainActivityComponent {
+    @Input() group = 0;
+
+    moduleName = 'workshop';
+    workshop: any;
+    page = 0;
+    access: any;
+    phases: any;
+    grades: any;
+    assessments: any;
+    userGrades: any;
+    publishedSubmissions: any;
+    selectedPhase: number;
+    submission: any;
+    groupInfo: CoreGroupInfo = {
+        groups: [],
+        separateGroups: false,
+        visibleGroups: false
+    };
+    canSubmit = false;
+    canAssess = false;
+    hasNextPage = false;
+
+    workshopPhases = {
+        PHASE_SETUP: AddonModWorkshopProvider.PHASE_SETUP,
+        PHASE_SUBMISSION: AddonModWorkshopProvider.PHASE_SUBMISSION,
+        PHASE_ASSESSMENT: AddonModWorkshopProvider.PHASE_ASSESSMENT,
+        PHASE_EVALUATION: AddonModWorkshopProvider.PHASE_EVALUATION,
+        PHASE_CLOSED: AddonModWorkshopProvider.PHASE_CLOSED
+    };
+
+    protected offlineSubmissions = [];
+    protected supportedTasks = { // Add here native supported tasks.
+        submit: true
+    };
+    protected obsSubmissionChanged: any;
+    protected obsAssessmentSaved: any;
+    protected appResumeSubscription: any;
+    protected syncObserver: any;
+
+    constructor(injector: Injector, private workshopProvider: AddonModWorkshopProvider, @Optional() content: Content,
+            private workshopOffline: AddonModWorkshopOfflineProvider, private groupsProvider: CoreGroupsProvider,
+            private navCtrl: NavController, private modalCtrl: ModalController, private utils: CoreUtilsProvider,
+            platform: Platform, private workshopHelper: AddonModWorkshopHelperProvider,
+            private workshopSync: AddonModWorkshopSyncProvider) {
+        super(injector, content);
+
+        // Listen to submission and assessment changes.
+        this.obsSubmissionChanged = this.eventsProvider.on(AddonModWorkshopProvider.SUBMISSION_CHANGED, (data) => {
+            this.eventReceived(data);
+        }, this.siteId);
+
+        // Listen to submission and assessment changes.
+        this.obsAssessmentSaved = this.eventsProvider.on(AddonModWorkshopProvider.ASSESSMENT_SAVED, (data) => {
+            this.eventReceived(data);
+        }, this.siteId);
+
+        // Since most actions will take the user out of the app, we should refresh the view when the app is resumed.
+        this.appResumeSubscription = platform.resume.subscribe(() => {
+            this.showLoadingAndRefresh(true);
+        });
+
+        // Refresh workshop on sync.
+        this.syncObserver = this.eventsProvider.on(AddonModWorkshopSyncProvider.AUTO_SYNCED, (data) => {
+            // Update just when all database is synced.
+            this.eventReceived(data);
+        }, this.siteId);
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        super.ngOnInit();
+
+        this.loadContent(false, true).then(() => {
+            if (!this.workshop) {
+                return;
+            }
+
+            this.workshopProvider.logView(this.workshop.id).then(() => {
+                this.courseProvider.checkModuleCompletion(this.courseId, this.module.completionstatus);
+            }).catch((error) => {
+                // Ignore errors.
+            });
+        });
+    }
+
+    /**
+     * Function called when we receive an event of submission changes.
+     *
+     * @param {any} data Data received by the event.
+     */
+    protected eventReceived(data: any): void {
+        if ((this.workshop && this.workshop.id === data.workshopId) || data.cmId === this.module.id) {
+            this.showLoadingAndRefresh(true);
+
+            // Check completion since it could be configured to complete once the user adds a new discussion or replies.
+            this.courseProvider.checkModuleCompletion(this.courseId, this.module.completionstatus);
+        }
+    }
+
+    /**
+     * Perform the invalidate content function.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected invalidateContent(): Promise<any> {
+        const promises = [];
+
+        promises.push(this.workshopProvider.invalidateWorkshopData(this.courseId));
+        if (this.workshop) {
+            promises.push(this.workshopProvider.invalidateWorkshopAccessInformationData(this.workshop.id));
+            promises.push(this.workshopProvider.invalidateUserPlanPhasesData(this.workshop.id));
+            if (this.canSubmit) {
+                promises.push(this.workshopProvider.invalidateSubmissionsData(this.workshop.id));
+            }
+            if (this.access.canviewallsubmissions) {
+                promises.push(this.workshopProvider.invalidateGradeReportData(this.workshop.id));
+                promises.push(this.groupsProvider.invalidateActivityAllowedGroups(this.workshop.coursemodule));
+                promises.push(this.groupsProvider.invalidateActivityGroupMode(this.workshop.coursemodule));
+            }
+            if (this.canAssess) {
+                promises.push(this.workshopProvider.invalidateReviewerAssesmentsData(this.workshop.id));
+            }
+            promises.push(this.workshopProvider.invalidateGradesData(this.workshop.id));
+        }
+
+        return Promise.all(promises);
+    }
+
+    /**
+     * Compares sync event data with current data to check if refresh content is needed.
+     *
+     * @param {any} syncEventData Data receiven on sync observer.
+     * @return {boolean}          True if refresh is needed, false otherwise.
+     */
+    protected isRefreshSyncNeeded(syncEventData: any): boolean {
+        if (this.workshop && syncEventData.workshopId == this.workshop.id) {
+            // Refresh the data.
+            this.content.scrollToTop();
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Download feedback contents.
+     *
+     * @param  {boolean}      [refresh=false]    If it's refreshing content.
+     * @param  {boolean}      [sync=false]       If the refresh is needs syncing.
+     * @param  {boolean}      [showErrors=false] If show errors to the user of hide them.
+     * @return {Promise<any>} Promise resolved when done.
+     */
+    protected fetchContent(refresh: boolean = false, sync: boolean = false, showErrors: boolean = false): Promise<any> {
+        return this.workshopProvider.getWorkshop(this.courseId, this.module.id).then((workshop) => {
+            this.workshop = workshop;
+
+            this.selectedPhase = workshop.phase;
+
+            this.description = workshop.intro || workshop.description;
+            this.dataRetrieved.emit(workshop);
+
+            if (sync) {
+                // Try to synchronize the feedback.
+                return this.syncActivity(showErrors);
+            }
+        }).then(() => {
+            // Check if there are answers stored in offline.
+            return this.workshopProvider.getWorkshopAccessInformation(this.workshop.id);
+        }).then((accessData) => {
+            this.access = accessData;
+
+            if (accessData.canviewallsubmissions) {
+                return this.groupsProvider.getActivityGroupInfo(this.workshop.coursemodule,
+                        accessData.canviewallsubmissions).then((groupInfo) => {
+                    this.groupInfo = groupInfo;
+
+                    // Check selected group is accessible.
+                    if (groupInfo && groupInfo.groups && groupInfo.groups.length > 0) {
+                        const found = groupInfo.groups.some((group) => {
+                            return group.id == this.group;
+                        });
+                        if (!found) {
+                            this.group = groupInfo.groups[0].id;
+                        }
+                    }
+                });
+            }
+        }).then(() => {
+            return this.workshopProvider.getUserPlanPhases(this.workshop.id);
+        }).then((phases) => {
+            this.phases = phases;
+
+            // Treat phases.
+            for (const x in phases) {
+                phases[x].tasks.forEach((task) => {
+                    if (!task.link && (task.code == 'examples' || task.code == 'prepareexamples')) {
+                        // Add links to manage examples.
+                        task.link = this.externalUrl;
+                    } else if (task.link && typeof this.supportedTasks[task.code] !== 'undefined') {
+                        task.support = true;
+                    }
+                });
+                const action = phases[x].actions.find((action) => {
+                    return action.url && action.type == 'switchphase';
+                });
+                phases[x].switchUrl = action ? action.url : '';
+            }
+
+            // Check if there are info stored in offline.
+            return this.workshopOffline.hasWorkshopOfflineData(this.workshop.id).then((hasOffline) => {
+                this.hasOffline = hasOffline;
+                if (hasOffline) {
+                    return this.workshopOffline.getSubmissions(this.workshop.id).then((submissionsActions) => {
+                        this.offlineSubmissions = submissionsActions;
+                    });
+                } else {
+                    this.offlineSubmissions = [];
+                }
+            });
+        }).then(() => {
+            return this.setPhaseInfo();
+        }).then(() => {
+            // All data obtained, now fill the context menu.
+            this.fillContextMenu(refresh);
+        });
+    }
+
+    /**
+     * Retrieves and shows submissions grade page.
+     *
+     * @param  {number}       page Page number to be retrieved.
+     * @return {Promise<any>}      Resolved when done.
+     */
+    gotoSubmissionsPage(page: number): Promise<any> {
+        return this.workshopProvider.getGradesReport(this.workshop.id, this.group, page).then((report) => {
+            const numEntries = (report && report.grades && report.grades.length) || 0;
+
+            this.page = page;
+
+            this.hasNextPage = numEntries >= AddonModWorkshopProvider.PER_PAGE && ((this.page  + 1) *
+                AddonModWorkshopProvider.PER_PAGE) < report.totalcount;
+
+            this.grades =  report.grades || [];
+
+            this.grades.forEach((submission) => {
+                const actions = this.workshopHelper.filterSubmissionActions(this.offlineSubmissions, submission.submissionid
+                    || false);
+                submission = this.workshopHelper.applyOfflineData(submission, actions);
+
+                return this.workshopHelper.applyOfflineData(submission, actions).then((offlineSubmission) => {
+                    submission = offlineSubmission;
+                });
+            });
+        });
+    }
+
+    /**
+     * Open task.
+     *
+     * @param {any} task Task to be done.
+     */
+    runTask(task: any): void {
+        if (task.support) {
+            if (task.code == 'submit' && this.canSubmit && ((this.access.creatingsubmissionallowed && !this.submission) ||
+                    (this.access.modifyingsubmissionallowed && this.submission))) {
+                const params = {
+                    module: this.module,
+                    access: this.access,
+                    courseId: this.courseId,
+                    submissionId: this.submission && this.submission.id
+                };
+
+                this.navCtrl.push('AddonModWorkshopEditSubmissionPage', params);
+            }
+        } else if (task.link) {
+            this.utils.openInBrowser(task.link);
+        }
+    }
+
+    /**
+     * Run task link on current phase.
+     *
+     * @param {string} taskCode Code related to the task to run.
+     */
+    runTaskByCode(taskCode: string): void {
+        const task = this.workshopHelper.getTask(this.phases[this.workshop.phase].tasks, taskCode);
+
+        return task ? this.runTask(task) : null;
+    }
+
+    /**
+     * Select Phase to be shown.
+     */
+    selectPhase(): void {
+        if (this.phases) {
+            const modal = this.modalCtrl.create('AddonModWorkshopPhaseSelectorPage', {
+                    phases: this.utils.objectToArray(this.phases),
+                    selected: this.selectedPhase,
+                    workshopPhase: this.workshop.phase
+                });
+            modal.onDidDismiss((phase) => {
+                // Add data to search object.
+                typeof phase != 'undefined' && this.switchPhase(phase);
+            });
+            modal.present();
+        }
+    }
+
+    /**
+     * Set group to see the workshop.
+     * @param {number} groupId Group Id.
+     * @return {Promise<any>}  Promise resolved when done.
+     */
+    setGroup(groupId: number): Promise<any> {
+        this.group = groupId;
+
+        return this.gotoSubmissionsPage(0);
+    }
+
+    /**
+     * Convenience function to set current phase information.
+     *
+     * @return {Promise<any>} Promise resolved when done.
+     */
+    protected setPhaseInfo(): Promise<any> {
+        this.submission = false;
+        this.canAssess = false;
+        this.assessments = false;
+        this.userGrades = false;
+        this.publishedSubmissions = false;
+
+        this.canSubmit = this.workshopHelper.canSubmit(this.workshop, this.access,
+            this.phases[AddonModWorkshopProvider.PHASE_SUBMISSION].tasks);
+
+        const promises = [];
+
+        if (this.canSubmit) {
+            promises.push(this.workshopHelper.getUserSubmission(this.workshop.id).then((submission) => {
+                const actions = this.workshopHelper.filterSubmissionActions(this.offlineSubmissions, submission.id || false);
+
+                return this.workshopHelper.applyOfflineData(submission, actions).then((submission) => {
+                    this.submission = submission;
+                });
+            }));
+        }
+
+        if (this.access.canviewallsubmissions && this.workshop.phase >= AddonModWorkshopProvider.PHASE_SUBMISSION) {
+            promises.push(this.gotoSubmissionsPage(this.page));
+        }
+
+        let assessPromise = Promise.resolve();
+
+        if (this.workshop.phase >= AddonModWorkshopProvider.PHASE_ASSESSMENT) {
+            this.canAssess = this.workshopHelper.canAssess(this.workshop, this.access);
+            if (this.canAssess) {
+                assessPromise = this.workshopHelper.getReviewerAssessments(this.workshop.id).then((assessments) => {
+                    const p2 = [];
+
+                    assessments.forEach((assessment) => {
+                        assessment.strategy = this.workshop.strategy;
+                        if (this.hasOffline) {
+                            p2.push(this.workshopOffline.getAssessment(this.workshop.id, assessment.id)
+                                .then((offlineAssessment) => {
+                                    assessment.offline = true;
+                                    assessment.timemodified = Math.floor(offlineAssessment.timemodified / 1000);
+                            }).catch(() => {
+                                // Ignore errors.
+                            }));
+                        }
+                    });
+
+                    return Promise.all(p2).then(() => {
+                        this.assessments = assessments;
+                    });
+                });
+                promises.push(assessPromise);
+            }
+        }
+
+        if (this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED) {
+            promises.push(this.workshopProvider.getGrades(this.workshop.id).then((grades) => {
+                this.userGrades = grades.submissionlongstrgrade || grades.assessmentlongstrgrade ? grades : false;
+            }));
+
+            if (this.access.canviewpublishedsubmissions) {
+                promises.push(assessPromise.then(() => {
+                    return this.workshopProvider.getSubmissions(this.workshop.id).then((submissions) => {
+                        this.publishedSubmissions = submissions.filter((submission) => {
+                            if (submission.published) {
+                                this.assessments.forEach((assessment) => {
+                                    submission.reviewedby = [];
+                                    if (assessment.submissionid == submission.id) {
+                                        submission.reviewedby.push(this.workshopHelper.realGradeValue(this.workshop, assessment));
+                                    }
+                                });
+
+                                return true;
+                            }
+
+                            return false;
+                        });
+                    });
+                }));
+            }
+        }
+
+        return Promise.all(promises);
+    }
+
+    /**
+     * Switch shown phase.
+     *
+     * @param {number} phase Selected phase.
+     */
+    switchPhase(phase: number): void {
+        this.selectedPhase = phase;
+        this.page = 0;
+    }
+
+    /**
+     * Performs the sync of the activity.
+     *
+     * @return {Promise<any>} Promise resolved when done.
+     */
+    protected sync(): Promise<any> {
+        return this.workshopSync.syncWorkshop(this.workshop.id);
+    }
+
+    /**
+     * Checks if sync has succeed from result sync data.
+     *
+     * @param  {any}     result Data returned on the sync function.
+     * @return {boolean}        If suceed or not.
+     */
+    protected hasSyncSucceed(result: any): boolean {
+        return result.updated;
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        super.ngOnDestroy();
+        this.obsSubmissionChanged && this.obsSubmissionChanged.off();
+        this.obsAssessmentSaved && this.obsAssessmentSaved.off();
+        this.appResumeSubscription && this.appResumeSubscription.unsubscribe();
+    }
+}

src/addon/mod/workshop/components/submission/addon-mod-workshop-submission.html

@@ -0,0 +1,82 @@
+<core-loading [hideUntil]="loaded">
+    <div *ngIf="!summary">
+        <ion-list-header text-wrap>
+            <ion-avatar item-start>
+                <img [src]="profile && profile.profileimageurl" core-external-content [alt]="'core.pictureof' | translate:{$a: profile && profile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+            </ion-avatar>
+            <h2>{{submission.title}}</h2>
+            <p *ngIf="profile && profile.fullname">{{profile.fullname}}</p>
+            <p *ngIf="showGrade(submission.submissiongrade)" [class.addon-has-overriden-grade]="showGrade(submission.submissiongradeover)">
+                {{ 'addon.mod_workshop.submissiongradeof' | translate:{$a: workshop.grade } }}: {{submission.submissiongrade}}
+            </p>
+            <p *ngIf="showGrade(submission.submissiongradeover)" class="addon-overriden-grade">
+                {{ 'addon.mod_workshop.gradeover' | translate }}: {{submission.submissiongradeover}}
+            </p>
+            <p *ngIf="access.canviewallsubmissions && showGrade(submission.gradinggrade)">
+                {{ 'addon.mod_workshop.gradinggradeof' | translate:{$a: workshop.gradinggrade } }}: {{submission.gradinggrade}}
+            </p>
+            <ion-note item-end *ngIf="!submission.timemodified">
+                <ion-icon name="time"></ion-icon> {{ 'core.notsent' | translate }}
+            </ion-note>
+            <ion-note item-end *ngIf="submission.timemodified">
+                {{submission.timemodified | coreDateDayOrTime}}
+                <ng-container *ngIf="submission.offline"><ion-icon name="time"></ion-icon> {{ 'core.notsent' | translate }}</ng-container>
+                <ng-container *ngIf="submission.deleted"><ion-icon name="trash"></ion-icon> {{ 'core.deletedoffline' | translate }}</ng-container>
+            </ion-note>
+        </ion-list-header>
+        <ion-item text-wrap *ngIf="submission.content">
+            <core-format-text [component]="component" [componentId]="componentId" [text]="submission.content"></core-format-text>
+        </ion-item>
+        <ion-item *ngFor="let attachment of submission.attachmentfiles">
+            <!-- Files already attached to the submission. -->
+            <core-file *ngIf="!attachment.name" [file]="attachment" [component]="component" [componentId]="componentId"></core-file>
+            <!-- Files stored in offline to be sent later. -->
+            <core-local-file *ngIf="attachment.name" [file]="attachment"></core-local-file>
+        </ion-item>
+        <ion-item text-wrap *ngIf="viewDetails && submission.feedbackauthor">
+            <img [src]="evaluateByProfile && evaluateByProfile.profileimageurl" core-external-content core-user-link [courseId]="courseId" [userId]="evaluateByProfile && evaluateByProfile.id" [alt]="'core.pictureof' | translate:{$a: evaluateByProfile && evaluateByProfile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'"/>
+
+            <h2 *ngIf="evaluateByProfile && evaluateByProfile.fullname">{{ 'addon.mod_workshop.feedbackby' | translate : {$a: evaluateByProfile.fullname} }}</h2>
+            <core-format-text [text]="submission.feedbackauthor"></core-format-text>
+        </ion-item>
+        <ion-item *ngIf="viewDetails">
+            <button ion-button block (click)="gotoSubmission()">
+                {{ 'core.showmore' | translate }}
+                <ion-icon name="arrow-forward" item-end></ion-icon>
+            </button>
+        </ion-item>
+    </div>
+
+    <ion-item text-wrap *ngIf="summary" [attr.detail-push]="submission.timemodified? true : null" (click)="gotoSubmission()">
+        <ion-avatar item-start>
+            <img [src]="profile && profile.profileimageurl" core-external-content [alt]="'core.pictureof' | translate:{$a: profile && profile.fullname}" core-user-link [courseId]="courseId" [userId]="profile && profile.id" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+        </ion-avatar>
+
+        <h2>{{submission.title}}</h2>
+        <p *ngIf="profile && profile.fullname">{{profile.fullname}}</p>
+        <p *ngIf="submission.reviewedbycount">
+            {{ 'addon.mod_workshop.receivedgrades' | translate }}: {{submission.reviewedbycount}} / {{submission.reviewedby.length}}
+        </p>
+        <p *ngIf="submission.reviewerofcount">
+            {{ 'addon.mod_workshop.givengrades' | translate }}: {{submission.reviewerofcount}} / {{submission.reviewerof.length}}
+        </p>
+        <p *ngIf="!showGrade(submission.submissiongradeover) && showGrade(submission.submissiongrade)">
+            {{ 'addon.mod_workshop.submissiongradeof' | translate:{$a: workshop.grade } }}: {{submission.submissiongrade}}
+        </p>
+        <p *ngIf="showGrade(submission.submissiongradeover)" class="addon-overriden-grade">
+            {{ 'addon.mod_workshop.submissiongradeof' | translate:{$a: workshop.grade } }}: {{submission.submissiongradeover}}
+        </p>
+        <p *ngIf="access.canviewallsubmissions && showGrade(submission.gradinggrade)">
+            {{ 'addon.mod_workshop.gradinggradeof' | translate:{$a: workshop.gradinggrade } }}: {{submission.gradinggrade}}
+        </p>
+
+        <ion-badge *ngIf="assessment && (showGrade(assessment.grade) || assessment.offline)" color="success">{{ 'addon.mod_workshop.assessedsubmission' | translate }}</ion-badge>
+        <ion-badge *ngIf="assessment && !showGrade(assessment.grade) && !assessment.offline" color="danger">{{ 'addon.mod_workshop.notassessed' | translate }}</ion-badge>
+
+        <ion-note item-end *ngIf="submission.timemodified">
+            {{submission.timemodified | coreDateDayOrTime}}
+            <div *ngIf="offline"><ion-icon name="time"></ion-icon> {{ 'core.notsent' | translate }}</div>
+            <div *ngIf="submission.deleted"><ion-icon name="trash"></ion-icon> {{ 'core.deletedoffline' | translate }}</div>
+        </ion-note>
+    </ion-item>
+</core-loading>

src/addon/mod/workshop/components/submission/submission.scss

@@ -0,0 +1,35 @@
+addon-mod-workshop-submission {
+    .item-md.item-block .item-inner {
+      border-bottom: 1px solid $list-md-border-color;
+    }
+
+    .item-ios.item-block .item-inner {
+      border-bottom: $hairlines-width solid $list-ios-border-color;
+    }
+
+    .item-wp.item-block .item-inner {
+      border-bottom: 1px solid $list-wp-border-color;
+    }
+
+    &:last-child .item .item-inner {
+      border-bottom: 0;
+    }
+}
+
+.card.with-borders addon-mod-workshop-submission {
+    .item-md.item-block .item-inner {
+      border-bottom: 1px solid $list-md-border-color;
+    }
+
+    .item-ios.item-block .item-inner {
+      border-bottom: $hairlines-width solid $list-ios-border-color;
+    }
+
+    .item-wp.item-block .item-inner {
+      border-bottom: 1px solid $list-wp-border-color;
+    }
+
+    &:last-child .item .item-inner {
+      border-bottom: 0;
+    }
+}

src/addon/mod/workshop/components/submission/submission.ts

@@ -0,0 +1,131 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, Input, OnInit } from '@angular/core';
+import { NavController } from 'ionic-angular';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreUserProvider } from '@core/user/providers/user';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+
+/**
+ * Component that displays workshop submission.
+ */
+@Component({
+    selector: 'addon-mod-workshop-submission',
+    templateUrl: 'addon-mod-workshop-submission.html',
+})
+export class AddonModWorkshopSubmissionComponent implements OnInit {
+    @Input() submission: any;
+    @Input() module: any;
+    @Input() workshop: any;
+    @Input() access: any;
+    @Input() courseId: number;
+    @Input() assessment?: any;
+    @Input() summary?: boolean;
+
+    component = AddonModWorkshopProvider.COMPONENT;
+    componentId: number;
+    userId: number;
+    loaded = false;
+    offline = false;
+    viewDetails = false;
+    profile: any;
+    showGrade: any;
+    evaluateByProfile: any;
+
+    constructor(private workshopOffline: AddonModWorkshopOfflineProvider, private workshopHelper: AddonModWorkshopHelperProvider,
+            private navCtrl: NavController, private userProvider: CoreUserProvider, sitesProvider: CoreSitesProvider) {
+        this.userId = sitesProvider.getCurrentSiteUserId();
+        this.showGrade = this.workshopHelper.showGrade;
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        this.componentId = this.module.instance;
+        this.userId = this.submission.authorid || this.submission.userid || this.userId;
+        this.submission.title = this.submission.title || this.submission.submissiontitle;
+        this.submission.timemodified = this.submission.timemodified || this.submission.submissionmodified;
+        this.submission.id = this.submission.id || this.submission.submissionid;
+
+        if (this.workshop.phase == AddonModWorkshopProvider.PHASE_ASSESSMENT) {
+            if (this.submission.reviewedby && this.submission.reviewedby.length) {
+                this.submission.reviewedbycount = this.submission.reviewedby.reduce((a, b) => {
+                    return a + (b.grade ? 1 : 0);
+                }, 0);
+            }
+
+            if (this.submission.reviewerof && this.submission.reviewerof.length) {
+                this.submission.reviewerofcount = this.submission.reviewerof.reduce((a, b) => {
+                    return a + (b.grade ? 1 : 0);
+                }, 0);
+            }
+        }
+
+        const promises = [];
+
+        this.offline = (this.submission && this.submission.offline) || (this.assessment && this.assessment.offline);
+
+        if (this.submission.id) {
+            promises.push(this.workshopOffline.getEvaluateSubmission(this.workshop.id, this.submission.id)
+                    .then((offlineSubmission) => {
+                this.submission.submissiongradeover = offlineSubmission.gradeover;
+                this.offline = true;
+            }).catch(() => {
+                // Ignore errors.
+            }));
+        }
+
+        if (this.userId) {
+            promises.push(this.userProvider.getProfile(this.userId, this.courseId, true).then((profile) => {
+                this.profile = profile;
+            }));
+        }
+
+        this.viewDetails = !this.summary && this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED &&
+            this.navCtrl.getActive().name !== 'AddonModWorkshopSubmissionPage';
+
+        if (this.viewDetails && this.submission.gradeoverby) {
+            promises.push(this.userProvider.getProfile(this.submission.gradeoverby, this.courseId, true).then((profile) => {
+                this.evaluateByProfile = profile;
+            }));
+        }
+
+        Promise.all(promises).finally(() => {
+            this.loaded = true;
+        });
+    }
+
+    /**
+     * Navigate to the submission.
+     */
+    gotoSubmission(): void {
+        if (this.submission.timemodified) {
+            const params = {
+                module: this.module,
+                workshop: this.workshop,
+                access: this.access,
+                courseId: this.courseId,
+                profile: this.profile,
+                submission: this.submission,
+                assessment: this.assessment,
+            };
+
+            this.navCtrl.push('AddonModWorkshopSubmissionPage', params);
+        }
+    }
+}

src/addon/mod/workshop/lang/en.json

@@ -0,0 +1,61 @@
+{
+    "alreadygraded": "Already graded",
+    "areainstructauthors": "Instructions for submission",
+    "areainstructreviewers": "Instructions for assessment",
+    "assess": "Assess",
+    "assessedsubmission": "Assessed submission",
+    "assessmentform": "Assessment form",
+    "assessmentsettings": "Assessment settings",
+    "assessmentstrategynotsupported": "Assessment strategy {{$a}} not supported",
+    "assessmentweight": "Assessment weight",
+    "assignedassessments": "Assigned submissions to assess",
+    "conclusion": "Conclusion",
+    "createsubmission": "Start preparing your submission",
+    "deletesubmission": "Delete submission",
+    "editsubmission": "Edit submission",
+    "feedbackauthor": "Feedback for the author",
+    "feedbackby": "Feedback by {{$a}}",
+    "feedbackreviewer": "Feedback for the reviewer",
+    "givengrades": "Grades given",
+    "gradecalculated": "Calculated grade for submission",
+    "gradeinfo": "Grade: {{$a.received}} of {{$a.max}}",
+    "gradeover": "Override grade for submission",
+    "gradesreport": "Workshop grades report",
+    "gradinggrade": "Grade for assessment",
+    "gradinggradecalculated": "Calculated grade for assessment",
+    "gradinggradeof": "Grade for assessment (of {{$a}})",
+    "gradinggradeover": "Override grade for assessment",
+    "nogradeyet": "No grade yet",
+    "notassessed": "Not assessed yet",
+    "notoverridden": "Not overridden",
+    "noyoursubmission": "You have not submitted your work yet",
+    "overallfeedback": "Overall feedback",
+    "publishedsubmissions": "Published submissions",
+    "publishsubmission": "Publish submission",
+    "publishsubmission_help": "Published submissions are available to the others when the workshop is closed.",
+    "reassess": "Re-assess",
+    "receivedgrades": "Grades received",
+    "selectphase": "Select phase",
+    "submissionattachment": "Attachment",
+    "submissioncontent": "Submission content",
+    "submissiondeleteconfirm": "Are you sure you want to delete the following submission?",
+    "submissiongrade": "Grade for submission",
+    "submissiongradeof": "Grade for submission (of {{$a}})",
+    "submissionrequiredcontent": "You need to enter some text or add a file.",
+    "submissionrequiredtitle": "You need to enter a title.",
+    "submissionsreport": "Workshop submissions report",
+    "submissiontitle": "Title",
+    "switchphase10": "Switch to the setup phase",
+    "switchphase20": "Switch to the submission phase",
+    "switchphase30": "Switch to the assessment phase",
+    "switchphase40": "Switch to the evaluation phase",
+    "switchphase50": "Close workshop",
+    "userplancurrentphase": "Current phase",
+    "warningassessmentmodified": "The submission was modified on the site.",
+    "warningsubmissionmodified": "The assessment was modified on the site.",
+    "weightinfo": "Weight: {{$a}}",
+    "yourassessment": "Your assessment",
+    "yourassessmentfor": "Your assessment for {{$a}}",
+    "yourgrades": "Your grades",
+    "yoursubmission": "Your submission"
+}

src/addon/mod/workshop/pages/assessment/assessment.html

@@ -0,0 +1,77 @@
+<ion-header>
+    <ion-navbar>
+        <ion-title><core-format-text [text]="title"></core-format-text></ion-title>
+        <ion-buttons end [hidden]="!evaluating">
+            <button ion-button clear (click)="saveEvaluation()" [attr.aria-label]="'core.save' | translate">
+                {{ 'core.save' | translate }}
+            </button>
+        </ion-buttons>
+    </ion-navbar>
+</ion-header>
+<ion-content>
+    <ion-refresher [enabled]="loaded" (ionRefresh)="refreshAssessment($event)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+    <core-loading [hideUntil]="loaded">
+
+        <ion-item text-wrap>
+            <ion-avatar item-start *ngIf="profile">
+                <img [src]="profile.profileimageurl" core-external-content core-user-link [courseId]="courseId" [userId]="profile.id" [alt]="'core.pictureof' | translate:{$a: profile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+            </ion-avatar>
+            <h2 *ngIf="profile && profile.fullname">{{profile.fullname}}</h2>
+
+            <p *ngIf="workshop && assessment && showGrade(assessment.grade)">
+                {{ 'addon.mod_workshop.submissiongradeof' | translate:{$a: workshop.grade } }}: {{assessment.grade}}
+            </p>
+            <p *ngIf="access && access.canviewallsubmissions && assessment && showGrade(assessment.gradinggrade)" [class.core-has-overriden-grade]=" showGrade(assessment.gradinggrade)">
+                {{ 'addon.mod_workshop.gradinggradeof' | translate:{$a: workshop.gradinggrade } }}: {{assessment.gradinggrade}}
+            </p>
+            <p *ngIf="access && access.canviewallsubmissions && assessment && showGrade(assessment.gradinggradeover)" class="core-overriden-grade">
+                {{ 'addon.mod_workshop.gradinggradeover' | translate }}: {{assessment.gradinggradeover}}
+            </p>
+            <p *ngIf="assessment && assessment.weight && assessment.weight != 1">
+                {{ 'addon.mod_workshop.weightinfo' | translate:{$a: assessment.weight } }}
+            </p>
+            <ion-badge *ngIf="!assessment || !showGrade(assessment.grade)" color="danger">
+                {{ 'addon.mod_workshop.notassessed' | translate }}
+            </ion-badge>
+        </ion-item>
+
+        <addon-mod-workshop-assessment-strategy *ngIf="assessment && assessmentId && showGrade(assessment.grade) && workshop && access && profile" [workshop]="workshop" [access]="access" [assessmentId]="assessmentId" [userId]="profile.id" [strategy]="strategy"></addon-mod-workshop-assessment-strategy>
+
+        <form ion-list [formGroup]="evaluateForm" *ngIf="evaluating">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.assessmentsettings' | translate }}</h2>
+            </ion-item>
+            <ion-item text-wrap *ngIf="access.canallocate">
+                <ion-label stacked core-mark-required="true">{{ 'addon.mod_workshop.assessmentweight' | translate }}</ion-label>
+                <ion-select formControlName="weight" required="true">
+                    <ion-option *ngFor="let w of weights" [value]="w">{{ w }}</ion-option>
+                </ion-select>
+            </ion-item>
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.gradinggradecalculated' | translate }}</h2>
+                <p>{{ assessment.gradinggrade }}</p>
+            </ion-item>
+            <ion-item text-wrap *ngIf="access.canoverridegrades">
+                <ion-label stacked>{{ 'addon.mod_workshop.gradinggradeover' | translate }}</ion-label>
+                <ion-select formControlName="grade">
+                    <ion-option *ngFor="let grade of evaluationGrades" [value]="grade.value">{{grade.label}}</ion-option>
+                </ion-select>
+            </ion-item>
+            <ion-item *ngIf="access.canoverridegrades">
+                <ion-label stacked>{{ 'addon.mod_workshop.feedbackreviewer' | translate }}</ion-label>
+                <core-rich-text-editor item-content [control]="evaluateForm.controls['text']" formControlName="text"></core-rich-text-editor>
+            </ion-item>
+        </form>
+        <ion-list *ngIf="!evaluating && evaluate && evaluate.text">
+            <ion-item text-wrap>
+                <ion-avatar item-start *ngIf="evaluateGradingByProfile">
+                    <img [src]="evaluateGradingByProfile.profileimageurl" core-external-content core-user-link [courseId]="courseId" [userId]="evaluateGradingByProfile.id" [alt]="'core.pictureof' | translate:{$a: evaluateGradingByProfile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+                </ion-avatar>
+                <h2 *ngIf="evaluateGradingByProfile && evaluateGradingByProfile.fullname">{{ 'addon.mod_workshop.feedbackby' | translate : {$a: evaluateGradingByProfile.fullname} }}</h2>
+                <core-format-text [text]="evaluate.text"></core-format-text>
+            </ion-item>
+        </ion-list>
+    </core-loading>
+</ion-content>

src/addon/mod/workshop/pages/assessment/assessment.module.ts

@@ -0,0 +1,35 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { IonicPageModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopComponentsModule } from '../../components/components.module';
+import { AddonModWorkshopAssessmentPage } from './assessment';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopAssessmentPage,
+    ],
+    imports: [
+        CoreDirectivesModule,
+        CoreComponentsModule,
+        AddonModWorkshopComponentsModule,
+        IonicPageModule.forChild(AddonModWorkshopAssessmentPage),
+        TranslateModule.forChild()
+    ],
+})
+export class AddonModWorkshopAssessmentPageModule {}

src/addon/mod/workshop/pages/assessment/assessment.ts

@@ -0,0 +1,375 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit, OnDestroy } from '@angular/core';
+import { IonicPage, NavParams, NavController } from 'ionic-angular';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreSyncProvider } from '@providers/sync';
+import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreCourseProvider } from '@core/course/providers/course';
+import { CoreUserProvider } from '@core/user/providers/user';
+import { CoreGradesHelperProvider } from '@core/grades/providers/helper';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+import { AddonModWorkshopSyncProvider } from '../../providers/sync';
+
+/**
+ * Page that displays a workshop assessment.
+ */
+@IonicPage({ segment: 'addon-mod-workshop-assessment' })
+@Component({
+    selector: 'page-addon-mod-workshop-assessment-page',
+    templateUrl: 'assessment.html',
+})
+export class AddonModWorkshopAssessmentPage implements OnInit, OnDestroy {
+
+    assessment: any;
+    submission: any;
+    profile: any;
+    courseId: number;
+    access: any;
+    assessmentId: number;
+    evaluating = false;
+    loaded = false;
+    showGrade: any;
+    evaluateForm: FormGroup;
+    maxGrade: number;
+    workshop: any;
+    strategy: any;
+    title: string;
+    evaluate = {
+        text: '',
+        grade: -1,
+        weight: 1
+    };
+    weights = [];
+    evaluateByProfile: any;
+    evaluationGrades: any;
+
+    protected workshopId: number;
+    protected originalEvaluation: any = {};
+    protected hasOffline = false;
+    protected syncObserver: any;
+    protected isDestroyed = false;
+    protected siteId: string;
+    protected currentUserId: number;
+    protected forceLeave = false;
+
+    constructor(navParams: NavParams, sitesProvider: CoreSitesProvider, protected courseProvider: CoreCourseProvider,
+            protected workshopProvider: AddonModWorkshopProvider, protected workshopOffline: AddonModWorkshopOfflineProvider,
+            protected workshopHelper: AddonModWorkshopHelperProvider, protected navCtrl: NavController,
+            protected syncProvider: CoreSyncProvider, protected textUtils: CoreTextUtilsProvider, protected fb: FormBuilder,
+            protected translate: TranslateService, protected eventsProvider: CoreEventsProvider,
+            protected domUtils: CoreDomUtilsProvider, protected gradesHelper: CoreGradesHelperProvider,
+            protected userProvider: CoreUserProvider) {
+
+        this.assessment = navParams.get('assessment');
+        this.submission = navParams.get('submission') || {};
+        this.profile = navParams.get('profile');
+        this.courseId = navParams.get('courseId');
+
+        this.assessmentId = this.assessment.assessmentid || this.assessment.id;
+        this.workshopId = this.submission.workshopid || null;
+        this.siteId = sitesProvider.getCurrentSiteId();
+        this.currentUserId = sitesProvider.getCurrentSiteUserId();
+
+        this.showGrade = this.workshopHelper.showGrade;
+
+        this.evaluateForm = new FormGroup({});
+        this.evaluateForm.addControl('weight', this.fb.control('', Validators.required));
+        this.evaluateForm.addControl('grade', this.fb.control(''));
+        this.evaluateForm.addControl('text', this.fb.control(''));
+
+        // Refresh workshop on sync.
+        this.syncObserver = this.eventsProvider.on(AddonModWorkshopSyncProvider.AUTO_SYNCED, (data) => {
+            // Update just when all database is synced.
+            if (this.workshopId === data.workshopId) {
+                this.loaded = false;
+                this.refreshAllData();
+            }
+        }, this.siteId);
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        this.fetchAssessmentData();
+    }
+
+    /**
+     * Check if we can leave the page or not.
+     *
+     * @return {boolean|Promise<void>} Resolved if we can leave it, rejected if not.
+     */
+    ionViewCanLeave(): boolean | Promise<void> {
+        if (this.forceLeave || !this.evaluating) {
+            return true;
+        }
+
+        if (!this.hasEvaluationChanged()) {
+            return Promise.resolve();
+        }
+
+        // Show confirmation if some data has been modified.
+        return this.domUtils.showConfirm(this.translate.instant('core.confirmcanceledit'));
+    }
+
+    /**
+     * Fetch the assessment data.
+     *
+     * @return {Promise<void>} Resolved when done.
+     */
+    protected fetchAssessmentData(): Promise<void> {
+        return this.workshopProvider.getWorkshopById(this.courseId, this.workshopId).then((workshopData) => {
+            this.workshop = workshopData;
+            this.title = this.workshop.name;
+            this.strategy = this.workshop.strategy;
+
+            return this.courseProvider.getModuleBasicGradeInfo(workshopData.coursemodule);
+        }).then((gradeInfo) => {
+            this.maxGrade = gradeInfo.grade;
+
+            return this.workshopProvider.getWorkshopAccessInformation(this.workshopId);
+        }).then((accessData) => {
+            this.access = accessData;
+
+            // Load Weights selector.
+            if (this.assessmentId && (accessData.canallocate || accessData.canoverridegrades)) {
+                if (!this.isDestroyed) {
+                    // Block the workshop.
+                    this.syncProvider.blockOperation(AddonModWorkshopProvider.COMPONENT, this.workshopId);
+                }
+
+                this.evaluating = true;
+            } else {
+                this.evaluating = false;
+            }
+
+            if (this.evaluating || this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED) {
+                // Get all info of the assessment.
+                return this.workshopHelper.getReviewerAssessmentById(this.workshopId, this.assessmentId, this.profile.id)
+                        .then((assessment) => {
+                    let defaultGrade, promise;
+
+                    this.assessment = this.workshopHelper.realGradeValue(this.workshop, assessment);
+                    this.evaluate.text = this.assessment.feedbackreviewer || '';
+                    this.evaluate.weight = this.assessment.weight;
+
+                    if (this.evaluating) {
+                        if (accessData.canallocate) {
+                            this.weights = [];
+                            for (let i = 16; i >= 0; i--) {
+                                this.weights[i] = i;
+                            }
+                        }
+
+                        if (accessData.canoverridegrades) {
+                            defaultGrade = this.translate.instant('addon.mod_workshop.notoverridden');
+                            promise = this.gradesHelper.makeGradesMenu(this.workshop.gradinggrade, this.workshopId, defaultGrade,
+                                    -1).then((grades) => {
+                                this.evaluationGrades = grades;
+                            });
+                        } else {
+                            promise = Promise.resolve();
+                        }
+
+                        return promise.then(() => {
+                            return this.workshopOffline.getEvaluateAssessment(this.workshopId, this.assessmentId)
+                                    .then((offlineAssess) => {
+                                this.hasOffline = true;
+                                this.evaluate.weight = offlineAssess.weight;
+                                if (accessData.canoverridegrades) {
+                                    this.evaluate.text = offlineAssess.feedbacktext || '';
+                                    this.evaluate.grade = offlineAssess.gradinggradeover || -1;
+                                }
+                            }).catch(() => {
+                                this.hasOffline = false;
+                                // No offline, load online.
+                                if (accessData.canoverridegrades) {
+                                    this.evaluate.text = this.assessment.feedbackreviewer || '';
+                                    this.evaluate.grade = this.assessment.gradinggradeover || -1;
+                                }
+                            });
+                        }).finally(() => {
+                            this.originalEvaluation.weight = this.evaluate.weight;
+                            if (accessData.canoverridegrades) {
+                                this.originalEvaluation.text = this.evaluate.text;
+                                this.originalEvaluation.grade = this.evaluate.grade;
+                            }
+
+                            this.evaluateForm.controls['weight'].setValue(this.evaluate.weight);
+                            if (accessData.canoverridegrades) {
+                                this.evaluateForm.controls['grade'].setValue(this.evaluate.grade);
+                                this.evaluateForm.controls['text'].setValue(this.evaluate.text);
+                            }
+                        });
+
+                    } else if (this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED && this.assessment.gradinggradeoverby) {
+                        return this.userProvider.getProfile(this.assessment.gradinggradeoverby, this.courseId, true)
+                                .then((profile) => {
+                            this.evaluateByProfile = profile;
+                        });
+                    }
+                });
+            }
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'mm.course.errorgetmodule', true);
+        }).finally(() => {
+            this.loaded = true;
+        });
+    }
+
+    /**
+     * Force leaving the page, without checking for changes.
+     */
+    protected forceLeavePage(): void {
+        this.forceLeave = true;
+        this.navCtrl.pop();
+    }
+
+    /**
+     * Check if data has changed.
+     *
+     * @return {boolean} True if changed, false otherwise.
+     */
+    protected hasEvaluationChanged(): boolean {
+        if (!this.loaded || !this.evaluating) {
+            return false;
+        }
+
+        const inputData = this.evaluateForm.value;
+
+        if (this.originalEvaluation.weight != inputData.weight) {
+            return true;
+        }
+
+        if (this.access && this.access.canoverridegrades) {
+            if (this.originalEvaluation.text != inputData.text) {
+                return true;
+            }
+
+            if (this.originalEvaluation.grade != inputData.grade) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Convenience function to refresh all the data.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected refreshAllData(): Promise<any> {
+        const promises = [];
+
+        promises.push(this.workshopProvider.invalidateWorkshopData(this.courseId));
+        promises.push(this.workshopProvider.invalidateWorkshopAccessInformationData(this.workshopId));
+        promises.push(this.workshopProvider.invalidateReviewerAssesmentsData(this.workshopId));
+
+        if (this.assessmentId) {
+            promises.push(this.workshopProvider.invalidateAssessmentFormData(this.workshopId, this.assessmentId));
+            promises.push(this.workshopProvider.invalidateAssessmentData(this.workshopId, this.assessmentId));
+        }
+
+        return Promise.all(promises).finally(() => {
+            this.eventsProvider.trigger(AddonModWorkshopProvider.ASSESSMENT_INVALIDATED, this.siteId);
+
+            return this.fetchAssessmentData();
+        });
+    }
+
+    /**
+     * Pull to refresh.
+     *
+     * @param {any} refresher Refresher.
+     */
+    refreshAssessment(refresher: any): void {
+        if (this.loaded) {
+            this.refreshAllData().finally(() => {
+                refresher.complete();
+            });
+        }
+    }
+
+    /**
+     * Save the assessment evaluation.
+     */
+    saveEvaluation(): void {
+        // Check if data has changed.
+        if (this.hasEvaluationChanged()) {
+            this.sendEvaluation().then(() => {
+                this.forceLeavePage();
+            });
+        } else {
+            // Nothing to save, just go back.
+            this.forceLeavePage();
+        }
+    }
+
+    /**
+     * Sends the evaluation to be saved on the server.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected sendEvaluation(): Promise<any> {
+        const modal = this.domUtils.showModalLoading('core.sending', true);
+
+        // Check if rich text editor is enabled or not.
+        return this.domUtils.isRichTextEditorEnabled().then((rteEnabled) => {
+            const inputData = this.evaluateForm.value;
+            inputData.grade = inputData.grade >= 0 ? inputData.grade : '';
+            if (!rteEnabled) {
+                // Rich text editor not enabled, add some HTML to the message if needed.
+                inputData.text = this.textUtils.formatHtmlLines(inputData.text);
+            }
+
+            // Try to send it to server.
+            return this.workshopProvider.evaluateAssessment(this.workshopId, this.assessmentId, this.courseId, inputData.text,
+                inputData.weight, inputData.grade);
+        }).then(() => {
+            const data = {
+                workshopId: this.workshopId,
+                assessmentId: this.assessmentId,
+                userId: this.currentUserId
+            };
+
+            return this.workshopProvider.invalidateAssessmentData(this.workshopId, this.assessmentId).finally(() => {
+                this.eventsProvider.trigger(AddonModWorkshopProvider.ASSESSMENT_SAVED, data, this.siteId);
+            });
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'Cannot save assessment evaluation');
+        }).finally(() => {
+            modal.dismiss();
+        });
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        this.isDestroyed = true;
+
+        this.syncObserver && this.syncObserver.off();
+        // Restore original back functions.
+        this.syncProvider.unblockOperation(AddonModWorkshopProvider.COMPONENT, this.workshopId);
+    }
+}

src/addon/mod/workshop/pages/edit-submission/edit-submission.html

@@ -0,0 +1,30 @@
+<ion-header>
+    <ion-navbar>
+        <ion-title>{{ 'addon.mod_workshop.editsubmission' | translate }}</ion-title>
+        <ion-buttons end>
+            <button ion-button clear (click)="save()" [attr.aria-label]="'core.save' | translate">
+                {{ 'core.save' | translate }}
+            </button>
+        </ion-buttons>
+    </ion-navbar>
+</ion-header>
+<ion-content>
+    <ion-refresher [enabled]="loaded" (ionRefresh)="refreshSubmission($event)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+    <core-loading [hideUntil]="loaded">
+        <form ion-list [formGroup]="editForm" *ngIf="workshop">
+            <ion-item text-wrap>
+                <ion-label stacked core-mark-required="true">{{ 'addon.mod_workshop.submissiontitle' | translate }}</ion-label>
+                <ion-input name="title" type="text" [placeholder]="'addon.mod_workshop.submissiontitle' | translate" formControlName="title"></ion-input>
+            </ion-item>
+
+            <ion-item>
+                <ion-label stacked>{{ 'addon.mod_workshop.submissioncontent' | translate }}</ion-label>
+                <core-rich-text-editor item-content [control]="editForm.controls['content']" formControlName="content" [placeholder]="'addon.mod_workshop.submissioncontent' | translate"  name="content" [component]="component" [componentId]="componentId"></core-rich-text-editor>
+            </ion-item>
+
+            <core-attachments *ngIf="workshop.nattachments > 0" [files]="submission.attachmentfiles" [maxSize]="workshop.maxbytes" [maxSubmissions]="workshop.nattachments" [component]="component" [componentId]="workshop.cmid" allowOffline="true" [acceptedTypes]="workshop.submissionfiletypes"></core-attachments>
+        </form>
+    </core-loading>
+</ion-content>

src/addon/mod/workshop/pages/edit-submission/edit-submission.module.ts

@@ -0,0 +1,33 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { IonicPageModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopEditSubmissionPage } from './edit-submission';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopEditSubmissionPage,
+    ],
+    imports: [
+        CoreDirectivesModule,
+        CoreComponentsModule,
+        IonicPageModule.forChild(AddonModWorkshopEditSubmissionPage),
+        TranslateModule.forChild()
+    ],
+})
+export class AddonModWorkshopEditSubmissionPageModule {}

src/addon/mod/workshop/pages/edit-submission/edit-submission.ts

@@ -0,0 +1,398 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit, OnDestroy } from '@angular/core';
+import { IonicPage, NavParams, NavController } from 'ionic-angular';
+import { FormGroup, FormBuilder, Validators } from '@angular/forms';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreSyncProvider } from '@providers/sync';
+import { CoreFileSessionProvider } from '@providers/file-session';
+import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreFileUploaderProvider } from '@core/fileuploader/providers/fileuploader';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+
+/**
+ * Page that displays the workshop edit submission.
+ */
+@IonicPage({ segment: 'addon-mod-workshop-edit-submission' })
+@Component({
+    selector: 'page-addon-mod-workshop-edit-submission',
+    templateUrl: 'edit-submission.html',
+})
+export class AddonModWorkshopEditSubmissionPage implements OnInit, OnDestroy {
+
+    module: any;
+    courseId: number;
+    access: any;
+    submission = {
+        id: 0,
+        title: '',
+        content: '',
+        attachmentfiles: [],
+    };
+
+    loaded = false;
+    component = AddonModWorkshopProvider.COMPONENT;
+    componentId: number;
+    editForm: FormGroup; // The form group.
+
+    protected workshopId: number;
+    protected submissionId: number;
+    protected userId: number;
+    protected originalData: any = {};
+    protected hasOffline = false;
+    protected editing = false;
+    protected forceLeave = false;
+    protected siteId: string;
+    protected workshop: any;
+    protected isDestroyed = false;
+
+    constructor(navParams: NavParams, sitesProvider: CoreSitesProvider, protected fileUploaderProvider: CoreFileUploaderProvider,
+            protected workshopProvider: AddonModWorkshopProvider, protected workshopOffline: AddonModWorkshopOfflineProvider,
+            protected workshopHelper: AddonModWorkshopHelperProvider, protected navCtrl: NavController,
+            protected fileSessionprovider: CoreFileSessionProvider, protected syncProvider: CoreSyncProvider,
+            protected textUtils: CoreTextUtilsProvider, protected domUtils: CoreDomUtilsProvider, protected fb: FormBuilder,
+            protected translate: TranslateService, protected eventsProvider: CoreEventsProvider) {
+        this.module = navParams.get('module');
+        this.courseId = navParams.get('courseId');
+        this.access = navParams.get('access');
+        this.submissionId = navParams.get('submissionId');
+
+        this.workshopId = this.module.instance;
+        this.componentId = this.module.id;
+        this.userId = sitesProvider.getCurrentSiteUserId();
+        this.siteId = sitesProvider.getCurrentSiteId();
+
+        this.editForm = new FormGroup({});
+        this.editForm.addControl('title', this.fb.control('', Validators.required));
+        this.editForm.addControl('content', this.fb.control(''));
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        if (!this.isDestroyed) {
+            // Block the workshop.
+            this.syncProvider.blockOperation(this.component, this.workshopId);
+        }
+
+        this.fetchSubmissionData();
+    }
+
+    /**
+     * Check if we can leave the page or not.
+     *
+     * @return {boolean|Promise<void>} Resolved if we can leave it, rejected if not.
+     */
+    ionViewCanLeave(): boolean | Promise<void> {
+        if (this.forceLeave) {
+            return true;
+        }
+
+        let promise;
+
+        // Check if data has changed.
+        if (!this.hasDataChanged()) {
+            promise = Promise.resolve();
+        } else {
+            // Show confirmation if some data has been modified.
+            promise = this.domUtils.showConfirm(this.translate.instant('core.confirmcanceledit'));
+        }
+
+        return promise.then(() => {
+            if (this.submission.attachmentfiles) {
+                // Delete the local files from the tmp folder.
+                this.fileUploaderProvider.clearTmpFiles(this.submission.attachmentfiles);
+            }
+        });
+    }
+
+    /**
+     * Fetch the submission data.
+     *
+     * @return {Promise<void>} Resolved when done.
+     */
+    protected fetchSubmissionData(): Promise<void> {
+        return this.workshopProvider.getWorkshop(this.courseId, this.module.id).then((workshopData) => {
+            this.workshop = workshopData;
+
+            if (this.submissionId > 0) {
+                this.editing = true;
+
+                return this.workshopHelper.getSubmissionById(this.workshopId, this.submissionId).then((submissionData) => {
+                    this.submission = submissionData;
+
+                    const canEdit = (this.userId == submissionData.authorid && this.access.cansubmit &&
+                        this.access.modifyingsubmissionallowed);
+                    if (!canEdit) {
+                        // Should not happen, but go back if does.
+                        this.forceLeavePage();
+
+                        return;
+                    }
+                });
+            } else if (!this.access.cansubmit || !this.access.creatingsubmissionallowed) {
+                // Should not happen, but go back if does.
+                this.forceLeavePage();
+
+                return;
+            }
+
+        }).then(() => {
+            return this.workshopOffline.getSubmissions(this.workshopId).then((submissionsActions) => {
+                if (submissionsActions && submissionsActions.length) {
+                    this.hasOffline = true;
+                    const actions = this.workshopHelper.filterSubmissionActions(submissionsActions, this.editing ?
+                        this.submission.id : 0);
+
+                    return this.workshopHelper.applyOfflineData(this.submission, actions);
+                } else {
+                    this.hasOffline = false;
+                }
+            }).finally(() => {
+                this.originalData.title = this.submission.title;
+                this.originalData.content = this.submission.content;
+                this.originalData.attachmentfiles = [];
+
+                this.submission.attachmentfiles.forEach((file) => {
+                    let filename;
+                    if (file.filename) {
+                        filename = file.filename;
+                    } else {
+                        // We don't have filename, extract it from the path.
+                        filename = file.filepath[0] == '/' ? file.filepath.substr(1) : file.filepath;
+                    }
+
+                    this.originalData.attachmentfiles.push({
+                        filename : filename,
+                        fileurl: file.fileurl
+                    });
+                });
+            });
+        }).then(() => {
+            this.editForm.controls['title'].setValue(this.submission.title);
+            this.editForm.controls['content'].setValue(this.submission.content);
+
+            const submissionId = this.submission.id || 'newsub';
+            this.fileSessionprovider.setFiles(this.component,
+                this.workshopId + '_' + submissionId, this.submission.attachmentfiles || []);
+
+            this.loaded = true;
+        }).catch((message) => {
+            this.loaded = false;
+
+            this.domUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+
+            this.forceLeavePage();
+        });
+    }
+
+    /**
+     * Force leaving the page, without checking for changes.
+     */
+    protected forceLeavePage(): void {
+        this.forceLeave = true;
+        this.navCtrl.pop();
+    }
+
+    /**
+     * Get the form input data.
+     *
+     * @return {any} Object with all the info.
+     */
+    protected getInputData(): any {
+        const submissionId = this.submission.id || 'newsub';
+
+        const values = this.editForm.value;
+        values['attachmentfiles'] = this.fileSessionprovider.getFiles(this.component, this.workshopId + '_' + submissionId) || [];
+
+        return values;
+    }
+
+    /**
+     * Check if data has changed.
+     *
+     * @return {boolean} True if changed or false if not.
+     */
+    protected hasDataChanged(): boolean {
+        if (!this.loaded) {
+            return false;
+        }
+
+        const inputData = this.getInputData();
+        if (!this.originalData || typeof this.originalData.title == 'undefined') {
+            // There is no original data, assume it hasn't changed.
+            return false;
+        }
+
+        if (this.originalData.title != inputData.title || this.originalData.content != inputData.content) {
+            return true;
+        }
+
+        return this.fileUploaderProvider.areFileListDifferent(inputData.attachmentfiles, this.originalData.attachmentfiles);
+    }
+
+    /**
+     * Pull to refresh.
+     *
+     * @param {any} refresher Refresher.
+     */
+    refreshSubmission(refresher: any): void {
+        if (this.loaded) {
+            const promises = [];
+
+            promises.push(this.workshopProvider.invalidateSubmissionData(this.workshopId, this.submission.id));
+            promises.push(this.workshopProvider.invalidateSubmissionsData(this.workshopId));
+
+            Promise.all(promises).finally(() => {
+                return this.fetchSubmissionData();
+            }).finally(() => {
+                refresher.complete();
+            });
+        }
+    }
+
+    /**
+     * Save the submission.
+     */
+    save(): void {
+        // Check if data has changed.
+        if (this.hasDataChanged()) {
+            this.saveSubmission().then(() => {
+                // Go back to entry list.
+                this.forceLeavePage();
+            }).catch(() => {
+                // Nothing to do.
+            });
+        } else {
+            // Nothing to save, just go back.
+            this.forceLeavePage();
+        }
+    }
+
+    /**
+     * Send submission and save.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected saveSubmission(): Promise<any> {
+        const inputData = this.getInputData();
+
+        if (!inputData.title) {
+            this.domUtils.showAlertTranslated('core.notice', 'addon.mod_workshop.submissionrequiredtitle');
+
+            return Promise.reject(null);
+        }
+        if (!inputData.content) {
+            this.domUtils.showAlertTranslated('core.notice', 'addon.mod_workshop.submissionrequiredcontent');
+
+            return Promise.reject(null);
+        }
+
+        let allowOffline = true,
+            saveOffline = false;
+
+        const modal = this.domUtils.showModalLoading('core.sending', true),
+            submissionId = this.submission.id;
+
+        // Check if rich text editor is enabled or not.
+        return this.domUtils.isRichTextEditorEnabled().then((rteEnabled) => {
+            if (!rteEnabled) {
+                // Rich text editor not enabled, add some HTML to the message if needed.
+                inputData.content = this.textUtils.formatHtmlLines(inputData.content);
+            }
+
+            // Upload attachments first if any.
+            allowOffline = !inputData.attachmentfiles.length;
+
+            return this.workshopHelper.uploadOrStoreSubmissionFiles(this.workshopId, this.submission.id, inputData.attachmentfiles,
+                    this.editing, saveOffline).catch(() => {
+                // Cannot upload them in online, save them in offline.
+                saveOffline = true;
+                allowOffline = true;
+
+                return this.workshopHelper.uploadOrStoreSubmissionFiles(this.workshopId, this.submission.id,
+                    inputData.attachmentfiles, this.editing, saveOffline);
+            });
+        }).then((attachmentsId) => {
+            if (this.editing) {
+                if (saveOffline) {
+                    // Save submission in offline.
+                    return this.workshopOffline.saveSubmission(this.workshopId, this.courseId, inputData.title,
+                            inputData.content, attachmentsId, submissionId, 'update').then(() => {
+                        // Don't return anything.
+                    });
+                }
+
+                // Try to send it to server.
+                // Don't allow offline if there are attachments since they were uploaded fine.
+                return this.workshopProvider.updateSubmission(this.workshopId, submissionId, this.courseId, inputData.title,
+                    inputData.content, attachmentsId, undefined, allowOffline);
+            }
+
+            if (saveOffline) {
+                // Save submission in offline.
+                return this.workshopOffline.saveSubmission(this.workshopId, this.courseId, inputData.title, inputData.content,
+                    attachmentsId, submissionId, 'add').then(() => {
+                    // Don't return anything.
+                });
+            }
+
+            // Try to send it to server.
+            // Don't allow offline if there are attachments since they were uploaded fine.
+            return this.workshopProvider.addSubmission(this.workshopId, this.courseId, inputData.title, inputData.content,
+                attachmentsId, undefined, submissionId, allowOffline);
+        }).then((newSubmissionId) => {
+            const data = {
+                workshopId: this.workshopId,
+                cmId: this.module.cmid
+            };
+
+            if (newSubmissionId && submissionId) {
+                // Data sent to server, delete stored files (if any).
+                this.workshopOffline.deleteSubmissionAction(this.workshopId, submissionId, this.editing ? 'update' : 'add');
+                this.workshopHelper.deleteSubmissionStoredFiles(this.workshopId, submissionId, this.editing);
+                data['submissionId'] = newSubmissionId;
+            }
+
+            const promise = newSubmissionId ? this.workshopProvider.invalidateSubmissionData(this.workshopId, newSubmissionId) :
+                Promise.resolve();
+
+            return promise.finally(() => {
+                this.eventsProvider.trigger(AddonModWorkshopProvider.SUBMISSION_CHANGED, data, this.siteId);
+
+                // Delete the local files from the tmp folder.
+                this.fileUploaderProvider.clearTmpFiles(inputData.attachmentfiles);
+            });
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'Cannot save submission');
+        }).finally(() => {
+            modal.dismiss();
+        });
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        this.isDestroyed = true;
+        this.syncProvider.unblockOperation(this.component, this.workshopId);
+    }
+}

src/addon/mod/workshop/pages/index/index.html

@@ -0,0 +1,16 @@
+<ion-header>
+    <ion-navbar>
+        <ion-title><core-format-text [text]="title"></core-format-text></ion-title>
+
+        <ion-buttons end>
+            <!-- The buttons defined by the component will be added in here. -->
+        </ion-buttons>
+    </ion-navbar>
+</ion-header>
+<ion-content>
+    <ion-refresher [enabled]="workshopComponent.loaded" (ionRefresh)="workshopComponent.doRefresh($event)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+
+    <addon-mod-workshop-index [module]="module" [courseId]="courseId" [group]="selectedGroup" (dataRetrieved)="updateData($event)"></addon-mod-workshop-index>
+</ion-content>

src/addon/mod/workshop/pages/index/index.module.ts

@@ -0,0 +1,33 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { IonicPageModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopComponentsModule } from '../../components/components.module';
+import { AddonModWorkshopIndexPage } from './index';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopIndexPage,
+    ],
+    imports: [
+        CoreDirectivesModule,
+        AddonModWorkshopComponentsModule,
+        IonicPageModule.forChild(AddonModWorkshopIndexPage),
+        TranslateModule.forChild()
+    ],
+})
+export class AddonModWorkshopIndexPageModule {}

src/addon/mod/workshop/pages/index/index.ts

@@ -0,0 +1,50 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, ViewChild } from '@angular/core';
+import { IonicPage, NavParams } from 'ionic-angular';
+import { AddonModWorkshopIndexComponent } from '../../components/index/index';
+
+/**
+ * Page that displays a workshop.
+ */
+@IonicPage({ segment: 'addon-mod-workshop-index' })
+@Component({
+    selector: 'page-addon-mod-workshop-index',
+    templateUrl: 'index.html',
+})
+export class AddonModWorkshopIndexPage {
+    @ViewChild(AddonModWorkshopIndexComponent) workshopComponent: AddonModWorkshopIndexComponent;
+
+    title: string;
+    module: any;
+    courseId: number;
+    selectedGroup: number;
+
+    constructor(navParams: NavParams) {
+        this.module = navParams.get('module') || {};
+        this.courseId = navParams.get('courseId');
+        this.selectedGroup = navParams.get('group') || 0;
+        this.title = this.module.name;
+    }
+
+    /**
+     * Update some data based on the workshop instance.
+     *
+     * @param {any} workshop Workshop instance.
+     */
+    updateData(workshop: any): void {
+        this.title = workshop.name || this.title;
+    }
+}

src/addon/mod/workshop/pages/phase/phase.html

@@ -0,0 +1,25 @@
+<ion-header>
+    <ion-navbar>
+        <ion-title>{{ 'addon.mod_workshop.selectphase' | translate }}</ion-title>
+        <ion-buttons end>
+            <button ion-button icon-only (click)="closeModal()" [attr.aria-label]="'core.close' | translate">
+                <ion-icon name="close"></ion-icon>
+            </button>
+        </ion-buttons>
+    </ion-navbar>
+</ion-header>
+<ion-content>
+    <ion-list radio-group [(ngModel)]="selected" (ionChange)="switchPhase()">
+        <ng-container *ngFor="let phase of phases">
+            <ion-item *ngIf="workshopPhase >= phase.code || phase.tasks.length || phase.switchUrl">
+                <ion-label>{{ phase.title }}
+                    <p text-wrap *ngIf="workshopPhase == phase.code">{{ 'addon.mod_workshop.userplancurrentphase' | translate }}</p>
+                </ion-label>
+                <ion-radio [value]="phase.code"></ion-radio>
+            </ion-item>
+            <ion-item *ngIf="!(workshopPhase >= phase.code || phase.tasks.length || phase.switchUrl)">
+                {{ phase.title }}
+            </ion-item>
+        </ng-container>
+    </ion-list>
+</ion-content>

src/addon/mod/workshop/pages/phase/phase.module.ts

@@ -0,0 +1,33 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { IonicPageModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopPhaseSelectorPage } from './phase';
+import { CoreCompileHtmlComponentModule } from '@core/compile/components/compile-html/compile-html.module';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopPhaseSelectorPage,
+    ],
+    imports: [
+        CoreDirectivesModule,
+        CoreCompileHtmlComponentModule,
+        IonicPageModule.forChild(AddonModWorkshopPhaseSelectorPage),
+        TranslateModule.forChild()
+    ],
+})
+export class AddonModWorkshopPhaseSelectorPageModule {}

src/addon/mod/workshop/pages/phase/phase.ts

@@ -0,0 +1,56 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component } from '@angular/core';
+import { IonicPage, NavParams, ViewController } from 'ionic-angular';
+
+/**
+ * Page that displays the phase selector modal.
+ */
+@IonicPage({ segment: 'addon-mod-workshop-phase-selector' })
+@Component({
+    selector: 'page-addon-mod-workshop-phase-selector',
+    templateUrl: 'phase.html',
+})
+export class AddonModWorkshopPhaseSelectorPage {
+    selected: number;
+    phases: any;
+    workshopPhase: number;
+    protected original: number;
+
+    constructor(params: NavParams, private viewCtrl: ViewController) {
+        this.selected = params.get('selected');
+        this.original = this.selected;
+        this.phases = params.get('phases');
+        this.workshopPhase = params.get('workshopPhase');
+    }
+
+    /**
+     * Close modal.
+     */
+    closeModal(): void {
+        this.viewCtrl.dismiss();
+    }
+
+    /**
+     * Select phase.
+     */
+    switchPhase(): void {
+        // This is a quick hack to avoid the first switch phase call done just when opening the modal.
+        if (this.original != this.selected) {
+            this.viewCtrl.dismiss(this.selected);
+        }
+        this.original = null;
+    }
+}

src/addon/mod/workshop/pages/submission/submission.html

@@ -0,0 +1,108 @@
+<ion-header>
+    <ion-navbar>
+        <ion-title><core-format-text [text]="title"></core-format-text></ion-title>
+        <ion-buttons end [hidden]="!loaded">
+            <button *ngIf="assessmentId" ion-button clear (click)="saveAssessment()" [attr.aria-label]="'core.save' | translate">
+                {{ 'core.save' | translate }}
+            </button>
+            <button *ngIf="canAddFeedback" ion-button clear (click)="saveEvaluation()" [attr.aria-label]="'core.save' | translate">
+                {{ 'core.save' | translate }}
+            </button>
+        </ion-buttons>
+    </ion-navbar>
+</ion-header>
+<ion-content>
+    <ion-refresher [enabled]="loaded" (ionRefresh)="refreshSubmission($event)">
+        <ion-refresher-content pullingText="{{ 'core.pulltorefresh' | translate }}"></ion-refresher-content>
+    </ion-refresher>
+    <core-loading [hideUntil]="loaded">
+        <ion-list *ngIf="submission">
+            <addon-mod-workshop-submission [submission]="submission" [courseId]="courseId" [module]="module" [workshop]="workshop" [access]="access"></addon-mod-workshop-submission>
+            <ion-item text-wrap *ngIf="canEdit || canDelete">
+                <button ion-button block icon-start *ngIf="canEdit" (click)="editSubmission()">
+                    <ion-icon name="create"></ion-icon>
+                    {{ 'addon.mod_workshop.editsubmission' | translate }}
+                </button>
+                <button ion-button block icon-start *ngIf="!submission.deleted && canDelete" color="danger" (click)="deleteSubmission()">
+                    <ion-icon name="trash"></ion-icon>
+                    {{ 'addon.mod_workshop.deletesubmission' | translate }}
+                </button>
+                <button ion-button block icon-start outline *ngIf="submission.deleted && canDelete" color="danger" (click)="undoDeleteSubmission()">
+                    <ion-icon name="undo"></ion-icon>
+                    {{ 'core.restore' | translate }}
+                </button>
+            </ion-item>
+        </ion-list>
+
+        <ion-list *ngIf="!canAddFeedback && evaluate && evaluate.text">
+            <ion-item text-wrap>
+                <ion-avatar item-start *ngIf="evaluateByProfile">
+                    <img [src]="evaluateByProfile.profileimageurl" core-external-content core-user-link [courseId]="courseId" [userId]="evaluateByProfile.id" [alt]="'core.pictureof' | translate:{$a: evaluateByProfile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+                </ion-avatar>
+                <h2 *ngIf="evaluateByProfile && evaluateByProfile.fullname">{{ 'addon.mod_workshop.feedbackby' | translate : {$a: evaluateByProfile.fullname} }}</h2>
+                <core-format-text [text]="evaluate.text"></core-format-text>
+            </ion-item>
+        </ion-list>
+
+        <ion-list *ngIf="ownAssessment && !assessment">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.yourassessment' | translate }}</h2>
+            </ion-item>
+            <addon-mod-workshop-assessment [submission]="submission" [assessment]="ownAssessment" [courseId]="courseId" summary="true" [access]="access" [module]="module" [workshop]="workshop"></addon-mod-workshop-assessment>
+        </ion-list>
+
+        <ion-list *ngIf="submissionInfo && submissionInfo.reviewedby && submissionInfo.reviewedby.length && !assessment">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.receivedgrades' | translate }}</h2>
+            </ion-item>
+            <ng-container *ngFor="let reviewer of submissionInfo.reviewedby">
+                <addon-mod-workshop-assessment *ngIf="!reviewer.ownAssessment" [submission]="submission" [assessment]="reviewer" [courseId]="courseId" summary="true" [access]="access" [workshop]="workshop"></addon-mod-workshop-assessment>
+            </ng-container>
+        </ion-list>
+
+        <ion-list *ngIf="submissionInfo && submissionInfo.reviewerof && submissionInfo.reviewerof.length && !assessment">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.givengrades' | translate }}</h2>
+            </ion-item>
+            <addon-mod-workshop-assessment *ngFor="let reviewer of submissionInfo.reviewerof" [assessment]="reviewer" [courseId]="courseId" summary="true" [workshop]="workshop" [access]="access"></addon-mod-workshop-assessment>
+        </ion-list>
+
+        <form ion-list [formGroup]="feedbackForm" *ngIf="canAddFeedback">
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.feedbackauthor' | translate }}</h2>
+            </ion-item>
+            <ion-item text-wrap *ngIf="access.canpublishsubmissions">
+                <ion-label>{{ 'addon.mod_workshop.publishsubmission' | translate }}</ion-label>
+                <ion-toggle formControlName="published"></ion-toggle>
+                <p class="item-help">{{ 'addon.mod_workshop.publishsubmission_help' | translate }}</p>
+            </ion-item>
+
+            <ion-item text-wrap>
+                <h2>{{ 'addon.mod_workshop.gradecalculated' | translate }}</h2>
+                <p>{{ submission.submissiongrade }}</p>
+            </ion-item>
+            <ion-item text-wrap>
+                <ion-label stacked>{{ 'addon.mod_workshop.gradeover' | translate }}</ion-label>
+                <ion-select formControlName="grade">
+                    <ion-option *ngFor="let grade of evaluationGrades" [value]="grade.value">{{grade.label}}</ion-option>
+                </ion-select>
+            </ion-item>
+            <ion-item>
+                <ion-label stacked>{{ 'addon.mod_workshop.feedbackauthor' | translate }}</ion-label>
+                <core-rich-text-editor item-content [control]="feedbackForm.controls['text']" formControlName="text"></core-rich-text-editor>
+            </ion-item>
+        </form>
+
+        <addon-mod-workshop-assessment-strategy *ngIf="assessmentId" [workshop]="workshop" [access]="access" [assessmentId]="assessmentId" [userId]="assessmentUserId" [strategy]="strategy" [edit]="access.assessingallowed"></addon-mod-workshop-assessment-strategy>
+
+        <ion-list *ngIf="assessmentId && !access.assessingallowed && assessment.feedbackreviewer">
+            <ion-item text-wrap>
+                <ion-avatar item-start *ngIf="evaluateGradingByProfile">
+                    <img [src]="evaluateGradingByProfile.profileimageurl" core-external-content core-user-link [courseId]="courseId" [userId]="evaluateGradingByProfile.id" [alt]="'core.pictureof' | translate:{$a: evaluateGradingByProfile.fullname}" role="presentation" onError="this.src='assets/img/user-avatar.png'">
+                </ion-avatar>
+                <h2 *ngIf="evaluateGradingByProfile && evaluateGradingByProfile.fullname">{{ 'addon.mod_workshop.feedbackby' | translate : {$a: evaluateGradingByProfile.fullname} }}</h2>
+                <core-format-text [text]="assessment.feedbackreviewer"></core-format-text>
+            </ion-item>
+        </ion-list>
+    </core-loading>
+</ion-content>

src/addon/mod/workshop/pages/submission/submission.module.ts

@@ -0,0 +1,35 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { IonicPageModule } from 'ionic-angular';
+import { TranslateModule } from '@ngx-translate/core';
+import { CoreComponentsModule } from '@components/components.module';
+import { CoreDirectivesModule } from '@directives/directives.module';
+import { AddonModWorkshopComponentsModule } from '../../components/components.module';
+import { AddonModWorkshopSubmissionPage } from './submission';
+
+@NgModule({
+    declarations: [
+        AddonModWorkshopSubmissionPage,
+    ],
+    imports: [
+        CoreDirectivesModule,
+        CoreComponentsModule,
+        AddonModWorkshopComponentsModule,
+        IonicPageModule.forChild(AddonModWorkshopSubmissionPage),
+        TranslateModule.forChild()
+    ],
+})
+export class AddonModWorkshopSubmissionPageModule {}

src/addon/mod/workshop/pages/submission/submission.ts

@@ -0,0 +1,524 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit, OnDestroy, Optional, ViewChild } from '@angular/core';
+import { Content, IonicPage, NavParams, NavController } from 'ionic-angular';
+import { FormGroup, FormBuilder } from '@angular/forms';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreSyncProvider } from '@providers/sync';
+import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreCourseProvider } from '@core/course/providers/course';
+import { CoreUserProvider } from '@core/user/providers/user';
+import { CoreGradesHelperProvider } from '@core/grades/providers/helper';
+import { AddonModWorkshopAssessmentStrategyComponent } from '../../components/assessment-strategy/assessment-strategy';
+import { AddonModWorkshopProvider } from '../../providers/workshop';
+import { AddonModWorkshopHelperProvider } from '../../providers/helper';
+import { AddonModWorkshopOfflineProvider } from '../../providers/offline';
+import { AddonModWorkshopSyncProvider } from '../../providers/sync';
+
+/**
+ * Page that displays a workshop submission.
+ */
+@IonicPage({ segment: 'addon-mod-workshop-submission' })
+@Component({
+    selector: 'page-addon-mod-workshop-submission-page',
+    templateUrl: 'submission.html',
+})
+export class AddonModWorkshopSubmissionPage implements OnInit, OnDestroy {
+
+    @ViewChild(AddonModWorkshopAssessmentStrategyComponent) assessmentStrategy: AddonModWorkshopAssessmentStrategyComponent;
+
+    module: any;
+    workshop: any;
+    access: any;
+    assessment: any;
+    submissionInfo: any;
+    submission: any;
+
+    courseId: number;
+    profile: any;
+
+    title: string;
+    loaded = false;
+    ownAssessment = false;
+    strategy: any;
+    assessmentId: number;
+    assessmentUserId: number;
+    evaluate: any;
+    canAddFeedback = false;
+    canEdit = false;
+    canDelete = false;
+    evaluationGrades: any;
+    evaluateGradingByProfile: any;
+    evaluateByProfile: any;
+    feedbackForm: FormGroup; // The form group.
+
+    protected submissionId: number;
+    protected workshopId: number;
+    protected currentUserId: number;
+    protected userId: number;
+    protected siteId: string;
+    protected originalEvaluation = {
+        published: '',
+        text: '',
+        grade: ''
+    };
+    protected hasOffline = false;
+    protected component = AddonModWorkshopProvider.COMPONENT;
+    protected forceLeave = false;
+    protected obsAssessmentSaved: any;
+    protected syncObserver: any;
+    protected isDestroyed = false;
+
+    constructor(navParams: NavParams, sitesProvider: CoreSitesProvider, protected workshopProvider: AddonModWorkshopProvider,
+            protected workshopOffline: AddonModWorkshopOfflineProvider, protected syncProvider: CoreSyncProvider,
+            protected workshopHelper: AddonModWorkshopHelperProvider, protected navCtrl: NavController,
+            protected textUtils: CoreTextUtilsProvider, protected domUtils: CoreDomUtilsProvider, protected fb: FormBuilder,
+            protected translate: TranslateService, protected eventsProvider: CoreEventsProvider,
+            protected courseProvider: CoreCourseProvider, @Optional() protected content: Content,
+            protected gradesHelper: CoreGradesHelperProvider, protected userProvider: CoreUserProvider) {
+        this.module = navParams.get('module');
+        this.workshop = navParams.get('workshop');
+        this.access = navParams.get('access');
+        this.courseId = navParams.get('courseId');
+        this.profile = navParams.get('profile');
+        this.submissionInfo = navParams.get('submission') || {};
+        this.assessment = navParams.get('assessment') || null;
+
+        this.title = this.module.name;
+        this.workshopId = this.module.instance;
+        this.currentUserId = sitesProvider.getCurrentSiteUserId();
+        this.siteId = sitesProvider.getCurrentSiteId();
+        this.submissionId = this.submissionInfo.submissionid || this.submissionInfo.id;
+        this.userId = this.submissionInfo.userid || null;
+        this.strategy = (this.assessment && this.assessment.strategy) || (this.workshop && this.workshop.strategy);
+        this.assessmentId = this.assessment && (this.assessment.assessmentid || this.assessment.id);
+        this.assessmentUserId = this.assessment && (this.assessment.reviewerid || this.assessment.userid);
+
+        this.feedbackForm = new FormGroup({});
+        this.feedbackForm.addControl('published', this.fb.control(''));
+        this.feedbackForm.addControl('grade', this.fb.control(''));
+        this.feedbackForm.addControl('text', this.fb.control(''));
+
+        this.obsAssessmentSaved = this.eventsProvider.on(AddonModWorkshopProvider.ASSESSMENT_SAVED, (data) => {
+            this.eventReceived(data);
+        }, this.siteId);
+
+        // Refresh workshop on sync.
+        this.syncObserver = this.eventsProvider.on(AddonModWorkshopSyncProvider.AUTO_SYNCED, (data) => {
+            // Update just when all database is synced.
+            this.eventReceived(data);
+        }, this.siteId);
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        this.fetchSubmissionData().then(() => {
+            this.workshopProvider.logViewSubmission(this.submissionId).then(() => {
+                this.courseProvider.checkModuleCompletion(this.courseId, this.module.completionstatus);
+            });
+        });
+    }
+
+    /**
+     * Check if we can leave the page or not.
+     *
+     * @return {boolean|Promise<void>} Resolved if we can leave it, rejected if not.
+     */
+    ionViewCanLeave(): boolean | Promise<void> {
+        const assessmentHasChanged = this.assessmentStrategy && this.assessmentStrategy.hasDataChanged();
+        if (this.forceLeave || (!this.hasEvaluationChanged() && !assessmentHasChanged)) {
+            return true;
+        }
+
+        // Show confirmation if some data has been modified.
+        return this.domUtils.showConfirm(this.translate.instant('core.confirmcanceledit'));
+    }
+
+    /**
+     * Goto edit submission page.
+     */
+     editSubmission(): void {
+        const params = {
+            module: module,
+            access: this.access,
+            courseid: this.courseId,
+            submissionId: this.submission.id
+        };
+
+        this.navCtrl.push('AddonModWorkshopEditSubmissionPage', params);
+    }
+
+    /**
+     * Function called when we receive an event of submission changes.
+     *
+     * @param {any} data Event data received.
+     */
+    protected eventReceived(data: any): void {
+        if (this.workshopId === data.workshopId) {
+            this.content && this.content.scrollToTop();
+
+            this.loaded = false;
+            this.refreshAllData();
+        }
+    }
+
+    /**
+     * Fetch the submission data.
+     *
+     * @return {Promise<void>} Resolved when done.
+     */
+    protected fetchSubmissionData(): Promise<void> {
+        return this.workshopHelper.getSubmissionById(this.workshopId, this.submissionId).then((submissionData) => {
+            const promises = [];
+
+            this.submission = submissionData;
+            this.submission.attachmentfiles = submissionData.attachmentfiles || [];
+            this.submission.submissiongrade = this.submissionInfo && this.submissionInfo.submissiongrade;
+            this.submission.gradinggrade = this.submissionInfo && this.submissionInfo.gradinggrade;
+            this.submission.submissiongradeover = this.submissionInfo && this.submissionInfo.submissiongradeover;
+            this.userId = submissionData.authorid || this.userId;
+            this.canEdit = this.currentUserId == this.userId && this.access.cansubmit && this.access.modifyingsubmissionallowed;
+            this.canDelete = this.access.candeletesubmissions;
+            this.canAddFeedback = !this.assessmentId && this.workshop.phase > AddonModWorkshopProvider.PHASE_ASSESSMENT &&
+                this.workshop.phase < AddonModWorkshopProvider.PHASE_CLOSED && this.access.canoverridegrades;
+            this.ownAssessment = false;
+
+            if (this.access.canviewallassessments) {
+                // Get new data, different that came from stateParams.
+                promises.push(this.workshopProvider.getSubmissionAssessments(this.workshopId, this.submissionId)
+                        .then((subAssessments) => {
+                    // Only allow the student to delete their own submission if it's still editable and hasn't been assessed.
+                    if (this.canDelete) {
+                        this.canDelete = !subAssessments.length;
+                    }
+
+                    this.submissionInfo.reviewedby = subAssessments;
+
+                    this.submissionInfo.reviewedby.forEach((assessment) => {
+                        assessment.userid = assessment.reviewerid;
+                        assessment = this.workshopHelper.realGradeValue(this.workshop, assessment);
+
+                        if (this.currentUserId == assessment.userid) {
+                            this.ownAssessment = assessment;
+                            assessment.ownAssessment = true;
+                        }
+                    });
+                }));
+            } else if (this.currentUserId == this.userId && this.assessmentId) {
+                // Get new data, different that came from stateParams.
+                promises.push(this.workshopProvider.getAssessment(this.workshopId, this.assessmentId).then((assessment) => {
+                    // Only allow the student to delete their own submission if it's still editable and hasn't been assessed.
+                    if (this.canDelete) {
+                        this.canDelete = !assessment;
+                    }
+
+                    assessment.userid = assessment.reviewerid;
+                    assessment = this.workshopHelper.realGradeValue(this.workshop, assessment);
+
+                    if (this.currentUserId == assessment.userid) {
+                        this.ownAssessment = assessment;
+                        assessment.ownAssessment = true;
+                    }
+
+                    this.submissionInfo.reviewedby = [assessment];
+                }));
+            }
+
+            if (this.canAddFeedback || this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED) {
+                this.evaluate = {
+                    published: submissionData.published,
+                    text: submissionData.feedbackauthor || ''
+                };
+            }
+
+            if (this.canAddFeedback) {
+
+                if (!this.isDestroyed) {
+                    // Block the workshop.
+                    this.syncProvider.blockOperation(this.component, this.workshopId);
+                }
+
+                const defaultGrade = this.translate.instant('addon.mod_workshop.notoverridden');
+
+                promises.push(this.gradesHelper.makeGradesMenu(this.workshop.grade, this.workshopId, defaultGrade, -1)
+                        .then((grades) => {
+                    this.evaluationGrades = grades;
+
+                    this.evaluate.grade = {
+                        label: this.gradesHelper.getGradeLabelFromValue(grades, this.submissionInfo.submissiongradeover) ||
+                            defaultGrade,
+                        value: this.submissionInfo.submissiongradeover || -1
+                    };
+
+                    return this.workshopOffline.getEvaluateSubmission(this.workshopId, this.submissionId)
+                            .then((offlineSubmission) => {
+                        this.hasOffline = true;
+                        this.evaluate.published = offlineSubmission.published;
+                        this.evaluate.text = offlineSubmission.feedbacktext;
+                        this.evaluate.grade = {
+                            label: this.gradesHelper.getGradeLabelFromValue(grades, offlineSubmission.gradeover) || defaultGrade,
+                            value: offlineSubmission.gradeover || -1
+                        };
+                    }).catch(() => {
+                        this.hasOffline = false;
+                        // Ignore errors.
+                    }).finally(() => {
+                        this.originalEvaluation.published = this.evaluate.published;
+                        this.originalEvaluation.text = this.evaluate.text;
+                        this.originalEvaluation.grade = this.evaluate.grade.value;
+
+                        this.feedbackForm.controls['published'].setValue(this.evaluate.published);
+                        this.feedbackForm.controls['grade'].setValue(this.evaluate.grade.value);
+                        this.feedbackForm.controls['text'].setValue(this.evaluate.text);
+                    });
+                }));
+            } else if (this.workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED && submissionData.gradeoverby) {
+                promises.push(this.userProvider.getProfile(submissionData.gradeoverby, this.courseId, true).then((profile) => {
+                    this.evaluateByProfile = profile;
+                }));
+            }
+
+            if (this.assessmentId && !this.access.assessingallowed && this.assessment.feedbackreviewer &&
+                    this.assessment.gradinggradeoverby) {
+                promises.push(this.userProvider.getProfile(this.assessment.gradinggradeoverby, this.courseId, true)
+                        .then((profile) => {
+                    this.evaluateGradingByProfile = profile;
+                }));
+            }
+
+            return Promise.all(promises);
+        }).then(() => {
+            return this.workshopOffline.getSubmissions(this.workshopId).then((submissionsActions) => {
+                const actions = this.workshopHelper.filterSubmissionActions(submissionsActions, this.submissionId);
+
+                return this.workshopHelper.applyOfflineData(this.submission, actions).then((submission) => {
+                    this.submission = submission;
+                });
+            });
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'core.course.errorgetmodule', true);
+        }).finally(() => {
+            this.loaded = true;
+        });
+    }
+
+    /**
+     * Force leaving the page, without checking for changes.
+     */
+    protected forceLeavePage(): void {
+        this.forceLeave = true;
+        this.navCtrl.pop();
+    }
+
+    /**
+     * Check if data has changed.
+     *
+     * @return {boolean} True if changed, false otherwise.
+     */
+    protected hasEvaluationChanged(): boolean {
+        if (!this.loaded || !this.access.canoverridegrades) {
+            return false;
+        }
+
+        const inputData = this.feedbackForm.value;
+
+        if (this.originalEvaluation.published != inputData.published) {
+            return true;
+        }
+
+        if (this.originalEvaluation.text != inputData.text) {
+            return true;
+        }
+
+        if (this.originalEvaluation.grade != inputData.grade) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Convenience function to refresh all the data.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected refreshAllData(): Promise<any> {
+        const promises = [];
+
+        promises.push(this.workshopProvider.invalidateSubmissionData(this.workshopId, this.submissionId));
+        promises.push(this.workshopProvider.invalidateSubmissionsData(this.workshopId));
+        promises.push(this.workshopProvider.invalidateSubmissionAssesmentsData(this.workshopId, this.submissionId));
+
+        if (this.assessmentId) {
+            promises.push(this.workshopProvider.invalidateAssessmentFormData(this.workshopId, this.assessmentId));
+            promises.push(this.workshopProvider.invalidateAssessmentData(this.workshopId, this.assessmentId));
+        }
+
+        return Promise.all(promises).finally(() => {
+            this.eventsProvider.trigger(AddonModWorkshopProvider.ASSESSMENT_INVALIDATED, this.siteId);
+
+            return this.fetchSubmissionData();
+        });
+    }
+
+    /**
+     * Pull to refresh.
+     *
+     * @param {any} refresher Refresher.
+     */
+    refreshSubmission(refresher: any): void {
+        if (this.loaded) {
+            this.refreshAllData().finally(() => {
+                refresher.complete();
+            });
+        }
+    }
+
+    /**
+     * Save the assessment.
+     */
+    saveAssessment(): void {
+        if (this.assessmentStrategy && this.assessmentStrategy.hasDataChanged()) {
+            this.assessmentStrategy.saveAssessment().then(() => {
+                this.forceLeavePage();
+            }).catch(() => {
+                // Error, stay on the page.
+            });
+        } else {
+            // Nothing to save, just go back.
+            this.forceLeavePage();
+        }
+    }
+
+    /**
+     * Save the submission evaluation.
+     */
+    saveEvaluation(): void {
+        // Check if data has changed.
+        if (this.hasEvaluationChanged()) {
+            this.sendEvaluation().then(() => {
+                this.forceLeavePage();
+            });
+        } else {
+            // Nothing to save, just go back.
+            this.forceLeavePage();
+        }
+    }
+
+    /**
+     * Sends the evaluation to be saved on the server.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    protected sendEvaluation(): Promise<any> {
+        const modal = this.domUtils.showModalLoading('core.sending', true);
+
+        // Check if rich text editor is enabled or not.
+        return this.domUtils.isRichTextEditorEnabled().then((rteEnabled) => {
+            const inputData = this.feedbackForm.value;
+
+            inputData.grade = inputData.grade >= 0 ? inputData.grade : '';
+            if (!rteEnabled) {
+                // Rich text editor not enabled, add some HTML to the message if needed.
+                inputData.text = this.textUtils.formatHtmlLines(inputData.text);
+            }
+
+            // Try to send it to server.
+            return this.workshopProvider.evaluateSubmission(this.workshopId, this.submissionId, this.courseId, inputData.text,
+                inputData.published, inputData.grade);
+        }).then(() => {
+            const data = {
+                workshopId: this.workshopId,
+                cmId: this.module.cmid,
+                submissionId: this.submissionId
+            };
+
+            return this.workshopProvider.invalidateSubmissionData(this.workshopId, this.submissionId).finally(() => {
+                this.eventsProvider.trigger(AddonModWorkshopProvider.SUBMISSION_CHANGED, data, this.siteId);
+            });
+        }).catch((message) => {
+            this.domUtils.showErrorModalDefault(message, 'Cannot save submission evaluation');
+        }).finally(() => {
+            modal.dismiss();
+        });
+    }
+
+    /**
+     * Perform the submission delete action.
+     */
+    deleteSubmission(): void {
+        this.domUtils.showConfirm(this.translate.instant('addon.mod_workshop.submissiondeleteconfirm')).then(() => {
+            const modal = this.domUtils.showModalLoading('core.deleting', true);
+            let success = false;
+            this.workshopProvider.deleteSubmission(this.workshopId, this.submissionId, this.courseId).then(() => {
+                success = true;
+
+                return this.workshopProvider.invalidateSubmissionData(this.workshopId, this.submissionId);
+            }).catch((error) => {
+                this.domUtils.showErrorModalDefault(error, 'Cannot delete submission');
+            }).finally(() => {
+                modal.dismiss();
+                if (success) {
+                    const data = {
+                        workshopId: this.workshopId,
+                        cmId: this.module.cmid,
+                        submissionId: this.submissionId
+                    };
+
+                    this.eventsProvider.trigger(AddonModWorkshopProvider.SUBMISSION_CHANGED, data, this.siteId);
+
+                    this.forceLeavePage();
+                }
+            });
+        });
+    }
+
+    /**
+     * Undo the submission delete action.
+     *
+     * @return {Promise<any>} Resolved when done.
+     */
+    undoDeleteSubmission(): Promise<any> {
+        return this.workshopOffline.deleteSubmissionAction(this.workshopId, this.submissionId, 'delete').finally(() => {
+
+            const data = {
+                workshopId: this.workshopId,
+                cmId: this.module.cmid,
+                submissionId: this.submissionId
+            };
+
+            this.eventsProvider.trigger(AddonModWorkshopProvider.SUBMISSION_CHANGED, data, this.siteId);
+
+            return this.refreshAllData();
+        });
+    }
+
+    /**
+     * Component being destroyed.
+     */
+    ngOnDestroy(): void {
+        this.isDestroyed = true;
+
+        this.syncObserver && this.syncObserver.off();
+        this.obsAssessmentSaved && this.obsAssessmentSaved.off();
+        // Restore original back functions.
+        this.syncProvider.unblockOperation(this.component, this.workshopId);
+    }
+}

src/addon/mod/workshop/providers/assessment-strategy-delegate.ts

@@ -0,0 +1,138 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { CoreDelegate, CoreDelegateHandler } from '@classes/delegate';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreLoggerProvider } from '@providers/logger';
+import { CoreSitesProvider } from '@providers/sites';
+
+/**
+ * Interface that all assessment strategy handlers must implement.
+ */
+export interface AddonWorkshopAssessmentStrategyHandler extends CoreDelegateHandler {
+    /**
+     * The name of the assessment strategy. E.g. 'accumulative'.
+     * @type {string}
+     */
+    strategyName: string;
+
+    /**
+     * Return the Component to render the plugin.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent?(injector: Injector): any | Promise<any>;
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId WorkShop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues?(form: any, workshopId: number): Promise<any[]>;
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged?(originalValues: any[], currentValues: any[]): boolean;
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any>;
+}
+
+/**
+ * Delegate to register workshop assessment strategy handlers.
+ * You can use this service to register your own assessment strategy handlers to be used in a workshop.
+ */
+ @Injectable()
+ export class AddonWorkshopAssessmentStrategyDelegate extends CoreDelegate {
+
+     protected handlerNameProperty = 'strategyName';
+
+     constructor(protected loggerProvider: CoreLoggerProvider, protected sitesProvider: CoreSitesProvider,
+             protected eventsProvider: CoreEventsProvider) {
+         super('AddonWorkshopAssessmentStrategyDelegate', loggerProvider, sitesProvider, eventsProvider);
+     }
+
+    /**
+     * Check if an assessment strategy plugin is supported.
+     *
+     * @param  {string} workshopStrategy Assessment strategy name.
+     * @return {boolean}                 True if supported, false otherwise.
+     */
+    isPluginSupported(workshopStrategy: string): boolean {
+        return this.hasHandler(workshopStrategy, true);
+    }
+
+    /**
+     * Get the directive to use for a certain assessment strategy plugin.
+     *
+     * @param {Injector} injector Injector.
+     * @param  {string} workshopStrategy Assessment strategy name.
+     * @return {any}                     The component, undefined if not found.
+     */
+    getComponentForPlugin(injector: Injector, workshopStrategy: string): Promise<any> {
+        return this.executeFunctionOnEnabled(workshopStrategy, 'getComponent', [injector]);
+    }
+
+    /**
+     * Prepare original values to be shown and compared depending on the strategy selected.
+     *
+     * @param  {string} workshopStrategy Workshop strategy.
+     * @param  {any}    form             Original data of the form.
+     * @param  {number} workshopId       Workshop ID.
+     * @return {Promise<any[]>}          Resolved with original values sorted.
+     */
+    getOriginalValues(workshopStrategy: string, form: any, workshopId: number): Promise<any[]> {
+        return Promise.resolve(this.executeFunctionOnEnabled(workshopStrategy, 'getOriginalValues', [form, workshopId]) || []);
+    }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any}   workshop       Workshop.
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(workshop: any, originalValues: any[], currentValues: any[]): boolean {
+        return this.executeFunctionOnEnabled(workshop.strategy, 'hasDataChanged', [originalValues, currentValues]) || false;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {string} workshopStrategy Workshop strategy to follow.
+     * @param  {any{}}  currentValues    Current values of the form.
+     * @param  {any}    form             Assessment form data.
+     * @return {Promise<any>}            Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(workshopStrategy: string, currentValues: any, form: any): Promise<any> {
+        return Promise.resolve(this.executeFunctionOnEnabled(workshopStrategy, 'prepareAssessmentData', [currentValues, form]));
+    }
+}

src/addon/mod/workshop/providers/helper.ts

@@ -0,0 +1,534 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreFileProvider } from '@providers/file';
+import { CoreFileUploaderProvider } from '@core/fileuploader/providers/fileuploader';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreUtilsProvider } from '@providers/utils/utils';
+import { AddonModWorkshopProvider } from './workshop';
+import { AddonModWorkshopOfflineProvider } from './offline';
+import { AddonWorkshopAssessmentStrategyDelegate } from './assessment-strategy-delegate';
+
+/**
+ * Helper to gather some common functions for workshop.
+ */
+@Injectable()
+export class AddonModWorkshopHelperProvider {
+
+    constructor(
+            private translate: TranslateService,
+            private fileProvider: CoreFileProvider,
+            private uploaderProvider: CoreFileUploaderProvider,
+            private sitesProvider: CoreSitesProvider,
+            private textUtils: CoreTextUtilsProvider,
+            private utils: CoreUtilsProvider,
+            private workshopProvider: AddonModWorkshopProvider,
+            private workshopOffline: AddonModWorkshopOfflineProvider,
+            private strategyDelegate: AddonWorkshopAssessmentStrategyDelegate) {}
+
+    /**
+     * Get a task by code.
+     *
+     * @param  {any[]}  tasks    Array of tasks.
+     * @param  {string} taskCode Unique task code.
+     * @return {any}             Task requested
+     */
+    getTask(tasks: any[], taskCode: string): any {
+        for (const x in tasks) {
+            if (tasks[x].code == taskCode) {
+                return tasks[x];
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Check is task code is done.
+     *
+     * @param  {any[]}  tasks    Array of tasks.
+     * @param  {string} taskCode Unique task code.
+     * @return {boolean}         True if task is completed.
+     */
+    isTaskDone(tasks: any[], taskCode: string): boolean {
+        const task = this.getTask(tasks, taskCode);
+
+        if (task) {
+            return task.completed;
+        }
+
+        // Task not found, assume true.
+        return true;
+    }
+
+    /**
+     * Return if a user can submit a workshop.
+     *
+     * @param  {any}   workshop Workshop info.
+     * @param  {any}   access   Access information.
+     * @param  {any[]} tasks    Array of tasks.
+     * @return {boolean}        True if the user can submit the workshop.
+     */
+    canSubmit(workshop: any, access: any, tasks: any[]): boolean {
+        const examplesMust = workshop.useexamples && workshop.examplesmode == AddonModWorkshopProvider.EXAMPLES_BEFORE_SUBMISSION;
+        const examplesDone = access.canmanageexamples || workshop.examplesmode == AddonModWorkshopProvider.EXAMPLES_VOLUNTARY ||
+                this.isTaskDone(tasks, 'examples');
+
+        return workshop.phase > AddonModWorkshopProvider.PHASE_SETUP && access.cansubmit && (!examplesMust || examplesDone);
+    }
+
+    /**
+     * Return if a user can assess a workshop.
+     *
+     * @param  {any} workshop Workshop info.
+     * @param  {any} access   Access information.
+     * @return {boolean}      True if the user can assess the workshop.
+     */
+    canAssess(workshop: any, access: any): boolean {
+        const examplesMust = workshop.useexamples && workshop.examplesmode == AddonModWorkshopProvider.EXAMPLES_BEFORE_ASSESSMENT;
+        const examplesDone = access.canmanageexamples;
+
+        return !examplesMust || examplesDone;
+    }
+
+    /**
+     * Return a particular user submission from the submission list.
+     *
+     * @param  {number} workshopId Workshop ID.
+     * @param  {number} [userId]   User ID. If not defined current user Id.
+     * @return {Promise<any>}      Resolved with the submission, resolved with false if not found.
+     */
+    getUserSubmission(workshopId: number, userId: number = 0): Promise<any> {
+        return this.workshopProvider.getSubmissions(workshopId).then((submissions) => {
+            userId = userId || this.sitesProvider.getCurrentSiteUserId();
+
+            for (const x in submissions) {
+                if (submissions[x].authorid == userId) {
+                    return submissions[x];
+                }
+            }
+
+            return false;
+        });
+    }
+
+    /**
+     * Return a particular submission. It will use prefetched data if fetch fails.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} submissionId Submission ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Resolved with the submission, resolved with false if not found.
+     */
+    getSubmissionById(workshopId: number, submissionId: number, siteId?: string): Promise<any> {
+        return this.workshopProvider.getSubmission(workshopId, submissionId, siteId).catch(() => {
+            return this.workshopProvider.getSubmissions(workshopId, undefined, undefined, undefined, undefined, siteId)
+                    .then((submissions) => {
+                for (const x in submissions) {
+                    if (submissions[x].id == submissionId) {
+                        return submissions[x];
+                    }
+                }
+
+                return false;
+            });
+        });
+    }
+
+    /**
+     * Return a particular assesment. It will use prefetched data if fetch fails. It will add assessment form data.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {number} [userId]     User ID. If not defined, current user.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Resolved with the assessment.
+     */
+    getReviewerAssessmentById(workshopId: number, assessmentId: number, userId: number = 0, siteId?: string): Promise<any> {
+        return this.workshopProvider.getAssessment(workshopId, assessmentId, siteId).catch(() => {
+            return this.workshopProvider.getReviewerAssessments(workshopId, userId, undefined, undefined, siteId)
+                    .then((assessments) => {
+                for (const x in assessments) {
+                    if (assessments[x].id == assessmentId) {
+                        return assessments[x];
+                    }
+                }
+
+                return false;
+            });
+        }).then((assessment) => {
+            if (!assessment) {
+                return false;
+            }
+
+            return this.workshopProvider.getAssessmentForm(workshopId, assessmentId, undefined, undefined, undefined, siteId)
+                    .then((assessmentForm) => {
+                assessment.form = assessmentForm;
+
+                return assessment;
+            });
+        });
+    }
+
+    /**
+     * Retrieves the assessment of the given user and all the related data.
+     *
+     * @param  {number}  workshopId          Workshop ID.
+     * @param  {number}  [userId=0]          User ID. If not defined, current user.
+     * @param  {boolean} [offline=false]     True if it should return cached data. Has priority over ignoreCache.
+     * @param  {boolean} [ignoreCache=false] True if it should ignore cached data (it will always fail in offline or server down).
+     * @param  {string}  [siteId]            Site ID. If not defined, current site.
+     * @return {Promise<any[]>}              Promise resolved when the workshop data is retrieved.
+     */
+    getReviewerAssessments(workshopId: number, userId: number = 0, offline: boolean = false, ignoreCache: boolean = false,
+            siteId?: string): Promise<any[]> {
+        siteId = siteId || this.sitesProvider.getCurrentSiteId();
+
+        return this.workshopProvider.getReviewerAssessments(workshopId, userId, offline, ignoreCache, siteId)
+                .then((assessments) => {
+            const promises = assessments.map((assessment) => {
+                return this.getSubmissionById(workshopId, assessment.submissionid, siteId).then((submission) => {
+                    assessment.submission = submission;
+                });
+            });
+
+            return Promise.all(promises).then(() => {
+                return assessments;
+            });
+        });
+    }
+
+    /**
+     * Delete stored attachment files for a submission.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved when deleted.
+     */
+    deleteSubmissionStoredFiles(workshopId: number, submissionId: number, editing: boolean, siteId?: string): Promise<any> {
+        return this.workshopOffline.getSubmissionFolder(workshopId, submissionId, editing, siteId).then((folderPath) => {
+            return this.fileProvider.removeDir(folderPath).catch(() => {
+                // Ignore any errors, CoreFileProvider.removeDir fails if folder doesn't exists.
+            });
+        });
+    }
+
+    /**
+     * Given a list of files (either online files or local files), store the local files in a local folder
+     * to be submitted later.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {any[]}   files        List of files.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved if success, rejected otherwise.
+     */
+    storeSubmissionFiles(workshopId: number, submissionId: number, editing: boolean, files: any[], siteId?: string): Promise<any> {
+        // Get the folder where to store the files.
+        return this.workshopOffline.getSubmissionFolder(workshopId, submissionId, editing, siteId).then((folderPath) => {
+            return this.uploaderProvider.storeFilesToUpload(folderPath, files);
+        });
+    }
+
+    /**
+     * Upload or store some files for a submission, depending if the user is offline or not.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {any[]}   files        List of files.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {boolean} offline      True if files sould be stored for offline, false to upload them.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved if success.
+     */
+    uploadOrStoreSubmissionFiles(workshopId: number, submissionId: number, files: any[], editing: boolean, offline: boolean,
+            siteId?: string): Promise<any> {
+        if (offline) {
+            return this.storeSubmissionFiles(workshopId, submissionId, editing, files, siteId);
+        } else {
+            return this.uploaderProvider.uploadOrReuploadFiles(files, AddonModWorkshopProvider.COMPONENT, workshopId, siteId);
+        }
+    }
+
+    /**
+     * Get a list of stored attachment files for a submission. See AddonModWorkshopHelperProvider#storeFiles.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any[]>}       Promise resolved with the files.
+     */
+    getStoredSubmissionFiles(workshopId: number, submissionId: number, editing: boolean, siteId?: string): Promise<any[]> {
+        return this.workshopOffline.getSubmissionFolder(workshopId, submissionId, editing, siteId).then((folderPath) => {
+            return this.uploaderProvider.getStoredFiles(folderPath).catch(() => {
+                // Ignore not found files.
+                return [];
+            });
+        });
+    }
+
+    /**
+     * Get a list of stored attachment files for a submission and online files also. See AddonModWorkshopHelperProvider#storeFiles.
+     *
+     * @param  {any}     filesObject  Files object combining offline and online information.
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any[]>}       Promise resolved with the files.
+     */
+    getSubmissionFilesFromOfflineFilesObject(filesObject: any, workshopId: number, submissionId: number, editing: boolean,
+            siteId?: string): Promise<any[]> {
+        return this.workshopOffline.getSubmissionFolder(workshopId, submissionId, editing, siteId).then((folderPath) => {
+            return this.uploaderProvider.getStoredFilesFromOfflineFilesObject(filesObject, folderPath);
+        });
+    }
+
+    /**
+     * Delete stored attachment files for an assessment.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved when deleted.
+     */
+    deleteAssessmentStoredFiles(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.workshopOffline.getAssessmentFolder(workshopId, assessmentId, siteId).then((folderPath) => {
+            return this.fileProvider.removeDir(folderPath).catch(() => {
+                // Ignore any errors, CoreFileProvider.removeDir fails if folder doesn't exists.
+            });
+        });
+    }
+
+    /**
+     * Given a list of files (either online files or local files), store the local files in a local folder
+     * to be submitted later.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {any[]}  files        List of files.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if success, rejected otherwise.
+     */
+    storeAssessmentFiles(workshopId: number, assessmentId: number, files: any[], siteId?: string): Promise<any> {
+        // Get the folder where to store the files.
+        return this.workshopOffline.getAssessmentFolder(workshopId, assessmentId, siteId).then((folderPath) => {
+            return this.uploaderProvider.storeFilesToUpload(folderPath, files);
+        });
+    }
+
+    /**
+     * Upload or store some files for an assessment, depending if the user is offline or not.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  assessmentId ID.
+     * @param  {any[]}   files        List of files.
+     * @param  {boolean} offline      True if files sould be stored for offline, false to upload them.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved if success.
+     */
+    uploadOrStoreAssessmentFiles(workshopId: number, assessmentId: number, files: any[], offline: boolean, siteId?: string):
+            Promise<any> {
+        if (offline) {
+            return this.storeAssessmentFiles(workshopId, assessmentId, files, siteId);
+        } else {
+            return this.uploaderProvider.uploadOrReuploadFiles(files, AddonModWorkshopProvider.COMPONENT, workshopId, siteId);
+        }
+    }
+
+    /**
+     * Get a list of stored attachment files for an assessment. See AddonModWorkshopHelperProvider#storeFiles.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the files.
+     */
+    getStoredAssessmentFiles(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.workshopOffline.getAssessmentFolder(workshopId, assessmentId, siteId).then((folderPath) => {
+            return this.uploaderProvider.getStoredFiles(folderPath).catch(() => {
+                // Ignore not found files.
+                return [];
+            });
+        });
+    }
+
+    /**
+     * Get a list of stored attachment files for an assessment and online files also. See AddonModWorkshopHelperProvider#storeFiles.
+     *
+     * @param  {object} filesObject  Files object combining offline and online information.
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the files.
+     */
+    getAssessmentFilesFromOfflineFilesObject(filesObject: any, workshopId: number, assessmentId: number, siteId?: string):
+            Promise<any> {
+        return this.workshopOffline.getAssessmentFolder(workshopId, assessmentId, siteId).then((folderPath) => {
+            return this.uploaderProvider.getStoredFilesFromOfflineFilesObject(filesObject, folderPath);
+        });
+    }
+
+    /**
+     * Returns the action of a given submission.
+     *
+     * @param  {any[]}  actions      Offline actions to be applied to the given submission.
+     * @param  {number} submissionId ID of the submission to filter by or false.
+     * @return {any[]}               Promise resolved with the files.
+     */
+    filterSubmissionActions(actions: any[], submissionId: number): any[] {
+        return actions.filter((action) => {
+            if (submissionId) {
+                return action.submissionid == submissionId;
+            } else {
+                return action.submissionid < 0;
+            }
+        });
+    }
+
+    /**
+     * Applies offline data to submission.
+     *
+     * @param  {any}   submission Submission object to be modified.
+     * @param  {any[]} actions    Offline actions to be applied to the given submission.
+     * @return {Promise<any>}     Promise resolved with the files.
+     */
+    applyOfflineData(submission: any, actions: any[]): Promise<any> {
+        if (actions.length && !submission) {
+            submission = {};
+        }
+
+        let editing = true,
+            attachmentsid = false,
+            workshopId;
+
+        actions.forEach((action) => {
+            switch (action.action) {
+                case 'add':
+                    submission.id = action.submissionid;
+                    editing = false;
+                case 'update':
+                    submission.title = action.title;
+                    submission.content = action.content;
+                    submission.title = action.title;
+                    submission.courseid = action.courseid;
+                    submission.submissionmodified = parseInt(action.timemodified, 10) / 1000;
+                    submission.offline = true;
+                    attachmentsid = action.attachmentsid;
+                    workshopId = action.workshopid;
+                    break;
+                case 'delete':
+                    submission.deleted = true;
+                    submission.submissionmodified = parseInt(action.timemodified, 10) / 1000;
+                    break;
+                default:
+            }
+        });
+
+        // Check offline files for latest attachmentsid.
+        if (actions.length) {
+            if (attachmentsid) {
+                return this.getSubmissionFilesFromOfflineFilesObject(attachmentsid, workshopId, submission.id, editing)
+                        .then((files) => {
+                    submission.attachmentfiles = files;
+
+                    return submission;
+                });
+            } else {
+                submission.attachmentfiles = [];
+            }
+        }
+
+        return Promise.resolve(submission);
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server.
+     *
+     * @param {any}    workshop       Workshop object.
+     * @param {any[]}  selectedValues Assessment current values
+     * @param {string} feedbackText   Feedback text.
+     * @param {any[]}  feedbackFiles  Feedback attachments.
+     * @param {any}    form           Assessment form original data.
+     * @param {number} attachmentsId  The draft file area id for attachments.
+     * @return {Promise<any>}         Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(workshop: any, selectedValues: any[], feedbackText: string, feedbackFiles: any[], form: any,
+            attachmentsId: number): Promise<any> {
+        if (workshop.overallfeedbackmode == 2 && !feedbackText) {
+            return Promise.reject({feedbackauthor: this.translate.instant('core.err_required')});
+        }
+
+        return this.strategyDelegate.prepareAssessmentData(workshop.strategy, selectedValues, form).then((data) => {
+            data.feedbackauthor = feedbackText;
+            data.feedbackauthorattachmentsid = attachmentsId || 0;
+            data.nodims = form.dimenssionscount;
+
+            return data;
+        });
+    }
+
+    /**
+     * Calculates the real value of a grade based on real_grade_value.
+     *
+     * @param  {number} value    Percentual value from 0 to 100.
+     * @param  {number} max      The maximal grade.
+     * @param  {number} decimals Decimals to show in the formatted grade.
+     * @return {string}          Real grade formatted.
+     */
+    protected realGradeValueHelper(value: number, max: number, decimals: number): string {
+        if (value == null) {
+            return null;
+        } else if (max == 0) {
+            return '0';
+        } else {
+            value = this.textUtils.roundToDecimals(max * value / 100, decimals);
+
+            return this.utils.formatFloat(value);
+        }
+    }
+
+    /**
+     * Calculates the real value of a grades of an assessment.
+     *
+     * @param  {any} workshop   Workshop object.
+     * @param  {any} assessment Assessment data.
+     * @return {any}            Assessment with real grades.
+     */
+    realGradeValue(workshop: any, assessment: any): any {
+        assessment.grade = this.realGradeValueHelper(assessment.grade, workshop.grade, workshop.gradedecimals);
+        assessment.gradinggrade = this.realGradeValueHelper(assessment.gradinggrade, workshop.gradinggrade, workshop.gradedecimals);
+        assessment.gradinggradeover = this.realGradeValueHelper(assessment.gradinggradeover, workshop.gradinggrade,
+                workshop.gradedecimals);
+
+        return assessment;
+    }
+
+    /**
+     * Check grade should be shown
+     *
+     * @param  {any} grade Grade to be shown
+     * @return {boolean}   If grade should be shown or not.
+     */
+    showGrade(grade: any): boolean {
+        return typeof grade !== 'undefined' && grade !== null;
+    }
+}

src/addon/mod/workshop/providers/link-handler.ts

@@ -0,0 +1,30 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreContentLinksModuleIndexHandler } from '@core/contentlinks/classes/module-index-handler';
+import { CoreCourseHelperProvider } from '@core/course/providers/helper';
+import { AddonModWorkshopProvider } from './workshop';
+
+/**
+ * Handler to treat links to workshop.
+ */
+@Injectable()
+export class AddonModWorkshopLinkHandler extends CoreContentLinksModuleIndexHandler {
+    name = 'AddonModWorkshopLinkHandler';
+
+    constructor(courseHelper: CoreCourseHelperProvider) {
+        super(courseHelper, AddonModWorkshopProvider.COMPONENT, 'workshop');
+    }
+}

src/addon/mod/workshop/providers/module-handler.ts

@@ -0,0 +1,72 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { NavController, NavOptions } from 'ionic-angular';
+import { AddonModWorkshopIndexComponent } from '../components/index/index';
+import { CoreCourseModuleHandler, CoreCourseModuleHandlerData } from '@core/course/providers/module-delegate';
+import { CoreCourseProvider } from '@core/course/providers/course';
+import { AddonModWorkshopProvider } from './workshop';
+
+/**
+ * Handler to support workshop modules.
+ */
+@Injectable()
+export class AddonModWorkshopModuleHandler implements CoreCourseModuleHandler {
+    name = 'AddonModWorkshop';
+    modName = 'workshop';
+
+    constructor(private courseProvider: CoreCourseProvider, private workshopProvider: AddonModWorkshopProvider) { }
+
+    /**
+     * Check if the handler is enabled on a site level.
+     *
+     * @return {Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): Promise<boolean> {
+        return this.workshopProvider.isPluginEnabled();
+    }
+
+    /**
+     * Get the data required to display the module in the course contents view.
+     *
+     * @param {any} module The module object.
+     * @param {number} courseId The course ID.
+     * @param {number} sectionId The section ID.
+     * @return {CoreCourseModuleHandlerData} Data to render the module.
+     */
+    getData(module: any, courseId: number, sectionId: number): CoreCourseModuleHandlerData {
+        return {
+            icon: this.courseProvider.getModuleIconSrc('workshop'),
+            title: module.name,
+            class: 'addon-mod_workshop-handler',
+            showDownloadButton: true,
+            action(event: Event, navCtrl: NavController, module: any, courseId: number, options: NavOptions): void {
+                navCtrl.push('AddonModWorkshopIndexPage', {module: module, courseId: courseId}, options);
+            }
+        };
+    }
+
+    /**
+     * Get the component to render the module. This is needed to support singleactivity course format.
+     * The component returned must implement CoreCourseModuleMainComponent.
+     *
+     * @param {any} course The course object.
+     * @param {any} module The module object.
+     * @return {any} The component to use, undefined if not found.
+     */
+    getMainComponent(course: any, module: any): any {
+        return AddonModWorkshopIndexComponent;
+    }
+}

src/addon/mod/workshop/providers/offline.ts

@@ -0,0 +1,792 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreFileProvider } from '@providers/file';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreTimeUtilsProvider } from '@providers/utils/time';
+
+/**
+ * Service to handle offline workshop.
+ */
+@Injectable()
+export class AddonModWorkshopOfflineProvider {
+
+    // Variables for database.
+    static SUBMISSIONS_TABLE = 'addon_mod_workshop_submissions';
+    static ASSESSMENTS_TABLE = 'addon_mod_workshop_assessments';
+    static EVALUATE_SUBMISSIONS_TABLE = 'addon_mod_workshop_evaluate_submissions';
+    static EVALUATE_ASSESSMENTS_TABLE = 'addon_mod_workshop_evaluate_assessments';
+
+    protected tablesSchema = [
+        {
+            name: AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE,
+            columns: [
+                {
+                    name: 'workshopid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'submissionid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'action',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'courseid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'title',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'content',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'attachmentsid',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'timemodified',
+                    type: 'INTEGER',
+                }
+            ],
+            primaryKeys: ['workshopid', 'submissionid', 'action']
+        },
+        {
+            name: AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE,
+            columns: [
+                {
+                    name: 'workshopid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'assessmentid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'courseid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'inputdata',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'timemodified',
+                    type: 'INTEGER',
+                },
+            ],
+            primaryKeys: ['workshopid', 'assessmentid']
+        },
+        {
+            name: AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE,
+            columns: [
+                {
+                    name: 'workshopid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'submissionid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'courseid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'timemodified',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'feedbacktext',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'published',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'gradeover',
+                    type: 'TEXT',
+                },
+            ],
+            primaryKeys: ['workshopid', 'submissionid']
+        },
+        {
+            name: AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE,
+            columns: [
+                {
+                    name: 'workshopid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'assessmentid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'courseid',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'timemodified',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'feedbacktext',
+                    type: 'TEXT',
+                },
+                {
+                    name: 'weight',
+                    type: 'INTEGER',
+                },
+                {
+                    name: 'gradinggradeover',
+                    type: 'TEXT',
+                },
+            ],
+            primaryKeys: ['workshopid', 'assessmentid']
+        }
+    ];
+
+    constructor(private fileProvider: CoreFileProvider,
+            private sitesProvider: CoreSitesProvider,
+            private textUtils: CoreTextUtilsProvider,
+            private timeUtils: CoreTimeUtilsProvider) {
+        this.sitesProvider.createTablesFromSchema(this.tablesSchema);
+    }
+
+    /**
+     * Get all the workshops ids that have something to be synced.
+     *
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<number[]>} Promise resolved with workshops id that have something to be synced.
+     */
+    getAllWorkshops(siteId?: string): Promise<number[]> {
+        const promises = [
+            this.getAllSubmissions(siteId),
+            this.getAllAssessments(siteId),
+            this.getAllEvaluateSubmissions(siteId),
+            this.getAllEvaluateAssessments(siteId)
+        ];
+
+        return Promise.all(promises).then((promiseResults) => {
+            const workshopIds = {};
+
+            // Get workshops from any offline object all should have workshopid.
+            promiseResults.forEach((offlineObjects) => {
+                offlineObjects.forEach((offlineObject) => {
+                    workshopIds[offlineObject.workshopid] = true;
+                });
+            });
+
+            return Object.keys(workshopIds).map((workshopId) => parseInt(workshopId, 10));
+        });
+    }
+
+    /**
+     * Check if there is an offline data to be synced.
+     *
+     * @param  {number} workshopId Workshop ID to remove.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<boolean>}  Promise resolved with boolean: true if has offline data, false otherwise.
+     */
+    hasWorkshopOfflineData(workshopId: number, siteId?: string): Promise<boolean> {
+        const promises = [
+            this.getSubmissions(workshopId, siteId),
+            this.getAssessments(workshopId, siteId),
+            this.getEvaluateSubmissions(workshopId, siteId),
+            this.getEvaluateAssessments(workshopId, siteId)
+        ];
+
+        return Promise.all(promises).then((results) => {
+            return results.some((result) => result && result.length);
+        }).catch(() => {
+            // No offline data found.
+            return false;
+        });
+    }
+
+    /**
+     * Delete workshop submission action.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} submissionId Submission ID.
+     * @param  {string} action       Action to be done.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if stored, rejected if failure.
+     */
+    deleteSubmissionAction(workshopId: number, submissionId: number, action: string, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                submissionid: submissionId,
+                action: action
+            };
+
+            return site.getDb().deleteRecords(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, conditions);
+        });
+    }
+
+    /**
+     * Delete all workshop submission actions.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} submissionId Submission ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if stored, rejected if failure.
+     */
+    deleteAllSubmissionActions(workshopId: number, submissionId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                submissionid: submissionId,
+            };
+
+            return site.getDb().deleteRecords(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, conditions);
+        });
+    }
+
+    /**
+     * Get the all the submissions to be synced.
+     *
+     * @param  {string} [siteId] Site ID. If not defined, current site.
+     * @return {Promise<any[]>}  Promise resolved with the objects to be synced.
+     */
+    getAllSubmissions(siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE).then((records) => {
+                records.forEach(this.parseSubmissionRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get the submissions of a workshop to be synced.
+     *
+     * @param  {number} workshopId ID of the workshop.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any>}      Promise resolved with the object to be synced.
+     */
+    getSubmissions(workshopId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId
+            };
+
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, conditions).then((records) => {
+                records.forEach(this.parseSubmissionRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get all actions of a submission of a workshop to be synced.
+     *
+     * @param  {number} workshopId   ID of the workshop.
+     * @param  {number} submissionId ID of the submission.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any[]>}      Promise resolved with the object to be synced.
+     */
+    getSubmissionActions(workshopId: number, submissionId: number, siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                submissionid: submissionId
+            };
+
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, conditions).then((records) => {
+                records.forEach(this.parseSubmissionRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get an specific action of a submission of a workshop to be synced.
+     *
+     * @param  {number} workshopId   ID of the workshop.
+     * @param  {number} submissionId ID of the submission.
+     * @param  {string} action       Action to be done.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the object to be synced.
+     */
+    getSubmissionAction(workshopId: number, submissionId: number, action: string, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                submissionid: submissionId,
+                action: action
+            };
+
+            return site.getDb().getRecord(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, conditions).then((record) => {
+                this.parseSubmissionRecord(record);
+
+                return record;
+            });
+        });
+    }
+
+    /**
+     * Offline version for adding a submission action to a workshop.
+     *
+     * @param  {number} workshopId    Workshop ID.
+     * @param  {number} courseId      Course ID the workshop belongs to.
+     * @param  {string} title         The submission title.
+     * @param  {string} content       The submission text content.
+     * @param  {any}    attachmentsId Stored attachments.
+     * @param  {number} submissionId  Submission Id, if action is add, the time the submission was created.
+     *                                If set to 0, current time is used.
+     * @param  {string} action        Action to be done. ['add', 'update', 'delete']
+     * @param  {string} [siteId]      Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved when submission action is successfully saved.
+     */
+    saveSubmission(workshopId: number, courseId: number, title: string, content: string, attachmentsId: any,
+            submissionId: number, action: string, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const timemodified = this.timeUtils.timestamp();
+            const assessment = {
+                workshopid: workshopId,
+                courseid: courseId,
+                title: title,
+                content: content,
+                attachmentsid: JSON.stringify(attachmentsId),
+                action: action,
+                submissionid: submissionId ? submissionId : -timemodified,
+                timemodified: timemodified
+            };
+
+            return site.getDb().insertRecord(AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE, assessment);
+        });
+    }
+
+    /**
+     * Parse "attachments" column of a submission record.
+     *
+     * @param  {any} record Submission record, modified in place.
+     */
+    protected parseSubmissionRecord(record: any): void {
+        record.attachmentsid = this.textUtils.parseJSON(record.attachmentsid);
+    }
+
+    /**
+     * Delete workshop assessment.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if stored, rejected if failure.
+     */
+    deleteAssessment(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                assessmentid: assessmentId
+            };
+
+            return site.getDb().deleteRecords(AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE, conditions);
+        });
+    }
+
+    /**
+     * Get the all the assessments to be synced.
+     *
+     * @param  {string} [siteId] Site ID. If not defined, current site.
+     * @return {Promise<any[]>}  Promise resolved with the objects to be synced.
+     */
+    getAllAssessments(siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE).then((records) => {
+                records.forEach(this.parseAssessmentRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get the assessments of a workshop to be synced.
+     *
+     * @param  {number} workshopId ID of the workshop.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any[]>}    Promise resolved with the object to be synced.
+     */
+    getAssessments(workshopId: number, siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId
+            };
+
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE, conditions).then((records) => {
+                records.forEach(this.parseAssessmentRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get an specific assessment of a workshop to be synced.
+     *
+     * @param  {number} workshopId   ID of the workshop.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the object to be synced.
+     */
+    getAssessment(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                assessmentid: assessmentId
+            };
+
+            return site.getDb().getRecord(AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE, conditions).then((record) => {
+                this.parseAssessmentRecord(record);
+
+                return record;
+            });
+        });
+    }
+
+    /**
+     * Offline version for adding an assessment to a workshop.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {number} courseId     Course ID the workshop belongs to.
+     * @param  {any}    inputData    Assessment data.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved when assessment is successfully saved.
+     */
+    saveAssessment(workshopId: number, assessmentId: number, courseId: number, inputData: any, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const assessment = {
+                workshopid: workshopId,
+                courseid: courseId,
+                inputdata: JSON.stringify(inputData),
+                assessmentid: assessmentId,
+                timemodified: this.timeUtils.timestamp()
+            };
+
+            return site.getDb().insertRecord(AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE, assessment);
+        });
+    }
+
+    /**
+     * Parse "inpudata" column of an assessment record.
+     *
+     * @param {any} record Assessnent record, modified in place.
+     */
+    protected parseAssessmentRecord(record: any): void {
+        record.inputdata = this.textUtils.parseJSON(record.inputdata);
+    }
+
+    /**
+     * Delete workshop evaluate submission.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} submissionId Submission ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if stored, rejected if failure.
+     */
+    deleteEvaluateSubmission(workshopId: number, submissionId: number, siteId?: string): Promise<any> {
+        const conditions = {
+            workshopid: workshopId,
+            submissionid: submissionId
+        };
+
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().deleteRecords(AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE, conditions);
+        });
+    }
+
+    /**
+     * Get the all the evaluate submissions to be synced.
+     *
+     * @param  {string} [siteId] Site ID. If not defined, current site.
+     * @return {Promise<any[]>}  Promise resolved with the objects to be synced.
+     */
+    getAllEvaluateSubmissions(siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE).then((records) => {
+                records.forEach(this.parseEvaluateSubmissionRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get the evaluate submissions of a workshop to be synced.
+     *
+     * @param  {number} workshopId ID of the workshop.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any[]>}    Promise resolved with the object to be synced.
+     */
+    getEvaluateSubmissions(workshopId: number, siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId
+            };
+
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE, conditions)
+                    .then((records) => {
+                records.forEach(this.parseEvaluateSubmissionRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get an specific evaluate submission of a workshop to be synced.
+     *
+     * @param  {number} workshopId   ID of the workshop.
+     * @param  {number} submissionId Submission ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the object to be synced.
+     */
+    getEvaluateSubmission(workshopId: number, submissionId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                submissionid: submissionId
+            };
+
+            return site.getDb().getRecord(AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE, conditions).then((record) => {
+                this.parseEvaluateSubmissionRecord(record);
+
+                return record;
+            });
+        });
+    }
+
+    /**
+     * Offline version for evaluation a submission to a workshop.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId Submission ID.
+     * @param  {number}  courseId     Course ID the workshop belongs to.
+     * @param  {string}  feedbackText The feedback for the author.
+     * @param  {boolean} published    Whether to publish the submission for other users.
+     * @param  {any}     gradeOver    The new submission grade (empty for no overriding the grade).
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}         Promise resolved when submission evaluation is successfully saved.
+     */
+    saveEvaluateSubmission(workshopId: number, submissionId: number, courseId: number, feedbackText: string, published: boolean,
+            gradeOver: any, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const submission = {
+                workshopid: workshopId,
+                courseid: courseId,
+                submissionid: submissionId,
+                timemodified: this.timeUtils.timestamp(),
+                feedbacktext: feedbackText,
+                published: Number(published),
+                gradeover: JSON.stringify(gradeOver)
+            };
+
+            return site.getDb().insertRecord(AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE, submission);
+        });
+    }
+
+    /**
+     * Parse "published" and "gradeover" columns of an evaluate submission record.
+     *
+     * @param  {any} record Evaluate submission record, modified in place.
+     */
+    protected parseEvaluateSubmissionRecord(record: any): void {
+        record.published = Boolean(record.published);
+        record.gradeover = this.textUtils.parseJSON(record.gradeover);
+    }
+
+    /**
+     * Delete workshop evaluate assessment.
+     *
+     * @param  {number} workshopId   Workshop ID.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved if stored, rejected if failure.
+     */
+    deleteEvaluateAssessment(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                assessmentid: assessmentId
+            };
+
+            return site.getDb().deleteRecords(AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE, conditions);
+        });
+    }
+
+    /**
+     * Get the all the evaluate assessments to be synced.
+     *
+     * @param  {string} [siteId] Site ID. If not defined, current site.
+     * @return {Promise<any[]>}  Promise resolved with the objects to be synced.
+     */
+    getAllEvaluateAssessments(siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE).then((records) => {
+                records.forEach(this.parseEvaluateAssessmentRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get the evaluate assessments of a workshop to be synced.
+     *
+     * @param  {number} workshopId ID of the workshop.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any[]>}    Promise resolved with the object to be synced.
+     */
+    getEvaluateAssessments(workshopId: number, siteId?: string): Promise<any[]> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId
+            };
+
+            return site.getDb().getRecords(AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE, conditions)
+                    .then((records) => {
+                records.forEach(this.parseEvaluateAssessmentRecord.bind(this));
+
+                return records;
+            });
+        });
+    }
+
+    /**
+     * Get an specific evaluate assessment of a workshop to be synced.
+     *
+     * @param  {number} workshopId   ID of the workshop.
+     * @param  {number} assessmentId Assessment ID.
+     * @param  {string} [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<any>}        Promise resolved with the object to be synced.
+     */
+    getEvaluateAssessment(workshopId: number, assessmentId: number, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const conditions = {
+                workshopid: workshopId,
+                assessmentid: assessmentId
+            };
+
+            return site.getDb().getRecord(AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE, conditions).then((record) => {
+                this.parseEvaluateAssessmentRecord(record);
+
+                return record;
+            });
+        });
+    }
+
+    /**
+     * Offline version for evaluating an assessment to a workshop.
+     *
+     * @param  {number}  workshopId       Workshop ID.
+     * @param  {number}  assessmentId     Assessment ID.
+     * @param  {number}  courseId         Course ID the workshop belongs to.
+     * @param  {string}  feedbackText     The feedback for the reviewer.
+     * @param  {number}  weight           The new weight for the assessment.
+     * @param  {any}     gradingGradeOver The new grading grade (empty for no overriding the grade).
+     * @param  {string}  [siteId]         Site ID. If not defined, current site.
+     * @return {Promise<any>}             Promise resolved when assessment evaluation is successfully saved.
+     */
+    saveEvaluateAssessment(workshopId: number, assessmentId: number, courseId: number, feedbackText: string, weight: number,
+            gradingGradeOver: any, siteId?: string): Promise<any> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const assessment = {
+                workshopid: workshopId,
+                courseid: courseId,
+                assessmentid: assessmentId,
+                timemodified: this.timeUtils.timestamp(),
+                feedbacktext: feedbackText,
+                weight: weight,
+                gradinggradeover: JSON.stringify(gradingGradeOver)
+            };
+
+            return site.getDb().insertRecord(AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE, assessment);
+        });
+    }
+
+    /**
+     * Parse "gradinggradeover" column of an evaluate assessment record.
+     *
+     * @param  {any} record Evaluate assessment record, modified in place.
+     */
+    protected parseEvaluateAssessmentRecord(record: any): void {
+        record.gradinggradeover = this.textUtils.parseJSON(record.gradinggradeover);
+    }
+
+    /**
+     * Get the path to the folder where to store files for offline attachments in a workshop.
+     *
+     * @param  {number} workshopId Workshop ID.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<string>}   Promise resolved with the path.
+     */
+    getWorkshopFolder(workshopId: number, siteId?: string): Promise<string> {
+        return this.sitesProvider.getSite(siteId).then((site) => {
+
+            const siteFolderPath = this.fileProvider.getSiteFolder(site.getId());
+            const workshopFolderPath = 'offlineworkshop/' + workshopId + '/';
+
+            return this.textUtils.concatenatePaths(siteFolderPath, workshopFolderPath);
+        });
+    }
+
+    /**
+     * Get the path to the folder where to store files for offline submissions.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  submissionId If not editing, it will refer to timecreated.
+     * @param  {boolean} editing      If the submission is being edited or added otherwise.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<string>}      Promise resolved with the path.
+     */
+    getSubmissionFolder(workshopId: number, submissionId: number, editing: boolean, siteId?: string): Promise<string> {
+        return this.getWorkshopFolder(workshopId, siteId).then((folderPath) => {
+            folderPath += 'submission/';
+            const folder = editing ? 'update_' + submissionId : 'add';
+
+            return this.textUtils.concatenatePaths(folderPath, folder);
+        });
+    }
+
+    /**
+     * Get the path to the folder where to store files for offline assessment.
+     *
+     * @param  {number}  workshopId   Workshop ID.
+     * @param  {number}  assessmentId Assessment ID.
+     * @param  {string}  [siteId]     Site ID. If not defined, current site.
+     * @return {Promise<string>}      Promise resolved with the path.
+     */
+    getAssessmentFolder(workshopId: number, assessmentId: number, siteId?: string): Promise<string> {
+        return this.getWorkshopFolder(workshopId, siteId).then((folderPath) => {
+            folderPath += 'assessment/';
+
+            return this.textUtils.concatenatePaths(folderPath, String(assessmentId));
+        });
+    }
+}

src/addon/mod/workshop/providers/prefetch-handler.ts

@@ -0,0 +1,368 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable, Injector } from '@angular/core';
+import { CoreCourseModulePrefetchHandlerBase } from '@core/course/classes/module-prefetch-handler';
+import { CoreGroupsProvider } from '@providers/groups';
+import { CoreUserProvider } from '@core/user/providers/user';
+import { AddonModWorkshopProvider } from './workshop';
+import { AddonModWorkshopHelperProvider } from './helper';
+
+/**
+ * Handler to prefetch workshops.
+ */
+@Injectable()
+export class AddonModWorkshopPrefetchHandler extends CoreCourseModulePrefetchHandlerBase {
+    name = 'AddonModWorkshop';
+    modName = 'workshop';
+    component = AddonModWorkshopProvider.COMPONENT;
+    updatesNames = new RegExp('^configuration$|^.*files$|^completion|^gradeitems$|^outcomes$|^submissions$|^assessments$' +
+            '|^assessmentgrades$|^usersubmissions$|^userassessments$|^userassessmentgrades$|^userassessmentgrades$');
+
+    constructor(injector: Injector,
+            private groupsProvider: CoreGroupsProvider,
+            private userProvider: CoreUserProvider,
+            private workshopProvider: AddonModWorkshopProvider,
+            private workshopHelper: AddonModWorkshopHelperProvider) {
+        super(injector);
+    }
+
+    /**
+     * Download the module.
+     *
+     * @param {any} module The module object returned by WS.
+     * @param {number} courseId Course ID.
+     * @param {string} [dirPath] Path of the directory where to store all the content files. @see downloadOrPrefetch.
+     * @return {Promise<any>} Promise resolved when all content is downloaded.
+     */
+    download(module: any, courseId: number, dirPath?: string): Promise<any> {
+        // Workshop cannot be downloaded right away, only prefetched.
+        return this.prefetch(module, courseId, false, dirPath);
+    }
+
+    /**
+     * Get list of files. If not defined, we'll assume they're in module.contents.
+     *
+     * @param {any} module Module.
+     * @param {Number} courseId Course ID the module belongs to.
+     * @param {boolean} [single] True if we're downloading a single module, false if we're downloading a whole section.
+     * @return {Promise<any[]>} Promise resolved with the list of files.
+     */
+    getFiles(module: any, courseId: number, single?: boolean): Promise<any[]> {
+        return this.getWorkshopInfoHelper(module, courseId, true).then((info) => {
+            return info.files;
+        });
+    }
+
+    /**
+     * Helper function to get all workshop info just once.
+     *
+     * @param  {any}     module              Module to get the files.
+     * @param  {number}  courseId            Course ID the module belongs to.
+     * @param  {boolean} [omitFail=false]    True to always return even if fails. Default false.
+     * @param  {boolean} [forceCache=false]  True to always get the value from cache, false otherwise. Default false.
+     * @param  {boolean} [ignoreCache=false] True if it should ignore cached data (it will always fail in offline or server down).
+     * @param  {string}  [siteId]            Site ID. If not defined, current site.
+     * @return {Promise<any>}                Promise resolved with the info fetched.
+     */
+    protected getWorkshopInfoHelper(module: any, courseId: number, omitFail: boolean = false, forceCache: boolean = false,
+            ignoreCache: boolean = false, siteId?: string): Promise<any> {
+        let workshop,
+            groups = [],
+            files = [],
+            access;
+
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const userId = site.getUserId();
+
+            return this.workshopProvider.getWorkshop(courseId, module.id, siteId, forceCache).then((data) => {
+                files = this.getIntroFilesFromInstance(module, data);
+                files = files.concat(data.instructauthorsfiles).concat(data.instructreviewersfiles);
+                workshop = data;
+
+                return this.workshopProvider.getWorkshopAccessInformation(workshop.id, false, true, siteId).then((accessData) => {
+                    access = accessData;
+                    if (access.canviewallsubmissions) {
+                        return this.groupsProvider.getActivityGroupInfo(module.id, false, undefined, siteId).then((groupInfo) => {
+                            if (!groupInfo.groups || groupInfo.groups.length == 0) {
+                                groupInfo.groups = [{id: 0}];
+                            }
+                            groups = groupInfo.groups;
+                        });
+                    }
+                });
+            }).then(() => {
+                return this.workshopProvider.getUserPlanPhases(workshop.id, false, true, siteId).then((phases) => {
+                    // Get submission phase info.
+                    const submissionPhase = phases[AddonModWorkshopProvider.PHASE_SUBMISSION],
+                        canSubmit = this.workshopHelper.canSubmit(workshop, access, submissionPhase.tasks),
+                        canAssess = this.workshopHelper.canAssess(workshop, access),
+                        promises = [];
+
+                    if (canSubmit) {
+                        promises.push(this.workshopHelper.getUserSubmission(workshop.id, userId).then((submission) => {
+                            if (submission) {
+                                files = files.concat(submission.contentfiles).concat(submission.attachmentfiles);
+                            }
+                        }));
+                    }
+
+                    if (access.canviewallsubmissions && workshop.phase >= AddonModWorkshopProvider.PHASE_SUBMISSION) {
+                        promises.push(this.workshopProvider.getSubmissions(workshop.id).then((submissions) => {
+                            const promises2 = [];
+                            submissions.forEach((submission) => {
+                                files = files.concat(submission.contentfiles).concat(submission.attachmentfiles);
+                                promises2.push(this.workshopProvider.getSubmissionAssessments(workshop.id, submission.id)
+                                        .then((assessments) => {
+                                    assessments.forEach((assessment) => {
+                                        files = files.concat(assessment.feedbackattachmentfiles)
+                                                .concat(assessment.feedbackcontentfiles);
+                                    });
+                                }));
+                            });
+
+                            return Promise.all(promises2);
+                        }));
+                    }
+
+                    // Get assessment files.
+                    if (workshop.phase >= AddonModWorkshopProvider.PHASE_ASSESSMENT && canAssess) {
+                        promises.push(this.workshopHelper.getReviewerAssessments(workshop.id).then((assessments) => {
+                            assessments.forEach((assessment) => {
+                                files = files.concat(assessment.feedbackattachmentfiles).concat(assessment.feedbackcontentfiles);
+                            });
+                        }));
+                    }
+
+                    return Promise.all(promises);
+                });
+            });
+        }).then(() => {
+            return {
+                workshop: workshop,
+                groups: groups,
+                files: files.filter((file) => typeof file !== 'undefined')
+            };
+        }).catch((message): any => {
+            if (omitFail) {
+                // Any error, return the info we have.
+                return {
+                    workshop: workshop,
+                    groups: groups,
+                    files: files.filter((file) => typeof file !== 'undefined')
+                };
+            }
+
+            return Promise.reject(message);
+        });
+    }
+
+    /**
+     * Invalidate the prefetched content.
+     *
+     * @param {number} moduleId The module ID.
+     * @param {number} courseId The course ID the module belongs to.
+     * @return {Promise<any>} Promise resolved when the data is invalidated.
+     */
+    invalidateContent(moduleId: number, courseId: number): Promise<any> {
+        return this.workshopProvider.invalidateContent(moduleId, courseId);
+    }
+
+    /**
+     * Check if a module can be downloaded. If the function is not defined, we assume that all modules are downloadable.
+     *
+     * @param  {any} module Module.
+     * @param  {number} courseId Course ID the module belongs to.
+     * @return {boolean|Promise<boolean>} Whether the module can be downloaded. The promise should never be rejected.
+     */
+    isDownloadable(module: any, courseId: number): boolean | Promise<boolean> {
+        return this.workshopProvider.getWorkshop(courseId, module.id, undefined, true).then((workshop) => {
+            return this.workshopProvider.getWorkshopAccessInformation(workshop.id).then((accessData) => {
+                // Check if workshop is setup by phase.
+                return accessData.canswitchphase || workshop.phase > AddonModWorkshopProvider.PHASE_SETUP;
+            });
+        });
+    }
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     *
+     * @return {boolean|Promise<boolean>} A boolean, or a promise resolved with a boolean, indicating if the handler is enabled.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return this.workshopProvider.isPluginEnabled();
+    }
+
+    /**
+     * Prefetch a module.
+     *
+     * @param {any} module Module.
+     * @param {number} courseId Course ID the module belongs to.
+     * @param {boolean} [single] True if we're downloading a single module, false if we're downloading a whole section.
+     * @param {string} [dirPath] Path of the directory where to store all the content files. @see downloadOrPrefetch.
+     * @return {Promise<any>} Promise resolved when done.
+     */
+    prefetch(module: any, courseId?: number, single?: boolean, dirPath?: string): Promise<any> {
+        return this.prefetchPackage(module, courseId, single, this.prefetchWorkshop.bind(this));
+    }
+
+    /**
+     * Retrieves all the grades reports for all the groups and then returns only unique grades.
+     *
+     * @param  {number}  workshopId Workshop ID.
+     * @param  {any[]}   groups     Array of groups in the activity.
+     * @param  {string}  siteId     Site ID. If not defined, current site.
+     * @return {Promise<any>}       All unique entries.
+     */
+    protected getAllGradesReport(workshopId: number, groups: any[], siteId: string): Promise<any> {
+        const promises = [];
+
+        groups.forEach((group) => {
+            promises.push(this.workshopProvider.fetchAllGradeReports(
+                    workshopId, group.id, undefined, false, false, siteId));
+        });
+
+        return Promise.all(promises).then((grades) => {
+            const uniqueGrades = {};
+
+            grades.forEach((groupGrades) => {
+                groupGrades.forEach((grade) => {
+                    if (grade.submissionid) {
+                        uniqueGrades[grade.submissionid] = grade;
+                    }
+                });
+            });
+
+            return uniqueGrades;
+        });
+    }
+
+    /**
+     * Prefetch a workshop.
+     *
+     * @param  {any}     module   The module object returned by WS.
+     * @param  {number}  courseId Course ID the module belongs to.
+     * @param  {boolean} single   True if we're downloading a single module, false if we're downloading a whole section.
+     * @param  {string}  siteId   Site ID.
+     * @return {Promise<any>}     Promise resolved when done.
+     */
+    protected prefetchWorkshop(module: any, courseId: number, single: boolean, siteId: string): Promise<any> {
+        const userIds = [];
+
+        siteId = siteId || this.sitesProvider.getCurrentSiteId();
+
+        return this.sitesProvider.getSite(siteId).then((site) => {
+            const currentUserId = site.getUserId();
+
+             // Prefetch the workshop data.
+            return this.getWorkshopInfoHelper(module, courseId, false, false, true, siteId).then((info) => {
+                const workshop = info.workshop,
+                    promises = [],
+                    assessments = [];
+
+                promises.push(this.filepoolProvider.addFilesToQueue(siteId, info.files, this.component, module.id));
+                promises.push(this.workshopProvider.getWorkshopAccessInformation(workshop.id, false, true, siteId)
+                        .then((access) => {
+                    return this.workshopProvider.getUserPlanPhases(workshop.id, false, true, siteId).then((phases) => {
+
+                        // Get submission phase info.
+                        const submissionPhase = phases[AddonModWorkshopProvider.PHASE_SUBMISSION],
+                            canSubmit = this.workshopHelper.canSubmit(workshop, access, submissionPhase.tasks),
+                            canAssess = this.workshopHelper.canAssess(workshop, access),
+                            promises2 = [];
+
+                        if (canSubmit) {
+                            promises2.push(this.workshopProvider.getSubmissions(workshop.id));
+                            // Add userId to the profiles to prefetch.
+                            userIds.push(currentUserId);
+                        }
+
+                        let reportPromise = Promise.resolve();
+                        if (access.canviewallsubmissions && workshop.phase >= AddonModWorkshopProvider.PHASE_SUBMISSION) {
+                            reportPromise = this.getAllGradesReport(workshop.id, info.groups, siteId)
+                                    .then((grades) => {
+                                grades.forEach((grade) => {
+                                    userIds.push(grade.userid);
+                                    userIds.push(grade.gradeoverby);
+
+                                    grade.reviewedby.forEach((assessment) => {
+                                        userIds.push(assessment.userid);
+                                        userIds.push(assessment.gradinggradeoverby);
+                                        assessments[assessment.assessmentid] = assessment;
+                                    });
+
+                                    grade.reviewerof.forEach((assessment) => {
+                                        userIds.push(assessment.userid);
+                                        userIds.push(assessment.gradinggradeoverby);
+                                        assessments[assessment.assessmentid] = assessment;
+                                    });
+                                });
+                            });
+                        }
+
+                        if (workshop.phase >= AddonModWorkshopProvider.PHASE_ASSESSMENT && canAssess) {
+                            // Wait the report promise to finish to override assessments array if needed.
+                            reportPromise = reportPromise.finally(() => {
+                                return this.workshopHelper.getReviewerAssessments(workshop.id, currentUserId, undefined,
+                                        undefined, siteId).then((revAssessments) => {
+                                    let p = Promise.resolve();
+                                    revAssessments.forEach((assessment) => {
+                                        if (assessment.submission.authorid == currentUserId) {
+                                            p = this.workshopProvider.getAssessment(workshop.id, assessment.id);
+                                        }
+                                        userIds.push(assessment.reviewerid);
+                                        userIds.push(assessment.gradinggradeoverby);
+                                        assessments[assessment.id] = assessment;
+                                    });
+
+                                    return p;
+                                });
+                            });
+                        }
+
+                        if (assessments.length > 0) {
+                            reportPromise = reportPromise.finally(() => {
+                                const promises3 = [];
+                                assessments.forEach((assessment, id) => {
+                                    promises3.push(this.workshopProvider.getAssessmentForm(workshop.id, id, undefined, undefined,
+                                        undefined, siteId));
+                                });
+
+                                return Promise.all(promises3);
+                            });
+                        }
+                        promises2.push(reportPromise);
+
+                        if (workshop.phase == AddonModWorkshopProvider.PHASE_CLOSED) {
+                            promises2.push(this.workshopProvider.getGrades(workshop.id));
+                            if (access.canviewpublishedsubmissions) {
+                                promises2.push(this.workshopProvider.getSubmissions(workshop.id));
+                            }
+                        }
+
+                        return Promise.all(promises2);
+                    });
+                }));
+                // Add Basic Info to manage links.
+                promises.push(this.courseProvider.getModuleBasicInfoByInstance(workshop.id, 'workshop', siteId));
+                promises.push(this.courseProvider.getModuleBasicGradeInfo(module.id, siteId));
+
+                return Promise.all(promises);
+            });
+        }).then(() => {
+            // Prefetch user profiles.
+            return this.userProvider.prefetchProfiles(userIds, courseId, siteId);
+        });
+    }
+}

src/addon/mod/workshop/providers/sync-cron-handler.ts

@@ -0,0 +1,47 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { CoreCronHandler } from '@providers/cron';
+import { AddonModWorkshopSyncProvider } from './sync';
+
+/**
+ * Synchronization cron handler.
+ */
+@Injectable()
+export class AddonModWorkshopSyncCronHandler implements CoreCronHandler {
+    name = 'AddonModWorkshopSyncCronHandler';
+
+    constructor(private workshopSync: AddonModWorkshopSyncProvider) {}
+
+    /**
+     * Execute the process.
+     * Receives the ID of the site affected, undefined for all sites.
+     *
+     * @param  {string} [siteId] ID of the site affected, undefined for all sites.
+     * @return {Promise<any>}         Promise resolved when done, rejected if failure.
+     */
+    execute(siteId?: string): Promise<any> {
+        return this.workshopSync.syncAllWorkshops(siteId);
+    }
+
+    /**
+     * Get the time between consecutive executions.
+     *
+     * @return {number} Time between consecutive executions (in ms).
+     */
+    getInterval(): number {
+        return AddonModWorkshopSyncProvider.SYNC_TIME;
+    }
+}

src/addon/mod/workshop/providers/sync.ts

@@ -0,0 +1,565 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injectable } from '@angular/core';
+import { TranslateService } from '@ngx-translate/core';
+import { CoreSyncBaseProvider } from '@classes/base-sync';
+import { CoreCourseProvider } from '@core/course/providers/course';
+import { CoreAppProvider } from '@providers/app';
+import { CoreLoggerProvider } from '@providers/logger';
+import { CoreEventsProvider } from '@providers/events';
+import { CoreSitesProvider } from '@providers/sites';
+import { CoreSyncProvider } from '@providers/sync';
+import { CoreTextUtilsProvider } from '@providers/utils/text';
+import { CoreUtilsProvider } from '@providers/utils/utils';
+import { AddonModWorkshopProvider } from './workshop';
+import { AddonModWorkshopHelperProvider } from './helper';
+import { AddonModWorkshopOfflineProvider } from './offline';
+
+/**
+ * Service to sync workshops.
+ */
+@Injectable()
+export class AddonModWorkshopSyncProvider extends CoreSyncBaseProvider {
+
+    static AUTO_SYNCED = 'addon_mod_workshop_autom_synced';
+    static MANUAL_SYNCED = 'addon_mod_workshop_manual_synced';
+    static SYNC_TIME = 300000;
+
+    protected componentTranslate: string;
+
+    constructor(translate: TranslateService,
+            appProvider: CoreAppProvider,
+            courseProvider: CoreCourseProvider,
+            private eventsProvider: CoreEventsProvider,
+            loggerProvider: CoreLoggerProvider,
+            sitesProvider: CoreSitesProvider,
+            syncProvider: CoreSyncProvider,
+            textUtils: CoreTextUtilsProvider,
+            private utils: CoreUtilsProvider,
+            private workshopProvider: AddonModWorkshopProvider,
+            private workshopHelper: AddonModWorkshopHelperProvider,
+            private workshopOffline: AddonModWorkshopOfflineProvider) {
+
+        super('AddonModWorkshopSyncProvider', loggerProvider, sitesProvider, appProvider, syncProvider, textUtils, translate);
+
+        this.componentTranslate = courseProvider.translateModuleName('workshop');
+    }
+
+    /**
+     * Check if an workshop has data to synchronize.
+     *
+     * @param  {number} workshopId Workshop ID.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any>}      Promise resolved with boolean: true if has data to sync, false otherwise.
+     */
+    hasDataToSync(workshopId: number, siteId?: string): Promise<any> {
+        return this.workshopOffline.hasWorkshopOfflineData(workshopId, siteId);
+    }
+
+    /**
+     * Try to synchronize all workshops that need it and haven't been synchronized in a while.
+     *
+     * @param  {string} [siteId] Site ID to sync. If not defined, sync all sites.
+     * @return {Promise<any>}    Promise resolved when the sync is done.
+     */
+    syncAllWorkshops(siteId?: string): Promise<any> {
+        return this.syncOnSites('all workshops', this.syncAllWorkshopsFunc.bind(this), [], siteId);
+    }
+
+    /**
+     * Sync all workshops on a site.
+     *
+     * @param  {string} [siteId] Site ID to sync. If not defined, sync all sites.
+     * @return {Promise<any>}    Promise resolved if sync is successful, rejected if sync fails.
+     */
+    protected syncAllWorkshopsFunc(siteId?: string): Promise<any> {
+        return this.workshopOffline.getAllWorkshops(siteId).then((workshopIds) => {
+            const promises = [];
+
+            // Sync all workshops that haven't been synced for a while.
+            workshopIds.forEach((workshopId) => {
+                promises.push(this.syncWorkshopIfNeeded(workshopId, siteId).then((data) => {
+                    if (data && data.updated) {
+                        // Sync done. Send event.
+                        this.eventsProvider.trigger(AddonModWorkshopSyncProvider.AUTO_SYNCED, {
+                            workshopId: workshopId,
+                            warnings: data.warnings
+                        }, siteId);
+                    }
+                }));
+            });
+
+            return Promise.all(promises);
+        });
+    }
+
+    /**
+     * Sync a workshop only if a certain time has passed since the last time.
+     *
+     * @param  {number} workshopId Workshop ID.
+     * @param  {string} [siteId]   Site ID. If not defined, current site.
+     * @return {Promise<any>}      Promise resolved when the workshop is synced or if it doesn't need to be synced.
+     */
+    syncWorkshopIfNeeded(workshopId: number, siteId?: string): Promise<any> {
+        return this.isSyncNeeded(workshopId, siteId).then((needed) => {
+            if (needed) {
+                return this.syncWorkshop(workshopId, siteId);
+            }
+        });
+    }
+
+    /**
+     * Try to synchronize a workshop.
+     *
+     * @param  {number} workshopId  Workshop ID.
+     * @param  {string} [siteId]    Site ID. If not defined, current site.
+     * @return {Promise<any>}       Promise resolved if sync is successful, rejected otherwise.
+     */
+    syncWorkshop(workshopId: number, siteId?: string): Promise<any> {
+        siteId = siteId || this.sitesProvider.getCurrentSiteId();
+
+        if (this.isSyncing(workshopId, siteId)) {
+            // There's already a sync ongoing for this discussion, return the promise.
+            return this.getOngoingSync(workshopId, siteId);
+        }
+
+        // Verify that workshop isn't blocked.
+        if (this.syncProvider.isBlocked(AddonModWorkshopProvider.COMPONENT, workshopId, siteId)) {
+            this.logger.debug('Cannot sync workshop ' + workshopId + ' because it is blocked.');
+
+            return Promise.reject(this.translate.instant('core.errorsyncblocked', {$a: this.componentTranslate}));
+        }
+
+        this.logger.debug('Try to sync workshop ' + workshopId);
+
+        const syncPromises = [];
+
+        // Get offline submissions to be sent.
+        syncPromises.push(this.workshopOffline.getSubmissions(workshopId, siteId).catch(() => {
+            // No offline data found, return empty array.
+            return [];
+        }));
+
+        // Get offline submission assessments to be sent.
+        syncPromises.push(this.workshopOffline.getAssessments(workshopId, siteId).catch(() => {
+            // No offline data found, return empty array.
+            return [];
+        }));
+
+        // Get offline submission evaluations to be sent.
+        syncPromises.push(this.workshopOffline.getEvaluateSubmissions(workshopId, siteId).catch(() => {
+            // No offline data found, return empty array.
+            return [];
+        }));
+
+        // Get offline assessment evaluations to be sent.
+        syncPromises.push(this.workshopOffline.getEvaluateAssessments(workshopId, siteId).catch(() => {
+            // No offline data found, return empty array.
+            return [];
+        }));
+
+        const result = {
+            warnings: [],
+            updated: false
+        };
+
+        // Get offline submissions to be sent.
+        const syncPromise = Promise.all(syncPromises).then((syncs) => {
+            let courseId;
+
+            // Get courseId from the first object
+            for (const x in syncs) {
+                if (syncs[x].length > 0 && syncs[x][0].courseid) {
+                    courseId = syncs[x][0].courseid;
+                    break;
+                }
+            }
+
+            if (!courseId) {
+                // Nothing to sync.
+                return;
+            } else if (!this.appProvider.isOnline()) {
+                // Cannot sync in offline.
+                return Promise.reject(null);
+            }
+
+            return this.workshopProvider.getWorkshopById(courseId, workshopId, siteId).then((workshop) => {
+                const submissionsActions = syncs[0],
+                    assessments = syncs[1],
+                    submissionEvaluations = syncs[2],
+                    assessmentEvaluations = syncs[3],
+                    promises = [],
+                    offlineSubmissions = {};
+
+                submissionsActions.forEach((action) => {
+                    if (typeof offlineSubmissions[action.submissionid] == 'undefined') {
+                        offlineSubmissions[action.submissionid] = [];
+                    }
+                    offlineSubmissions[action.submissionid].push(action);
+                });
+
+                Object.keys(offlineSubmissions).forEach((submissionId) => {
+                    const submissionActions = offlineSubmissions[submissionId];
+                    promises.push(this.syncSubmission(workshop, submissionActions, result, siteId).then(() => {
+                        result.updated = true;
+                    }));
+                });
+
+                assessments.forEach((assessment) => {
+                    promises.push(this.syncAssessment(workshop, assessment, result, siteId).then(() => {
+                        result.updated = true;
+                    }));
+                });
+
+                submissionEvaluations.forEach((evaluation) => {
+                    promises.push(this.syncEvaluateSubmission(workshop, evaluation, result, siteId).then(() => {
+                        result.updated = true;
+                    }));
+                });
+
+                assessmentEvaluations.forEach((evaluation) => {
+                    promises.push(this.syncEvaluateAssessment(workshop, evaluation, result, siteId).then(() => {
+                        result.updated = true;
+                    }));
+                });
+
+                return Promise.all(promises);
+            }).then(() => {
+                if (result.updated) {
+                    // Data has been sent to server. Now invalidate the WS calls.
+                    return this.workshopProvider.invalidateContentById(workshopId, courseId, siteId).catch(() => {
+                        // Ignore errors.
+                    });
+                }
+            });
+        }).then(() => {
+            // Sync finished, set sync time.
+            return this.setSyncTime(workshopId, siteId).catch(() => {
+                // Ignore errors.
+            });
+        }).then(() => {
+            // All done, return the warnings.
+            return result;
+        });
+
+        return this.addOngoingSync(workshopId, syncPromise, siteId);
+    }
+
+    /**
+     * Synchronize a submission.
+     *
+     * @param  {any}    workshop          Workshop.
+     * @param  {any[]}  submissionActions Submission actions offline data.
+     * @param  {any}    result            Object with the result of the sync.
+     * @param  {string} siteId            Site ID.
+     * @return {Promise<any>}             Promise resolved if success, rejected otherwise.
+     */
+    protected syncSubmission(workshop: any, submissionActions: any, result: any, siteId: string): Promise<any> {
+        let discardError;
+        let editing = false;
+
+        // Sort entries by timemodified.
+        submissionActions = submissionActions.sort((a, b) => {
+            return a.timemodified - b.timemodified;
+        });
+
+        let timePromise = null;
+        let submissionId = submissionActions[0].submissionid;
+
+        if (submissionId > 0) {
+            editing = true;
+            timePromise = this.workshopProvider.getSubmission(workshop.id, submissionId, siteId).then((submission) => {
+                return submission.timemodified;
+            }).catch(() => {
+                return -1;
+            });
+        } else {
+            timePromise = Promise.resolve(0);
+        }
+
+        return timePromise.then((timemodified) => {
+            if (timemodified < 0 || timemodified >= submissionActions[0].timemodified) {
+                // The entry was not found in Moodle or the entry has been modified, discard the action.
+                result.updated = true;
+                discardError = this.translate.instant('addon.mod_workshop.warningsubmissionmodified');
+
+                return this.workshopOffline.deleteAllSubmissionActions(workshop.id, submissionId, siteId);
+            }
+
+            let promise = Promise.resolve();
+
+            submissionActions.forEach((action) => {
+                promise = promise.then(() => {
+                    submissionId = action.submissionid > 0 ? action.submissionid : submissionId;
+
+                    let fileProm;
+                    // Upload attachments first if any.
+                    if (action.attachmentsid) {
+                        fileProm = this.workshopHelper.getSubmissionFilesFromOfflineFilesObject(action.attachmentsid, workshop.id,
+                                submissionId, editing, siteId).then((files) => {
+                            return this.workshopHelper.uploadOrStoreSubmissionFiles(workshop.id, submissionId, files, editing,
+                                false, siteId);
+                        });
+                    } else {
+                        // Remove all files.
+                        fileProm = this.workshopHelper.uploadOrStoreSubmissionFiles(workshop.id, submissionId, [], editing, false,
+                                siteId);
+                    }
+
+                    return fileProm.then((attachmentsId) => {
+                        // Perform the action.
+                        switch (action.action) {
+                            case 'add':
+                                return this.workshopProvider.addSubmissionOnline(workshop.id, action.title, action.content,
+                                        attachmentsId, siteId).then((newSubmissionId) => {
+                                    submissionId = newSubmissionId;
+                                });
+                            case 'update':
+                                return this.workshopProvider.updateSubmissionOnline(submissionId, action.title, action.content,
+                                        attachmentsId, siteId);
+                            case 'delete':
+                                return this.workshopProvider.deleteSubmissionOnline(submissionId, siteId);
+                            default:
+                                return Promise.resolve();
+                        }
+                    }).catch((error) => {
+                        if (error && this.utils.isWebServiceError(error)) {
+                            // The WebService has thrown an error, this means it cannot be performed. Discard.
+                            discardError = error.message || error.error;
+                        } else {
+                            // Couldn't connect to server, reject.
+                            return Promise.reject(error);
+                        }
+                    }).then(() => {
+                        // Delete the offline data.
+                        result.updated = true;
+
+                        return this.workshopOffline.deleteSubmissionAction(action.workshopid, action.submissionid, action.action,
+                                siteId);
+                    });
+                });
+            });
+
+            return promise.then(() => {
+                if (discardError) {
+                    // Submission was discarded, add a warning.
+                    const message = this.translate.instant('core.warningofflinedatadeleted', {
+                        component: this.componentTranslate,
+                        name: workshop.name,
+                        error: discardError
+                    });
+
+                    if (result.warnings.indexOf(message) == -1) {
+                        result.warnings.push(message);
+                    }
+                }
+            });
+        });
+    }
+
+    /**
+     * Synchronize an assessment.
+     *
+     * @param  {any}    workshop   Workshop.
+     * @param  {any}    assessment Assessment offline data.
+     * @param  {any}    result     Object with the result of the sync.
+     * @param  {string} siteId     Site ID.
+     * @return {Promise<any>}      Promise resolved if success, rejected otherwise.
+     */
+    protected syncAssessment(workshop: any, assessmentData: any, result: any, siteId: string): Promise<any> {
+        let discardError;
+        const assessmentId = assessmentData.assessmentid;
+
+        const timePromise = this.workshopProvider.getAssessment(workshop.id, assessmentId, siteId).then((assessment) => {
+            return assessment.timemodified;
+        }).catch(() => {
+            return -1;
+        });
+
+        return timePromise.then((timemodified) => {
+            if (timemodified < 0 || timemodified >= assessmentData.timemodified) {
+                // The entry was not found in Moodle or the entry has been modified, discard the action.
+                result.updated = true;
+                discardError = this.translate.instant('addon.mod_workshop.warningassessmentmodified');
+
+                return this.workshopOffline.deleteAssessment(workshop.id, assessmentId, siteId);
+            }
+
+            let fileProm;
+            const inputData = assessmentData.inputdata;
+
+            // Upload attachments first if any.
+            if (inputData.feedbackauthorattachmentsid) {
+                fileProm = this.workshopHelper.getAssessmentFilesFromOfflineFilesObject(inputData.feedbackauthorattachmentsid,
+                        workshop.id, assessmentId, siteId).then((files) => {
+                    return this.workshopHelper.uploadOrStoreAssessmentFiles(workshop.id, assessmentId, files, false, siteId);
+                });
+            } else {
+                // Remove all files.
+                fileProm = this.workshopHelper.uploadOrStoreAssessmentFiles(workshop.id, assessmentId, [], false, siteId);
+            }
+
+            return fileProm.then((attachmentsId) => {
+                inputData.feedbackauthorattachmentsid = attachmentsId || 0;
+
+                return this.workshopProvider.updateAssessmentOnline(assessmentId, inputData, siteId);
+            }).catch((error) => {
+                if (error && this.utils.isWebServiceError(error)) {
+                    // The WebService has thrown an error, this means it cannot be performed. Discard.
+                    discardError = error.message || error.error;
+                } else {
+                    // Couldn't connect to server, reject.
+                    return Promise.reject(error);
+                }
+            }).then(() => {
+                // Delete the offline data.
+                result.updated = true;
+
+                return this.workshopOffline.deleteAssessment(workshop.id, assessmentId, siteId);
+            });
+        }).then(() => {
+            if (discardError) {
+                // Assessment was discarded, add a warning.
+                const message = this.translate.instant('core.warningofflinedatadeleted', {
+                    component: this.componentTranslate,
+                    name: workshop.name,
+                    error: discardError
+                });
+
+                if (result.warnings.indexOf(message) == -1) {
+                    result.warnings.push(message);
+                }
+            }
+        });
+    }
+
+    /**
+     * Synchronize a submission evaluation.
+     *
+     * @param  {any}    workshop Workshop.
+     * @param  {any}    evaluate Submission evaluation offline data.
+     * @param  {any}    result   Object with the result of the sync.
+     * @param  {string} siteId   Site ID.
+     * @return {Promise<any>}    Promise resolved if success, rejected otherwise.
+     */
+    protected syncEvaluateSubmission(workshop: any, evaluate: any, result: any, siteId: string): Promise<any> {
+        let discardError;
+        const submissionId = evaluate.submissionid;
+
+        const timePromise = this.workshopProvider.getSubmission(workshop.id, submissionId, siteId).then((submission) => {
+            return submission.timemodified;
+        }).catch(() => {
+            return -1;
+        });
+
+        return timePromise.then((timemodified) => {
+            if (timemodified < 0 || timemodified >= evaluate.timemodified) {
+                // The entry was not found in Moodle or the entry has been modified, discard the action.
+                result.updated = true;
+                discardError = this.translate.instant('addon.mod_workshop.warningsubmissionmodified');
+
+                return this.workshopOffline.deleteEvaluateSubmission(workshop.id, submissionId, siteId);
+            }
+
+            return this.workshopProvider.evaluateSubmissionOnline(submissionId, evaluate.feedbacktext, evaluate.published,
+                evaluate.gradeover, siteId).catch((error) => {
+                if (error && this.utils.isWebServiceError(error)) {
+                    // The WebService has thrown an error, this means it cannot be performed. Discard.
+                    discardError = error.message || error.error;
+                } else {
+                    // Couldn't connect to server, reject.
+                    return Promise.reject(error && error.error);
+                }
+            }).then(() => {
+                // Delete the offline data.
+                result.updated = true;
+
+                return this.workshopOffline.deleteEvaluateSubmission(workshop.id, submissionId, siteId);
+            });
+        }).then(() => {
+            if (discardError) {
+                // Assessment was discarded, add a warning.
+                const message = this.translate.instant('core.warningofflinedatadeleted', {
+                    component: this.componentTranslate,
+                    name: workshop.name,
+                    error: discardError
+                });
+
+                if (result.warnings.indexOf(message) == -1) {
+                    result.warnings.push(message);
+                }
+            }
+        });
+    }
+
+    /**
+     * Synchronize a assessment evaluation.
+     *
+     * @param  {any}    workshop Workshop.
+     * @param  {any}    evaluate Assessment evaluation offline data.
+     * @param  {any}    result   Object with the result of the sync.
+     * @param  {string} siteId   Site ID.
+     * @return {Promise<any>}    Promise resolved if success, rejected otherwise.
+     */
+    protected syncEvaluateAssessment(workshop: any, evaluate: any, result: any, siteId: string): Promise<any> {
+        let discardError;
+        const assessmentId = evaluate.assessmentid;
+
+        const timePromise = this.workshopProvider.getAssessment(workshop.id, assessmentId, siteId).then((assessment) => {
+            return assessment.timemodified;
+        }).catch(() => {
+            return -1;
+        });
+
+        return timePromise.then((timemodified) => {
+            if (timemodified < 0 || timemodified >= evaluate.timemodified) {
+                // The entry was not found in Moodle or the entry has been modified, discard the action.
+                result.updated = true;
+                discardError = this.translate.instant('addon.mod_workshop.warningassessmentmodified');
+
+                return this.workshopOffline.deleteEvaluateAssessment(workshop.id, assessmentId, siteId);
+            }
+
+            return this.workshopProvider.evaluateAssessmentOnline(assessmentId, evaluate.feedbacktext, evaluate.weight,
+                evaluate.gradinggradeover, siteId).catch((error) => {
+                if (error && this.utils.isWebServiceError(error)) {
+                    // The WebService has thrown an error, this means it cannot be performed. Discard.
+                    discardError = error.message || error.error;
+                } else {
+                    // Couldn't connect to server, reject.
+                    return Promise.reject(error && error.error);
+                }
+            }).then(() => {
+                // Delete the offline data.
+                result.updated = true;
+
+                return this.workshopOffline.deleteEvaluateAssessment(workshop.id, assessmentId, siteId);
+            });
+        }).then(() => {
+            if (discardError) {
+                // Assessment was discarded, add a warning.
+                const message = this.translate.instant('core.warningofflinedatadeleted', {
+                    component: this.componentTranslate,
+                    name: workshop.name,
+                    error: discardError
+                });
+
+                if (result.warnings.indexOf(message) == -1) {
+                    result.warnings.push(message);
+                }
+            }
+        });
+    }
+}

src/addon/mod/workshop/workshop.module.ts

@@ -0,0 +1,121 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { NgModule } from '@angular/core';
+import { CoreCronDelegate } from '@providers/cron';
+import { CoreContentLinksDelegate } from '@core/contentlinks/providers/delegate';
+import { CoreCourseModuleDelegate } from '@core/course/providers/module-delegate';
+import { CoreCourseModulePrefetchDelegate } from '@core/course/providers/module-prefetch-delegate';
+import { AddonModWorkshopAssessmentStrategyModule } from './assessment/assessment.module';
+import { AddonModWorkshopComponentsModule } from './components/components.module';
+import { AddonModWorkshopModuleHandler } from './providers/module-handler';
+import { AddonModWorkshopProvider } from './providers/workshop';
+import { AddonModWorkshopLinkHandler } from './providers/link-handler';
+import { AddonModWorkshopOfflineProvider } from './providers/offline';
+import { AddonModWorkshopSyncProvider } from './providers/sync';
+import { AddonModWorkshopHelperProvider } from './providers/helper';
+import { AddonWorkshopAssessmentStrategyDelegate } from './providers/assessment-strategy-delegate';
+import { AddonModWorkshopPrefetchHandler } from './providers/prefetch-handler';
+import { AddonModWorkshopSyncCronHandler } from './providers/sync-cron-handler';
+import { CoreUpdateManagerProvider } from '@providers/update-manager';
+
+// List of providers (without handlers).
+export const ADDON_MOD_WORKSHOP_PROVIDERS: any[] = [
+    AddonModWorkshopProvider,
+    AddonModWorkshopOfflineProvider,
+    AddonModWorkshopSyncProvider,
+    AddonModWorkshopHelperProvider,
+    AddonWorkshopAssessmentStrategyDelegate
+];
+
+@NgModule({
+    declarations: [
+    ],
+    imports: [
+        AddonModWorkshopComponentsModule,
+        AddonModWorkshopAssessmentStrategyModule
+    ],
+    providers: [
+        AddonModWorkshopProvider,
+        AddonModWorkshopModuleHandler,
+        AddonModWorkshopLinkHandler,
+        AddonModWorkshopOfflineProvider,
+        AddonModWorkshopSyncProvider,
+        AddonModWorkshopHelperProvider,
+        AddonWorkshopAssessmentStrategyDelegate,
+        AddonModWorkshopPrefetchHandler,
+        AddonModWorkshopSyncCronHandler
+    ]
+})
+export class AddonModWorkshopModule {
+    constructor(moduleDelegate: CoreCourseModuleDelegate, moduleHandler: AddonModWorkshopModuleHandler,
+            contentLinksDelegate: CoreContentLinksDelegate, linkHandler: AddonModWorkshopLinkHandler,
+            prefetchDelegate: CoreCourseModulePrefetchDelegate, prefetchHandler: AddonModWorkshopPrefetchHandler,
+            cronDelegate: CoreCronDelegate, syncHandler: AddonModWorkshopSyncCronHandler,
+            updateManager: CoreUpdateManagerProvider) {
+
+        moduleDelegate.registerHandler(moduleHandler);
+        contentLinksDelegate.registerHandler(linkHandler);
+        prefetchDelegate.registerHandler(prefetchHandler);
+        cronDelegate.register(syncHandler);
+
+        // Allow migrating the tables from the old app to the new schema.
+        updateManager.registerSiteTablesMigration([
+            {
+                name: 'mma_mod_workshop_offline_submissions',
+                newName: AddonModWorkshopOfflineProvider.SUBMISSIONS_TABLE,
+                fields: [
+                    {
+                        name: 'attachmentsid',
+                        type: 'object'
+                    }
+                ]
+            },
+            {
+                name: 'mma_mod_workshop_offline_assessments',
+                newName: AddonModWorkshopOfflineProvider.ASSESSMENTS_TABLE,
+                fields: [
+                    {
+                        name: 'inputdata',
+                        type: 'object'
+                    }
+                ]
+            },
+            {
+                name: 'mma_mod_workshop_offline_evaluate_submissions',
+                newName: AddonModWorkshopOfflineProvider.EVALUATE_SUBMISSIONS_TABLE,
+                fields: [
+                    {
+                        name: 'gradeover',
+                        type: 'object'
+                    },
+                    {
+                        name: 'published',
+                        type: 'boolean'
+                    }
+                ]
+            },
+            {
+                name: 'mma_mod_workshop_offline_evaluate_assessments',
+                newName: AddonModWorkshopOfflineProvider.EVALUATE_ASSESSMENTS_TABLE,
+                fields: [
+                    {
+                        name: 'gradinggradeover',
+                        type: 'object'
+                    }
+                ]
+            }
+        ]);
+    }
+}

src/addon/mod/workshop/workshop.scss

@@ -0,0 +1,14 @@
+addon-mod-workshop-submission,
+addon-mod-workshop-submission-page,
+addon-mod-workshop-assessment,
+addon-mod-workshop-assessment-page {
+
+  p.addon-overriden-grade {
+    color: color($colors, success);
+  }
+
+  p.addon-has-overriden-grade {
+    color: color($colors, danger);
+    text-decoration: line-through;
+  }
+}

src/addon/notes/components/list/addon-notes-list.html

@@ -32,7 +32,7 @@
                     </ion-avatar>
                     <h2>{{note.userfullname}}</h2>
                     <p *ngIf="!note.offline" item-end>{{note.lastmodified | coreDateDayOrTime}}</p>
-                    <p *ngIf="note.offline" item-end><ion-icon name="clock"></ion-icon> {{ 'core.notsent' | translate }}</p>
+                    <p *ngIf="note.offline" item-end><ion-icon name="time"></ion-icon> {{ 'core.notsent' | translate }}</p>
                 </ion-item>
                 <ion-item text-wrap>
                     <core-format-text [clean]="true" [text]="note.content"></core-format-text>

src/app/app.ios.scss

@@ -111,3 +111,11 @@
     padding-left: 15px * $i + $item-ios-padding-start;
   }
 }
+
+// Recover borders on items inside cards.
+.card-ios.with-borders  .item-ios.item-block .item-inner {
+  border-bottom: $hairlines-width solid $list-ios-border-color;
+}
+.card-ios.with-borders .item-ios:last-child .item-inner {
+  border-bottom: 0;
+}

src/app/app.md.scss

@@ -112,3 +112,12 @@
     padding-left: 15px * $i + $item-md-padding-start;
   }
 }
+
+
+// Recover borders on items inside cards.
+.card-md.with-borders .item-md.item-block .item-inner {
+  border-bottom: 1px solid $list-md-border-color;
+}
+.card-md.with-borders .item-md:last-child .item-inner {
+  border-bottom: 0;
+}

src/app/app.module.ts

@@ -96,6 +96,7 @@ import { AddonModQuizModule } from '@addon/mod/quiz/quiz.module';
 import { AddonModScormModule } from '@addon/mod/scorm/scorm.module';
 import { AddonModUrlModule } from '@addon/mod/url/url.module';
 import { AddonModSurveyModule } from '@addon/mod/survey/survey.module';
+import { AddonModWorkshopModule } from '@addon/mod/workshop/workshop.module';
 import { AddonModImscpModule } from '@addon/mod/imscp/imscp.module';
 import { AddonModWikiModule } from '@addon/mod/wiki/wiki.module';
 import { AddonMessageOutputModule } from '@addon/messageoutput/messageoutput.module';
@@ -202,6 +203,7 @@ export const CORE_PROVIDERS: any[] = [
         AddonModScormModule,
         AddonModUrlModule,
         AddonModSurveyModule,
+        AddonModWorkshopModule,
         AddonModImscpModule,
         AddonModWikiModule,
         AddonMessageOutputModule,

src/app/app.wp.scss

@@ -47,3 +47,11 @@
     padding-left: 15px * $i + $item-wp-padding-start;
   }
 }
+
+// Recover borders on items inside cards.
+.card-wp.with-borders  .item-wp.item-block .item-inner {
+  border-bottom: 1px solid $list-wp-border-color;
+}
+.card-wp.with-borders .item-wp:last-child .item-inner {
+  border-bottom: 0;
+}

src/core/compile/providers/compile.ts

@@ -108,6 +108,7 @@ import { ADDON_MOD_SCORM_PROVIDERS } from '@addon/mod/scorm/scorm.module';
 import { ADDON_MOD_SURVEY_PROVIDERS } from '@addon/mod/survey/survey.module';
 import { ADDON_MOD_URL_PROVIDERS } from '@addon/mod/url/url.module';
 import { ADDON_MOD_WIKI_PROVIDERS } from '@addon/mod/wiki/wiki.module';
+import { ADDON_MOD_WORKSHOP_PROVIDERS } from '@addon/mod/workshop/workshop.module';
 import { ADDON_NOTES_PROVIDERS } from '@addon/notes/notes.module';
 import { ADDON_NOTIFICATIONS_PROVIDERS } from '@addon/notifications/notifications.module';
 import { ADDON_PUSHNOTIFICATIONS_PROVIDERS } from '@addon/pushnotifications/pushnotifications.module';
@@ -115,6 +116,7 @@ import { ADDON_REMOTETHEMES_PROVIDERS } from '@addon/remotethemes/remotethemes.m
 
 // Import some addon modules that define components, directives and pipes. Only import the important ones.
 import { AddonModAssignComponentsModule } from '@addon/mod/assign/components/components.module';
+import { AddonModWorkshopComponentsModule } from '@addon/mod/workshop/components/components.module';
 
 /**
  * Service to provide functionalities regarding compiling dynamic HTML and Javascript.
@@ -136,6 +138,7 @@ export class CoreCompileProvider {
         IonicModule, TranslateModule.forChild(), CoreComponentsModule, CoreDirectivesModule, CorePipesModule,
         CoreCourseComponentsModule, CoreCoursesComponentsModule, CoreSiteHomeComponentsModule, CoreUserComponentsModule,
         CoreCourseDirectivesModule, CoreSitePluginsDirectivesModule, CoreQuestionComponentsModule, AddonModAssignComponentsModule,
+        AddonModWorkshopComponentsModule
     ];
 
     constructor(protected injector: Injector, logger: CoreLoggerProvider, compilerFactory: JitCompilerFactory) {
@@ -222,7 +225,7 @@ export class CoreCompileProvider {
                 .concat(ADDON_MOD_LESSON_PROVIDERS).concat(ADDON_MOD_LTI_PROVIDERS).concat(ADDON_MOD_PAGE_PROVIDERS)
                 .concat(ADDON_MOD_QUIZ_PROVIDERS).concat(ADDON_MOD_RESOURCE_PROVIDERS).concat(ADDON_MOD_SCORM_PROVIDERS)
                 .concat(ADDON_MOD_SURVEY_PROVIDERS).concat(ADDON_MOD_URL_PROVIDERS).concat(ADDON_MOD_WIKI_PROVIDERS)
-                .concat(ADDON_NOTES_PROVIDERS).concat(ADDON_NOTIFICATIONS_PROVIDERS)
+                .concat(ADDON_MOD_WORKSHOP_PROVIDERS).concat(ADDON_NOTES_PROVIDERS).concat(ADDON_NOTIFICATIONS_PROVIDERS)
                 .concat(ADDON_PUSHNOTIFICATIONS_PROVIDERS).concat(ADDON_REMOTETHEMES_PROVIDERS);
 
         // We cannot inject anything to this constructor. Use the Injector to inject all the providers into the instance.

src/core/grades/providers/helper.ts

@@ -20,6 +20,7 @@ import { CoreCourseProvider } from '@core/course/providers/course';
 import { CoreGradesProvider } from './grades';
 import { CoreTextUtilsProvider } from '@providers/utils/text';
 import { CoreUrlUtilsProvider } from '@providers/utils/url';
+import { CoreUtilsProvider } from '@providers/utils/utils';
 import { CoreDomUtilsProvider } from '@providers/utils/dom';
 
 /**
@@ -32,7 +33,7 @@ export class CoreGradesHelperProvider {
     constructor(logger: CoreLoggerProvider, private coursesProvider: CoreCoursesProvider,
             private gradesProvider: CoreGradesProvider, private sitesProvider: CoreSitesProvider,
             private textUtils: CoreTextUtilsProvider, private courseProvider: CoreCourseProvider,
-            private domUtils: CoreDomUtilsProvider, private urlUtils: CoreUrlUtilsProvider) {
+            private domUtils: CoreDomUtilsProvider, private urlUtils: CoreUrlUtilsProvider, private utils: CoreUtilsProvider) {
         this.logger = logger.getInstance('CoreGradesHelperProvider');
     }
 
@@ -446,4 +447,55 @@ export class CoreGradesHelperProvider {
 
         return row;
     }
+
+    /**
+     * Creates an array that represents all the current grades that can be chosen using the given grading type.
+     * Negative numbers are scales, zero is no grade, and positive numbers are maximum grades.
+     *
+     * Taken from make_grades_menu on moodlelib.php
+     *
+     * @param  {number} gradingType     If positive, max grade you can provide. If negative, scale Id.
+     * @param  {number} moduleId        Module Id needed to retrieve the scale.
+     * @param  {string} [defaultLabel]  Element that will become default option, if not defined, it won't be added.
+     * @param  {any}    [defaultValue]  Element that will become default option value. Default ''.
+     * @param  {string} [scale]         Scale csv list String. If not provided, it will take it from the module grade info.
+     * @return {Promise<any[]>}         Array with objects with value and label to create a propper HTML select.
+     */
+    makeGradesMenu(gradingType: number, moduleId: number, defaultLabel: string = '', defaultValue: any = '', scale?: string):
+            Promise<any[]> {
+        if (gradingType < 0) {
+            if (scale) {
+                return Promise.resolve(this.utils.makeMenuFromList(scale, defaultLabel, undefined, defaultValue));
+            } else {
+                return this.courseProvider.getModuleBasicGradeInfo(moduleId).then((gradeInfo) => {
+                    if (gradeInfo.scale) {
+                        return this.utils.makeMenuFromList(gradeInfo.scale, defaultLabel, undefined,  defaultValue);
+                    }
+
+                    return [];
+                });
+            }
+        }
+
+        if (gradingType > 0) {
+            const grades = [];
+            if (defaultLabel) {
+                // Key as string to avoid resorting of the object.
+                grades.push({
+                    label: defaultLabel,
+                    value: defaultValue
+                });
+            }
+            for (let i = gradingType; i >= 0; i--) {
+                 grades.push({
+                    label: i + ' / ' + gradingType,
+                    value: i
+                });
+            }
+
+            return Promise.resolve(grades);
+        }
+
+        return Promise.resolve([]);
+    }
 }

src/core/siteplugins/classes/handlers/workshop-assessment-strategy-handler.ts

@@ -0,0 +1,81 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Injector } from '@angular/core';
+import { AddonWorkshopAssessmentStrategyHandler } from '@addon/mod/workshop/providers/assessment-strategy-delegate';
+import {
+    CoreSitePluginsWorkshopAssessmentStrategyComponent
+} from '../../components/workshop-assessment-strategy/workshop-assessment-strategy';
+
+/**
+ * Handler to display a workshop assessment strategy site plugin.
+ */
+export class CoreSitePluginsWorkshopAssessmentStrategyHandler implements AddonWorkshopAssessmentStrategyHandler {
+
+    constructor(public name: string, public strategyName: string) { }
+
+    /**
+     * Return the Component to use to display the plugin data, either in read or in edit mode.
+     * It's recommended to return the class of the component, but you can also return an instance of the component.
+     *
+     * @param {Injector} injector Injector.
+     * @param {any} plugin The plugin object.
+     * @param {boolean} [edit] Whether the user is editing.
+     * @return {any|Promise<any>} The component (or promise resolved with component) to use, undefined if not found.
+     */
+    getComponent(injector: Injector): any | Promise<any> {
+        return CoreSitePluginsWorkshopAssessmentStrategyComponent;
+    }
+
+    /**
+     * Prepare original values to be shown and compared.
+     *
+     * @param  {any}    form       Original data of the form.
+     * @param  {number} workshopId WorkShop Id
+     * @return {Promise<any[]>}    Promise resolved with original values sorted.
+     */
+     getOriginalValues(form: any, workshopId: number): Promise<any[]> {
+         return Promise.resolve([]);
+     }
+
+    /**
+     * Check if the assessment data has changed for a certain submission and workshop for a this strategy plugin.
+     *
+     * @param  {any[]} originalValues Original values of the form.
+     * @param  {any[]} currentValues  Current values of the form.
+     * @return {boolean}              True if data has changed, false otherwise.
+     */
+    hasDataChanged(originalValues: any[], currentValues: any[]): boolean {
+        return false;
+    }
+
+    /**
+     * Whether or not the handler is enabled on a site level.
+     * @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
+     */
+    isEnabled(): boolean | Promise<boolean> {
+        return true;
+    }
+
+    /**
+     * Prepare assessment data to be sent to the server depending on the strategy selected.
+     *
+     * @param  {any{}} currentValues Current values of the form.
+     * @param  {any}   form          Assessment form data.
+     * @return {Promise<any>}        Promise resolved with the data to be sent. Or rejected with the input errors object.
+     */
+    prepareAssessmentData(currentValues: any[], form: any): Promise<any> {
+        return Promise.resolve({});
+    }
+}

src/core/siteplugins/components/workshop-assessment-strategy/core-siteplugins-workshop-assessment-strategy.html

@@ -0,0 +1 @@
+<core-compile-html [text]="content" [jsData]="jsData" (created)="componentCreated($event)"></core-compile-html>

src/core/siteplugins/components/workshop-assessment-strategy/workshop-assessment-strategy.ts

@@ -0,0 +1,54 @@
+// (C) Copyright 2015 Martin Dougiamas
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { Component, OnInit, Input } from '@angular/core';
+import { CoreSitePluginsProvider } from '../../providers/siteplugins';
+import { CoreSitePluginsCompileInitComponent } from '../../classes/compile-init-component';
+
+/**
+ * Component that displays a workshop assessment strategy plugin created using a site plugin.
+ */
+@Component({
+    selector: 'core-siteplugins-workshop-assessment-strategy',
+    templateUrl: 'core-siteplugins-workshop-assessment-strategy.html',
+})
+export class CoreSitePluginsWorkshopAssessmentStrategyComponent extends CoreSitePluginsCompileInitComponent implements OnInit {
+    @Input() workshopId: number;
+    @Input() assessment: any;
+    @Input() edit: boolean;
+    @Input() selectedValues: any[];
+    @Input() fieldErrors: any;
+    @Input() strategy: string;
+
+    constructor(sitePluginsProvider: CoreSitePluginsProvider) {
+        super(sitePluginsProvider);
+    }
+
+    /**
+     * Component being initialized.
+     */
+    ngOnInit(): void {
+        // Pass the input and output data to the component.
+        this.jsData = {
+            workshopId: this.workshopId,
+            assessment: this.assessment,
+            edit: this.edit,
+            selectedValues: this.selectedValues,
+            fieldErrors: this.fieldErrors,
+            strategy: this.strategy
+        };
+
+        this.getHandlerData('workshopform_' + this.strategy);
+    }
+}

src/core/siteplugins/providers/helper.ts

@@ -43,6 +43,7 @@ import { AddonMessageOutputDelegate } from '@addon/messageoutput/providers/deleg
 import { AddonModQuizAccessRuleDelegate } from '@addon/mod/quiz/providers/access-rules-delegate';
 import { AddonModAssignFeedbackDelegate } from '@addon/mod/assign/providers/feedback-delegate';
 import { AddonModAssignSubmissionDelegate } from '@addon/mod/assign/providers/submission-delegate';
+import { AddonWorkshopAssessmentStrategyDelegate } from '@addon/mod/workshop/providers/assessment-strategy-delegate';
 
 // Handler classes.
 import { CoreSitePluginsCourseFormatHandler } from '../classes/handlers/course-format-handler';
@@ -59,6 +60,7 @@ import { CoreSitePluginsMessageOutputHandler } from '../classes/handlers/message
 import { CoreSitePluginsQuizAccessRuleHandler } from '../classes/handlers/quiz-access-rule-handler';
 import { CoreSitePluginsAssignFeedbackHandler } from '../classes/handlers/assign-feedback-handler';
 import { CoreSitePluginsAssignSubmissionHandler } from '../classes/handlers/assign-submission-handler';
+import { CoreSitePluginsWorkshopAssessmentStrategyHandler } from '../classes/handlers/workshop-assessment-strategy-handler';
 
 /**
  * Helper service to provide functionalities regarding site plugins. It basically has the features to load and register site
@@ -85,7 +87,8 @@ export class CoreSitePluginsHelperProvider {
             private questionBehaviourDelegate: CoreQuestionBehaviourDelegate, private questionProvider: CoreQuestionProvider,
             private messageOutputDelegate: AddonMessageOutputDelegate, private accessRulesDelegate: AddonModQuizAccessRuleDelegate,
             private assignSubmissionDelegate: AddonModAssignSubmissionDelegate, private translate: TranslateService,
-            private assignFeedbackDelegate: AddonModAssignFeedbackDelegate) {
+            private assignFeedbackDelegate: AddonModAssignFeedbackDelegate,
+            private workshopAssessmentStrategyDelegate: AddonWorkshopAssessmentStrategyDelegate) {
 
         this.logger = logger.getInstance('CoreSitePluginsHelperProvider');
 
@@ -483,6 +486,10 @@ export class CoreSitePluginsHelperProvider {
                     promise = Promise.resolve(this.registerAssignSubmissionHandler(plugin, handlerName, handlerSchema));
                     break;
 
+                case 'AddonWorkshopAssessmentStrategyDelegate':
+                    promise = Promise.resolve(this.registerWorkshopAssessmentStrategyHandler(plugin, handlerName, handlerSchema));
+                    break;
+
                 default:
                     // Nothing to do.
                     promise = Promise.resolve();
@@ -864,4 +871,24 @@ export class CoreSitePluginsHelperProvider {
             return new CoreSitePluginsUserProfileFieldHandler(uniqueName, fieldType);
         });
     }
+
+    /**
+     * Given a handler in a plugin, register it in the workshop assessment strategy delegate.
+     *
+     * @param {any} plugin Data of the plugin.
+     * @param {string} handlerName Name of the handler in the plugin.
+     * @param {any} handlerSchema Data about the handler.
+     * @return {string|Promise<string>} A string (or a promise resolved with a string) to identify the handler.
+     */
+    protected registerWorkshopAssessmentStrategyHandler(plugin: any, handlerName: string, handlerSchema: any)
+            : string | Promise<string> {
+
+        return this.registerComponentInitHandler(plugin, handlerName, handlerSchema, this.workshopAssessmentStrategyDelegate,
+                    (uniqueName: string, result: any) => {
+
+            const strategyName = plugin.component.replace('workshopform_', '');
+
+            return new CoreSitePluginsWorkshopAssessmentStrategyHandler(uniqueName, strategyName);
+        });
+    }
 }

src/directives/auto-rows.ts

@@ -47,8 +47,11 @@ export class CoreAutoRowsDirective {
     /**
      * Resize after content.
      */
-    ngAfterViewContent(): void {
+    ngAfterViewInit(): void {
-        this.resize();
+        // Wait for rendering of child views.
+        setTimeout(() => {
+            this.resize();
+        }, 300);
     }
 
     /**