Merge pull request #1781 from crazyserver/MOBILE-2871

MOBILE-2871 assign: Add group selector on submission list

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

@@ -32,7 +32,15 @@
     </div>
 
     <!-- User can view all submissions (teacher). -->
-    <ion-card *ngIf="assign && canViewAllSubmissions" class="core-list-align-detail-right">
+    <ion-list *ngIf="assign && canViewAllSubmissions" class="core-list-align-detail-right with-borders">
+        <ion-item text-wrap *ngIf="(groupInfo.separateGroups || groupInfo.visibleGroups)">
+            <ion-label id="addon-assign-groupslabel" *ngIf="groupInfo.separateGroups">{{ 'core.groupsseparate' | translate }}</ion-label>
+            <ion-label id="addon-assign-groupslabel" *ngIf="groupInfo.visibleGroups">{{ 'core.groupsvisible' | translate }}</ion-label>
+            <ion-select [(ngModel)]="group" (ionChange)="setGroup(group)" aria-labelledby="addon-assign-groupslabel" interface="action-sheet">
+                <ion-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">{{groupOpt.name}}</ion-option>
+            </ion-select>
+        </ion-item>
+
         <ion-item text-wrap *ngIf="timeRemaining">
             <h2>{{ 'addon.mod_assign.timeremaining' | translate }}</h2>
             <p>{{ timeRemaining }}</p>
@@ -80,7 +88,7 @@
             <ion-icon name="information-circle"></ion-icon>
             {{ 'addon.mod_assign.ungroupedusers' | translate }}
         </div>
-    </ion-card>
+    </ion-list>
 
     <!-- If it's a student, display his submission. -->
     <addon-mod-assign-submission *ngIf="loaded && !canViewAllSubmissions && canViewOwnSubmission" [courseId]="courseId" [moduleId]="module.id"></addon-mod-assign-submission>

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

@@ -14,7 +14,7 @@
 
 import { Component, Optional, Injector, ViewChild } from '@angular/core';
 import { Content, NavController } from 'ionic-angular';
-import { CoreGroupsProvider } from '@providers/groups';
+import { CoreGroupsProvider, CoreGroupInfo } from '@providers/groups';
 import { CoreTimeUtilsProvider } from '@providers/utils/time';
 import { CoreCourseModuleMainActivityComponent } from '@core/course/classes/main-activity-component';
 import { AddonModAssignProvider } from '../../providers/assign';
@@ -45,6 +45,12 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
     summary: any; // The summary.
     needsGradingAvalaible: boolean; // Whether we can see the submissions that need grading.
 
+    groupInfo: CoreGroupInfo = {
+        groups: [],
+        separateGroups: false,
+        visibleGroups: false
+    };
+
     // Status.
     submissionStatusSubmitted = AddonModAssignProvider.SUBMISSION_STATUS_SUBMITTED;
     submissionStatusDraft = AddonModAssignProvider.SUBMISSION_STATUS_DRAFT;
@@ -193,15 +199,13 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
                     }
 
                     // Check if groupmode is enabled to avoid showing wrong numbers.
-                    return this.groupsProvider.activityHasGroups(this.assign.cmid).then((hasGroups) => {
+                    return this.groupsProvider.getActivityGroupInfo(this.assign.cmid, false).then((groupInfo) => {
-                        this.showNumbers = !hasGroups;
+                        this.groupInfo = groupInfo;
+                        this.showNumbers = groupInfo.groups.length == 0 ||
+                            this.sitesProvider.getCurrentSite().isVersionGreaterEqualThan('3.5');
 
-                        return this.assignProvider.getSubmissionStatus(this.assign.id).then((response) => {
+                        return this.setGroup(this.group || (groupInfo.groups && groupInfo.groups[0] && groupInfo.groups[0].id) ||
-                            this.summary = response.gradingsummary;
+                            0);
-
-                            this.needsGradingAvalaible = response.gradingsummary.submissionsneedgradingcount > 0 &&
-                                    this.sitesProvider.getCurrentSite().isVersionGreaterEqualThan('3.2');
-                        });
                     });
                 }
 
@@ -222,6 +226,23 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
         });
     }
 
+    /**
+     * Set group to see the summary.
+     *
+     * @param  {number}       groupId Group ID.
+     * @return {Promise<any>}         Resolved when done.
+     */
+    setGroup(groupId: number): Promise<any> {
+        this.group = groupId;
+
+        return this.assignProvider.getSubmissionStatus(this.assign.id, undefined, this.group).then((response) => {
+            this.summary = response.gradingsummary;
+
+            this.needsGradingAvalaible = response.gradingsummary && response.gradingsummary.submissionsneedgradingcount > 0 &&
+                    this.sitesProvider.getCurrentSite().isVersionGreaterEqualThan('3.2');
+        });
+    }
+
     /**
      * Go to view a list of submissions.
      *
@@ -232,6 +253,7 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
         if (typeof status == 'undefined') {
             this.navCtrl.push('AddonModAssignSubmissionListPage', {
                 courseId: this.courseId,
+                groupId: this.group || 0,
                 moduleId: this.module.id,
                 moduleName: this.moduleName
             });
@@ -239,6 +261,7 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
             this.navCtrl.push('AddonModAssignSubmissionListPage', {
                 status: status,
                 courseId: this.courseId,
+                groupId: this.group || 0,
                 moduleId: this.module.id,
                 moduleName: this.moduleName
             });
@@ -273,7 +296,7 @@ export class AddonModAssignIndexComponent extends CoreCourseModuleMainActivityCo
             promises.push(this.assignProvider.invalidateAllSubmissionData(this.assign.id));
 
             if (this.canViewAllSubmissions) {
-                promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id));
+                promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id, undefined, this.group));
             }
         }
 

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

@@ -338,7 +338,8 @@ export class AddonModAssignSubmissionComponent implements OnInit, OnDestroy {
 
         promises.push(this.assignProvider.invalidateAssignmentData(this.courseId));
         if (this.assign) {
-            promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id, this.submitId, !!this.blindId));
+            promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id, this.submitId, undefined,
+                !!this.blindId));
             promises.push(this.assignProvider.invalidateAssignmentUserMappingsData(this.assign.id));
             promises.push(this.assignProvider.invalidateListParticipantsData(this.assign.id));
         }
@@ -408,7 +409,7 @@ export class AddonModAssignSubmissionComponent implements OnInit, OnDestroy {
             return Promise.all(promises);
         }).then(() => {
             // Get submission status.
-            return this.assignProvider.getSubmissionStatusWithRetry(this.assign, this.submitId, isBlind);
+            return this.assignProvider.getSubmissionStatusWithRetry(this.assign, this.submitId, undefined, isBlind);
         }).then((response) => {
 
             const promises = [];

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

@@ -121,9 +121,11 @@ export class AddonModAssignEditPage implements OnInit, OnDestroy {
         }).then(() => {
 
             // Get submission status. Ignore cache to get the latest data.
-            return this.assignProvider.getSubmissionStatus(this.assign.id, this.userId, this.isBlind, false, true).catch((err) => {
+            return this.assignProvider.getSubmissionStatus(this.assign.id, this.userId, undefined, this.isBlind, false, true)
+                    .catch((err) => {
                 // Cannot connect. Get cached data.
-                return this.assignProvider.getSubmissionStatus(this.assign.id, this.userId, this.isBlind).then((response) => {
+                return this.assignProvider.getSubmissionStatus(this.assign.id, this.userId, undefined, this.isBlind)
+                        .then((response) => {
                     const userSubmission = this.assignProvider.getSubmissionObjectFromAttempt(this.assign, response.lastattempt);
 
                     // Check if the user can edit it in offline.

src/addon/mod/assign/pages/submission-list/submission-list.html

@@ -15,10 +15,17 @@
             </core-empty-box>
 
             <ion-list>
+                <ion-item text-wrap *ngIf="(groupInfo.separateGroups || groupInfo.visibleGroups)">
+                    <ion-label id="addon-assign-groupslabel" *ngIf="groupInfo.separateGroups">{{ 'core.groupsseparate' | translate }}</ion-label>
+                    <ion-label id="addon-assign-groupslabel" *ngIf="groupInfo.visibleGroups">{{ 'core.groupsvisible' | translate }}</ion-label>
+                    <ion-select [(ngModel)]="groupId" (ionChange)="setGroup(groupId)" aria-labelledby="addon-assign-groupslabel" interface="action-sheet">
+                        <ion-option *ngFor="let groupOpt of groupInfo.groups" [value]="groupOpt.id">{{groupOpt.name}}</ion-option>
+                    </ion-select>
+                </ion-item>
                 <!-- List of submissions. -->
                 <ng-container *ngFor="let submission of submissions">
-                    <a ion-item text-wrap (click)="loadSubmission(submission)" [class.core-split-item-selected]="submission.id == selectedSubmissionId">
+                    <a ion-item text-wrap (click)="loadSubmission(submission)" [class.core-split-item-selected]="submission.submitid == selectedSubmissionId">
-                        <ion-avatar core-user-avatar [user]="submission" item-start></ion-avatar>
+                        <ion-avatar core-user-avatar [user]="submission" [linkProfile]="false" item-start></ion-avatar>
                         <h2 *ngIf="submission.userfullname">{{submission.userfullname}}</h2>
                         <h2 *ngIf="!submission.userfullname">{{ 'addon.mod_assign.hiddenuser' | translate }}{{submission.blindid}}</h2>
                         <p *ngIf="assign.teamsubmission">

src/addon/mod/assign/pages/submission-list/submission-list.ts

@@ -18,6 +18,7 @@ import { TranslateService } from '@ngx-translate/core';
 import { CoreEventsProvider } from '@providers/events';
 import { CoreSitesProvider } from '@providers/sites';
 import { CoreDomUtilsProvider } from '@providers/utils/dom';
+import { CoreGroupsProvider, CoreGroupInfo } from '@providers/groups';
 import { AddonModAssignProvider } from '../../providers/assign';
 import { AddonModAssignOfflineProvider } from '../../providers/assign-offline';
 import { AddonModAssignHelperProvider } from '../../providers/helper';
@@ -40,19 +41,28 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
     loaded: boolean; // Whether data has been loaded.
     haveAllParticipants: boolean; // Whether all participants have been loaded.
     selectedSubmissionId: number; // Selected submission ID.
+    groupId = 0; // Group ID to show.
+
+    groupInfo: CoreGroupInfo = {
+        groups: [],
+        separateGroups: false,
+        visibleGroups: false
+    };
 
     protected moduleId: number; // Module ID the submission belongs to.
     protected courseId: number; // Course ID the assignment belongs to.
     protected selectedStatus: string; // The status to see.
     protected gradedObserver; // Observer to refresh data when a grade changes.
+    protected submissionsData: any;
 
     constructor(navParams: NavParams, sitesProvider: CoreSitesProvider, eventsProvider: CoreEventsProvider,
             protected domUtils: CoreDomUtilsProvider, protected translate: TranslateService,
             protected assignProvider: AddonModAssignProvider, protected assignOfflineProvider: AddonModAssignOfflineProvider,
-            protected assignHelper: AddonModAssignHelperProvider) {
+            protected assignHelper: AddonModAssignHelperProvider, protected groupsProvider: CoreGroupsProvider) {
 
         this.moduleId = navParams.get('moduleId');
         this.courseId = navParams.get('courseId');
+        this.groupId = navParams.get('groupId');
         this.selectedStatus = navParams.get('status');
 
         if (this.selectedStatus) {
@@ -98,15 +108,11 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
      * @return {Promise<any>} Promise resolved when done.
      */
     protected fetchAssignment(): Promise<any> {
-        let participants,
-            submissionsData,
-            grades;
 
         // Get assignment data.
         return this.assignProvider.getAssignment(this.courseId, this.moduleId).then((assign) => {
             this.title = assign.name || this.title;
             this.assign = assign;
-            this.haveAllParticipants = true;
 
             // Get assignment submissions.
             return this.assignProvider.getSubmissions(assign.id);
@@ -116,15 +122,39 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
                 return Promise.reject(null);
             }
 
-            submissionsData = data;
+            this.submissionsData = data;
+
+            // Check if groupmode is enabled to avoid showing wrong numbers.
+            return this.groupsProvider.getActivityGroupInfo(this.assign.cmid, false).then((groupInfo) => {
+                this.groupInfo = groupInfo;
+
+                return this.setGroup(this.groupId || (groupInfo.groups && groupInfo.groups[0] && groupInfo.groups[0].id) || 0);
+            });
+        }).catch((error) => {
+            this.domUtils.showErrorModalDefault(error, 'Error getting assigment data.');
+        });
+    }
+
+    /**
+     * Set group to see the summary.
+     *
+     * @param  {number}       groupId Group ID.
+     * @return {Promise<any>}         Resolved when done.
+     */
+    setGroup(groupId: number): Promise<any> {
+        let participants,
+            grades;
+
+        this.groupId = groupId;
+
+        this.haveAllParticipants = true;
 
         // Get the participants.
-            return this.assignHelper.getParticipants(this.assign).then((parts) => {
+        return this.assignHelper.getParticipants(this.assign, this.groupId).then((parts) => {
             this.haveAllParticipants = true;
             participants = parts;
         }).catch(() => {
             this.haveAllParticipants = false;
-            });
         }).then(() => {
             if (!this.assign.markingworkflow) {
                 // Get assignment grades only if workflow is not enabled to check grading date.
@@ -134,16 +164,16 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
             }
         }).then(() => {
             // We want to show the user data on each submission.
-            return this.assignProvider.getSubmissionsUserData(submissionsData.submissions, this.courseId, this.assign.id,
+            return this.assignProvider.getSubmissionsUserData(this.submissionsData.submissions, this.courseId, this.assign.id,
                     this.assign.blindmarking && !this.assign.revealidentities, participants);
         }).then((submissions) => {
 
             // Filter the submissions to get only the ones with the right status and add some extra data.
             const getNeedGrading = this.selectedStatus == AddonModAssignProvider.NEED_GRADING,
                 searchStatus = getNeedGrading ? AddonModAssignProvider.SUBMISSION_STATUS_SUBMITTED : this.selectedStatus,
-                promises = [];
+                promises = [],
+                showSubmissions = [];
 
-            this.submissions = [];
             submissions.forEach((submission) => {
                 if (!searchStatus || searchStatus == submission.status) {
                     promises.push(this.assignOfflineProvider.getSubmissionGrade(this.assign.id, submission.userid).catch(() => {
@@ -203,15 +233,15 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
                                 submission.gradingStatusTranslationId = false;
                             }
 
-                            this.submissions.push(submission);
+                            showSubmissions.push(submission);
                         });
                     }));
                 }
             });
 
-            return Promise.all(promises);
+            return Promise.all(promises).then(() => {
-        }).catch((error) => {
+                this.submissions = showSubmissions;
-            this.domUtils.showErrorModalDefault(error, 'Error getting assigment data.');
+            });
         });
     }
 
@@ -221,12 +251,12 @@ export class AddonModAssignSubmissionListPage implements OnInit, OnDestroy {
      * @param {any} submission The submission to load.
      */
     loadSubmission(submission: any): void {
-        if (this.selectedSubmissionId === submission.id && this.splitviewCtrl.isOn()) {
+        if (this.selectedSubmissionId === submission.submitid && this.splitviewCtrl.isOn()) {
             // Already selected.
             return;
         }
 
-        this.selectedSubmissionId = submission.id;
+        this.selectedSubmissionId = submission.submitid;
 
         this.splitviewCtrl.push('AddonModAssignSubmissionReviewPage', {
             courseId: this.courseId,

src/addon/mod/assign/pages/submission-review/submission-review.ts

@@ -132,7 +132,8 @@ export class AddonModAssignSubmissionReviewPage implements OnInit {
         if (this.assign) {
             promises.push(this.assignProvider.invalidateSubmissionData(this.assign.id));
             promises.push(this.assignProvider.invalidateAssignmentUserMappingsData(this.assign.id));
-            promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id, this.submitId, this.blindMarking));
+            promises.push(this.assignProvider.invalidateSubmissionStatusData(this.assign.id, this.submitId, undefined,
+                this.blindMarking));
         }
 
         return Promise.all(promises).finally(() => {

src/addon/mod/assign/providers/assign-sync.ts

@@ -275,7 +275,7 @@ export class AddonModAssignSyncProvider extends CoreSyncBaseProvider {
         let discardError,
             submission;
 
-        return this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId).then((status) => {
+        return this.assignProvider.getSubmissionStatus(assign.id, userId, undefined, false, true, true, siteId).then((status) => {
             const promises = [];
 
             submission = this.assignProvider.getSubmissionObjectFromAttempt(assign, status.lastattempt);
@@ -310,7 +310,7 @@ export class AddonModAssignSyncProvider extends CoreSyncBaseProvider {
                     }
                 }).then(() => {
                     // Submission data sent, update cached data. No need to block the user for this.
-                    this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId);
+                    this.assignProvider.getSubmissionStatus(assign.id, userId, undefined, false, true, true, siteId);
                 });
             }).catch((error) => {
                 if (error && this.utils.isWebServiceError(error)) {
@@ -364,7 +364,7 @@ export class AddonModAssignSyncProvider extends CoreSyncBaseProvider {
         const userId = offlineData.userid;
         let discardError;
 
-        return this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId).then((status) => {
+        return this.assignProvider.getSubmissionStatus(assign.id, userId, undefined, false, true, true, siteId).then((status) => {
             const timemodified = status.feedback && (status.feedback.gradeddate || status.feedback.grade.timemodified);
 
             if (timemodified > offlineData.timemodified) {
@@ -405,7 +405,7 @@ export class AddonModAssignSyncProvider extends CoreSyncBaseProvider {
                         offlineData.plugindata, siteId).then(() => {
 
                     // Grades sent, update cached data. No need to block the user for this.
-                    this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId);
+                    this.assignProvider.getSubmissionStatus(assign.id, userId, undefined, false, true, true, siteId);
                 }).catch((error) => {
                     if (error && this.utils.isWebServiceError(error)) {
                         // The WebService has thrown an error, this means it cannot be submitted. Discard the offline data.

src/addon/mod/assign/providers/assign.ts

@@ -21,7 +21,6 @@ import { CoreTextUtilsProvider } from '@providers/utils/text';
 import { CoreTimeUtilsProvider } from '@providers/utils/time';
 import { CoreUtilsProvider } from '@providers/utils/utils';
 import { CoreCommentsProvider } from '@core/comments/providers/comments';
-import { CoreUserProvider } from '@core/user/providers/user';
 import { CoreGradesProvider } from '@core/grades/providers/grades';
 import { CoreCourseLogHelperProvider } from '@core/course/providers/log-helper';
 import { AddonModAssignSubmissionDelegate } from './submission-delegate';
@@ -67,7 +66,7 @@ export class AddonModAssignProvider {
 
     constructor(logger: CoreLoggerProvider, private sitesProvider: CoreSitesProvider, private textUtils: CoreTextUtilsProvider,
             private timeUtils: CoreTimeUtilsProvider, private appProvider: CoreAppProvider, private utils: CoreUtilsProvider,
-            private userProvider: CoreUserProvider, private submissionDelegate: AddonModAssignSubmissionDelegate,
+            private submissionDelegate: AddonModAssignSubmissionDelegate,
             private gradesProvider: CoreGradesProvider, private filepoolProvider: CoreFilepoolProvider,
             private assignOffline: AddonModAssignOfflineProvider, private commentsProvider: CoreCommentsProvider,
             private logHelper: CoreCourseLogHelperProvider) {
@@ -495,31 +494,37 @@ export class AddonModAssignProvider {
      * Get information about an assignment submission status for a given user.
      *
      * @param {number} assignId Assignment instance id.
-     * @param {number} [userId] User id (empty for current user).
+     * @param {number} [userId] User Id (empty for current user).
+     * @param {number} [groupId] Group Id (empty for all participants).
      * @param {boolean} [isBlind] If blind marking is enabled or not.
      * @param {number} [filter=true] True to filter WS response and rewrite URLs, false otherwise.
      * @param {boolean} [ignoreCache] True if it should ignore cached data (it will always fail in offline or server down).
      * @param {string} [siteId] Site id (empty for current site).
      * @return {Promise<any>} Promise always resolved with the user submission status.
      */
-    getSubmissionStatus(assignId: number, userId?: number, isBlind?: boolean, filter: boolean = true, ignoreCache?: boolean,
+    getSubmissionStatus(assignId: number, userId?: number, groupId?: number, isBlind?: boolean, filter: boolean = true,
-            siteId?: string): Promise<any> {
+            ignoreCache?: boolean, siteId?: string): Promise<any> {
 
         userId = userId || 0;
 
         return this.sitesProvider.getSite(siteId).then((site) => {
+            groupId = site.isVersionGreaterEqualThan('3.5') ? groupId || 0 : 0;
 
             const params = {
                     assignid: assignId,
                     userid: userId
                 },
                 preSets: CoreSiteWSPreSets = {
-                    cacheKey: this.getSubmissionStatusCacheKey(assignId, userId, isBlind),
+                    cacheKey: this.getSubmissionStatusCacheKey(assignId, userId, groupId, isBlind),
                     getCacheUsingCacheKey: true, // We use the cache key to take isBlind into account.
                     filter: filter,
                     rewriteurls: filter
                 };
 
+            if (groupId) {
+                params['groupid'] = groupId;
+            }
+
             if (ignoreCache) {
                 preSets.getFromCache = false;
                 preSets.emergencyCache = false;
@@ -541,21 +546,22 @@ export class AddonModAssignProvider {
      *
      * @param {any} assign Assignment.
      * @param {number} [userId] User id (empty for current user).
+     * @param {number} [groupId] Group Id (empty for all participants).
      * @param {boolean} [isBlind] If blind marking is enabled or not.
      * @param {number} [filter=true] True to filter WS response and rewrite URLs, false otherwise.
      * @param {boolean} [ignoreCache] True if it should ignore cached data (it will always fail in offline or server down).
      * @param {string} [siteId] Site id (empty for current site).
      * @return {Promise<any>} Promise always resolved with the user submission status.
      */
-    getSubmissionStatusWithRetry(assign: any, userId?: number, isBlind?: boolean, filter: boolean = true, ignoreCache?: boolean,
+    getSubmissionStatusWithRetry(assign: any, userId?: number, groupId?: number, isBlind?: boolean, filter: boolean = true,
-            siteId?: string): Promise<any> {
+            ignoreCache?: boolean, siteId?: string): Promise<any> {
 
-        return this.getSubmissionStatus(assign.id, userId, isBlind, filter, ignoreCache, siteId).then((response) => {
+        return this.getSubmissionStatus(assign.id, userId, groupId, isBlind, filter, ignoreCache, siteId).then((response) => {
             const userSubmission = this.getSubmissionObjectFromAttempt(assign, response.lastattempt);
 
             if (!userSubmission) {
                 // Try again, ignoring cache.
-                return this.getSubmissionStatus(assign.id, userId, isBlind, filter, true, siteId).catch(() => {
+                return this.getSubmissionStatus(assign.id, userId, groupId, isBlind, filter, true, siteId).catch(() => {
                     // Error, return the first result even if it doesn't have the user submission.
                     return response;
                 });
@@ -570,16 +576,17 @@ export class AddonModAssignProvider {
      *
      * @param {number} assignId Assignment instance id.
      * @param {number} [userId] User id (empty for current user).
+     * @param {number} [groupId] Group Id (empty for all participants).
      * @param {number} [isBlind] If blind marking is enabled or not.
      * @return {string} Cache key.
      */
-    protected getSubmissionStatusCacheKey(assignId: number, userId: number, isBlind?: boolean): string {
+    protected getSubmissionStatusCacheKey(assignId: number, userId: number, groupId?: number, isBlind?: boolean): string {
         if (!userId) {
             isBlind = false;
             userId = this.sitesProvider.getCurrentSiteUserId();
         }
 
-        return this.getSubmissionsCacheKey(assignId) + ':' + userId + ':' + (isBlind ? 1 : 0);
+        return this.getSubmissionsCacheKey(assignId) + ':' + userId + ':' + (isBlind ? 1 : 0) + ':' + groupId;
     }
 
     /**
@@ -624,6 +631,10 @@ export class AddonModAssignProvider {
             subs = [],
             hasParticipants = participants && participants.length > 0;
 
+        if (!hasParticipants) {
+            return Promise.resolve([]);
+        }
+
         submissions.forEach((submission) => {
             submission.submitid = submission.userid > 0 ? submission.userid : submission.blindid;
             if (submission.submitid <= 0) {
@@ -631,12 +642,11 @@ export class AddonModAssignProvider {
             }
 
             const participant = this.getParticipantFromUserId(participants, submission.submitid);
-            if (hasParticipants && !participant) {
+            if (!participant) {
                 // Avoid permission denied error. Participant not found on list.
                 return;
             }
 
-            if (participant) {
             if (!blind) {
                 submission.userfullname = participant.fullname;
                 submission.userprofileimageurl = participant.profileimageurl;
@@ -647,26 +657,15 @@ export class AddonModAssignProvider {
                 submission.groupid = participant.groupid;
                 submission.groupname = participant.groupname;
             }
-            }
 
             let promise;
-            if (submission.userid > 0) {
+            if (submission.userid > 0 && blind) {
-                if (blind) {
                 // Blind but not blinded! (Moodle < 3.1.1, 3.2).
                 delete submission.userid;
 
                 promise = this.getAssignmentUserMappings(assignId, submission.submitid, ignoreCache, siteId).then((blindId) => {
                     submission.blindid = blindId;
                 });
-                } else if (!participant) {
-                    // No blind, no participant.
-                    promise = this.userProvider.getProfile(submission.userid, courseId, true).then((user) => {
-                        submission.userfullname = user.fullname;
-                        submission.userprofileimageurl = user.profileimageurl;
-                    }).catch(() => {
-                        // Error getting profile, resolve promise without adding any extra data.
-                    });
-                }
             }
 
             promise = promise || Promise.resolve();
@@ -899,13 +898,15 @@ export class AddonModAssignProvider {
      *
      * @param {number} assignId Assignment instance id.
      * @param {number} [userId] User id (empty for current user).
+     * @param {number} [groupId] Group Id (empty for all participants).
      * @param {boolean} [isBlind] Whether blind marking is enabled or not.
      * @param {string} [siteId] Site ID. If not defined, current site.
      * @return {Promise<any>} Promise resolved when the data is invalidated.
      */
-    invalidateSubmissionStatusData(assignId: number, userId?: number, isBlind?: boolean, siteId?: string): Promise<any> {
+    invalidateSubmissionStatusData(assignId: number, userId?: number, groupId?: number, isBlind?: boolean, siteId?: string):
+            Promise<any> {
         return this.sitesProvider.getSite(siteId).then((site) => {
-            return site.invalidateWsCacheForKey(this.getSubmissionStatusCacheKey(assignId, userId, isBlind));
+            return site.invalidateWsCacheForKey(this.getSubmissionStatusCacheKey(assignId, userId, groupId, isBlind));
         });
     }
 
@@ -1087,7 +1088,7 @@ export class AddonModAssignProvider {
         }
 
         // We need more data to decide that.
-        return this.getSubmissionStatus(assignId, submission.submitid, submission.blindid).then((response) => {
+        return this.getSubmissionStatus(assignId, submission.submitid, undefined, submission.blindid).then((response) => {
             if (!response.feedback || !response.feedback.gradeddate) {
                 // Not graded.
                 return true;

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

@@ -149,21 +149,22 @@ export class AddonModAssignHelperProvider {
     /**
      * List the participants for a single assignment, with some summary info about their submissions.
      *
-     * @param {any} assign Assignment object
+     * @param {any} assign Assignment object.
+     * @param {number} [groupId] Group Id.
      * @param {boolean} [ignoreCache] 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 list of participants and summary of submissions.
      */
-    getParticipants(assign: any, ignoreCache?: boolean, siteId?: string): Promise<any[]> {
+    getParticipants(assign: any, groupId?: number, ignoreCache?: boolean, siteId?: string): Promise<any[]> {
+        groupId = groupId || 0;
         siteId = siteId || this.sitesProvider.getCurrentSiteId();
 
-        // Get the participants without specifying a group.
+        return this.assignProvider.listParticipants(assign.id, groupId, ignoreCache, siteId).then((participants) => {
-        return this.assignProvider.listParticipants(assign.id, undefined, ignoreCache, siteId).then((participants) => {
+            if (groupId || participants && participants.length > 0) {
-            if (participants && participants.length > 0) {
                 return participants;
             }
 
-            // If no participants returned, get participants by groups.
+            // If no participants returned and all groups specified, get participants by groups.
             return this.groupsProvider.getActivityAllowedGroupsIfEnabled(assign.cmid, undefined, siteId).then((userGroups) => {
                 const promises = [],
                     participants = {};

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

@@ -156,7 +156,7 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
     protected getSubmissionFiles(assign: any, submitId: number, blindMarking: boolean, siteId?: string)
             : Promise<any[]> {
 
-        return this.assignProvider.getSubmissionStatusWithRetry(assign, submitId, blindMarking, true, false, siteId)
+        return this.assignProvider.getSubmissionStatusWithRetry(assign, submitId, undefined, blindMarking, true, false, siteId)
                 .then((response) => {
             const promises = [];
 
@@ -287,7 +287,6 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
      * @return {Promise<any>} Promise resolved when prefetched, rejected otherwise.
      */
     protected prefetchSubmissions(assign: any, courseId: number, moduleId: number, userId: number, siteId: string): Promise<any> {
-
         // Get submissions.
         return this.assignProvider.getSubmissions(assign.id, true, siteId).then((data) => {
             const promises = [],
@@ -295,14 +294,21 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
 
             if (data.canviewsubmissions) {
                 // Teacher. Do not send participants to getSubmissionsUserData to retrieve user profiles.
-                promises.push(this.assignProvider.getSubmissionsUserData(data.submissions, courseId, assign.id, blindMarking,
+                promises.push(this.groupsProvider.getActivityGroupInfo(assign.cmid, false, undefined, siteId).then((groupInfo) => {
-                        undefined, true, siteId).then((submissions) => {
+                    const groupProms = [];
+                    if (!groupInfo.groups || groupInfo.groups.length == 0) {
+                        groupInfo.groups = [{id: 0}];
+                    }
+
+                    groupInfo.groups.forEach((group) => {
+                        groupProms.push(this.assignProvider.getSubmissionsUserData(data.submissions, courseId, assign.id,
+                                blindMarking, undefined, true, siteId).then((submissions) => {
 
                             const subPromises = [];
 
                             submissions.forEach((submission) => {
                                 subPromises.push(this.assignProvider.getSubmissionStatusWithRetry(assign, submission.submitid,
-                                !!submission.blindid, true, true, siteId).then((subm) => {
+                                        group.id, !!submission.blindid, true, true, siteId).then((subm) => {
                                     return this.prefetchSubmission(assign, courseId, moduleId, subm, submission.submitid, siteId);
                                 }).catch((error) => {
                                     if (error && error.errorcode == 'nopermission') {
@@ -321,8 +327,8 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
 
                             // Prefetch the submission of the current user even if it does not exist, this will be create it.
                             if (!data.submissions || !data.submissions.find((subm) => subm.submitid == userId)) {
-                        subPromises.push(this.assignProvider.getSubmissionStatusWithRetry(assign, userId, false, true, true, siteId)
+                                subPromises.push(this.assignProvider.getSubmissionStatusWithRetry(assign, userId, group.id,
-                                .then((subm) => {
+                                        false, true, true, siteId).then((subm) => {
                                     return this.prefetchSubmission(assign, courseId, moduleId, subm, userId, siteId);
                                 }));
                             }
@@ -331,7 +337,7 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
                         }));
 
                         // Get list participants.
-                promises.push(this.assignHelper.getParticipants(assign, true, siteId).then((participants) => {
+                        groupProms.push(this.assignHelper.getParticipants(assign, group.id, true, siteId).then((participants) => {
                             participants.forEach((participant) => {
                                 if (participant.profileimageurl) {
                                     this.filepoolProvider.addToQueueByUrl(siteId, participant.profileimageurl);
@@ -340,10 +346,15 @@ export class AddonModAssignPrefetchHandler extends CoreCourseActivityPrefetchHan
                         }).catch(() => {
                             // Fail silently (Moodle < 3.2).
                         }));
+                    });
+
+                    return Promise.all(groupProms);
+                }));
             } else {
                 // Student.
                 promises.push(
-                    this.assignProvider.getSubmissionStatusWithRetry(assign, userId, false, true, true, siteId).then((subm) => {
+                    this.assignProvider.getSubmissionStatusWithRetry(assign, userId, undefined, false, true, true, siteId)
+                            .then((subm) => {
                         return this.prefetchSubmission(assign, courseId, moduleId, subm, userId, siteId);
                     }).catch((error) => {
                         // Ignore if the user can't view their own submission.

src/app/app.scss

@@ -645,7 +645,7 @@ ion-app.app-root {
         @include padding(null, null, null, 52px);
         position: relative;
 
-        ion-icon {
+        > ion-icon {
           color: $color-base;
           position: absolute;
           @include position(0, null, null, 16px)