MOBILE-2334 assign: Implement sync provider

main
Dani Palou 2018-04-11 10:06:20 +02:00
parent 0433fbdafc
commit 7ab247cf7c
3 changed files with 488 additions and 2 deletions

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@ -13,15 +13,18 @@
// limitations under the License.
import { NgModule } from '@angular/core';
import { CoreCronDelegate } from '@providers/cron';
import { CoreCourseModulePrefetchDelegate } from '@core/course/providers/module-prefetch-delegate';
import { AddonModAssignProvider } from './providers/assign';
import { AddonModAssignOfflineProvider } from './providers/assign-offline';
import { AddonModAssignSyncProvider } from './providers/assign-sync';
import { AddonModAssignHelperProvider } from './providers/helper';
import { AddonModAssignFeedbackDelegate } from './providers/feedback-delegate';
import { AddonModAssignSubmissionDelegate } from './providers/submission-delegate';
import { AddonModAssignDefaultFeedbackHandler } from './providers/default-feedback-handler';
import { AddonModAssignDefaultSubmissionHandler } from './providers/default-submission-handler';
import { AddonModAssignPrefetchHandler } from './providers/prefetch-handler';
import { AddonModAssignSyncCronHandler } from './providers/sync-cron-handler';
@NgModule({
declarations: [
@ -29,16 +32,20 @@ import { AddonModAssignPrefetchHandler } from './providers/prefetch-handler';
providers: [
AddonModAssignProvider,
AddonModAssignOfflineProvider,
AddonModAssignSyncProvider,
AddonModAssignHelperProvider,
AddonModAssignFeedbackDelegate,
AddonModAssignSubmissionDelegate,
AddonModAssignDefaultFeedbackHandler,
AddonModAssignDefaultSubmissionHandler,
AddonModAssignPrefetchHandler
AddonModAssignPrefetchHandler,
AddonModAssignSyncCronHandler
]
})
export class AddonModAssignModule {
constructor(prefetchDelegate: CoreCourseModulePrefetchDelegate, prefetchHandler: AddonModAssignPrefetchHandler) {
constructor(prefetchDelegate: CoreCourseModulePrefetchDelegate, prefetchHandler: AddonModAssignPrefetchHandler,
cronDelegate: CoreCronDelegate, syncHandler: AddonModAssignSyncCronHandler) {
prefetchDelegate.registerHandler(prefetchHandler);
cronDelegate.register(syncHandler);
}
}

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@ -0,0 +1,432 @@
// (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 { CoreAppProvider } from '@providers/app';
import { CoreEventsProvider } from '@providers/events';
import { CoreLoggerProvider } from '@providers/logger';
import { CoreSitesProvider } from '@providers/sites';
import { CoreSyncProvider } from '@providers/sync';
import { CoreTextUtilsProvider } from '@providers/utils/text';
import { CoreUtilsProvider } from '@providers/utils/utils';
import { CoreCourseProvider } from '@core/course/providers/course';
import { CoreGradesHelperProvider } from '@core/grades/providers/helper';
import { CoreSyncBaseProvider } from '@classes/base-sync';
import { AddonModAssignProvider } from './assign';
import { AddonModAssignOfflineProvider } from './assign-offline';
import { AddonModAssignSubmissionDelegate } from './submission-delegate';
/**
* Data returned by an assign sync.
*/
export interface AddonModAssignSyncResult {
/**
* List of warnings.
* @type {string[]}
*/
warnings: string[];
/**
* Whether data was updated in the site.
* @type {boolean}
*/
updated: boolean;
}
/**
* Service to sync assigns.
*/
@Injectable()
export class AddonModAssignSyncProvider extends CoreSyncBaseProvider {
static AUTO_SYNCED = 'addon_mod_assign_autom_synced';
static MANUAL_SYNCED = 'addon_mod_assign_manual_synced';
static SYNC_TIME = 300000;
protected componentTranslate: string;
constructor(loggerProvider: CoreLoggerProvider, sitesProvider: CoreSitesProvider, appProvider: CoreAppProvider,
syncProvider: CoreSyncProvider, textUtils: CoreTextUtilsProvider, translate: TranslateService,
private courseProvider: CoreCourseProvider, private eventsProvider: CoreEventsProvider,
private assignProvider: AddonModAssignProvider, private assignOfflineProvider: AddonModAssignOfflineProvider,
private utils: CoreUtilsProvider, private submissionDelegate: AddonModAssignSubmissionDelegate,
private gradesHelper: CoreGradesHelperProvider) {
super('AddonModAssignSyncProvider', loggerProvider, sitesProvider, appProvider, syncProvider, textUtils, translate);
this.componentTranslate = courseProvider.translateModuleName('assign');
}
/**
* Convenience function to get scale selected option.
*
* @param {string} options Possible options.
* @param {number} selected Selected option to search.
* @return {number} Index of the selected option.
*/
protected getSelectedScaleId(options: string, selected: string): number {
let optionsList = options.split(',');
optionsList = optionsList.map((value) => {
return value.trim();
});
optionsList.unshift('');
const index = options.indexOf(selected) || 0;
if (index < 0) {
return 0;
}
return index;
}
/**
* Check if an assignment has data to synchronize.
*
* @param {number} assignId Assign ID.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<boolean>} Promise resolved with boolean: whether it has data to sync.
*/
hasDataToSync(assignId: number, siteId?: string): Promise<boolean> {
return this.assignOfflineProvider.hasAssignOfflineData(assignId, siteId);
}
/**
* Try to synchronize all the assignments in a certain site or in all sites.
*
* @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.
*/
syncAllAssignments(siteId?: string): Promise<any> {
return this.syncOnSites('all assignments', this.syncAllAssignmentsFunc.bind(this), [], siteId);
}
/**
* Sync all assignments on a site.
*
* @param {string} [siteId] Site ID to sync. If not defined, sync all sites.
* @param {Promise<any>} Promise resolved if sync is successful, rejected if sync fails.
*/
protected syncAllAssignmentsFunc(siteId?: string): Promise<any> {
// Get all assignments that have offline data.
return this.assignOfflineProvider.getAllAssigns(siteId).then((assignIds) => {
const promises = [];
// Sync all assignments that haven't been synced for a while.
assignIds.forEach((assignId) => {
promises.push(this.syncAssignIfNeeded(assignId, siteId).then((data) => {
if (data && data.updated) {
// Sync done. Send event.
this.eventsProvider.trigger(AddonModAssignSyncProvider.AUTO_SYNCED, {
assignId: assignId,
warnings: data.warnings
}, siteId);
}
}));
});
return Promise.all(promises);
});
}
/**
* Sync an assignment only if a certain time has passed since the last time.
*
* @param {number} assignId Assign ID.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<void|AddonModAssignSyncResult>} Promise resolved when the assign is synced or it doesn't need to be synced.
*/
syncAssignIfNeeded(assignId: number, siteId?: string): Promise<void | AddonModAssignSyncResult> {
return this.isSyncNeeded(assignId, siteId).then((needed) => {
if (needed) {
return this.syncAssign(assignId, siteId);
}
});
}
/**
* Try to synchronize an assign.
*
* @param {number} assignId Assign ID.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<AddonModAssignSyncResult>} Promise resolved in success.
*/
syncAssign(assignId: number, siteId?: string): Promise<AddonModAssignSyncResult> {
siteId = siteId || this.sitesProvider.getCurrentSiteId();
const promises = [],
result: AddonModAssignSyncResult = {
warnings: [],
updated: false
};
let assign,
courseId,
syncPromise;
if (this.isSyncing(assignId, siteId)) {
// There's already a sync ongoing for this assign, return the promise.
return this.getOngoingSync(assignId, siteId);
}
// Verify that assign isn't blocked.
if (this.syncProvider.isBlocked(AddonModAssignProvider.COMPONENT, assignId, siteId)) {
this.logger.debug('Cannot sync assign ' + assignId + ' because it is blocked.');
return Promise.reject(this.translate.instant('core.errorsyncblocked', {$a: this.componentTranslate}));
}
this.logger.debug('Try to sync assign ' + assignId + ' in site ' + siteId);
// Get offline submissions to be sent.
promises.push(this.assignOfflineProvider.getAssignSubmissions(assignId, siteId).catch(() => {
// No offline data found, return empty array.
return [];
}));
// Get offline submission grades to be sent.
promises.push(this.assignOfflineProvider.getAssignSubmissionsGrade(assignId, siteId).catch(() => {
// No offline data found, return empty array.
return [];
}));
syncPromise = Promise.all(promises).then((results) => {
const submissions = results[0],
grades = results[1];
if (!submissions.length && !grades.length) {
// Nothing to sync.
return;
} else if (!this.appProvider.isOnline()) {
// Cannot sync in offline.
return Promise.reject(null);
}
courseId = submissions.length > 0 ? submissions[0].courseid : grades[0].courseid;
return this.assignProvider.getAssignmentById(courseId, assignId, siteId).then((assignData) => {
assign = assignData;
const promises = [];
submissions.forEach((submission) => {
promises.push(this.syncSubmission(assign, submission, result.warnings, siteId).then(() => {
result.updated = true;
}));
});
grades.forEach((grade) => {
promises.push(this.syncSubmissionGrade(assign, grade, result.warnings, courseId, 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.assignProvider.invalidateContent(assign.cmid, courseId, siteId).catch(() => {
// Ignore errors.
});
}
});
}).then(() => {
// Sync finished, set sync time.
return this.setSyncTime(assignId, siteId).catch(() => {
// Ignore errors.
});
}).then(() => {
// All done, return the result.
return result;
});
return this.addOngoingSync(assignId, syncPromise, siteId);
}
/**
* Synchronize a submission.
*
* @param {any} assign Assignment.
* @param {any} offlineData Submission offline data.
* @param {string[]} warnings List of warnings.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<any>} Promise resolved if success, rejected otherwise.
*/
protected syncSubmission(assign: any, offlineData: any, warnings: string[], siteId?: string): Promise<any> {
const userId = offlineData.userId,
pluginData = {};
let discardError,
submission;
return this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId).then((status) => {
const promises = [];
submission = this.assignProvider.getSubmissionObjectFromAttempt(assign, status.lastattempt);
if (submission.timemodified != offlineData.onlineTimemodified) {
// The submission was modified in Moodle, discard the submission.
discardError = this.translate.instant('addon.mod_assign.warningsubmissionmodified');
return;
}
submission.plugins.forEach((plugin) => {
promises.push(this.submissionDelegate.preparePluginSyncData(assign, submission, plugin, offlineData, pluginData,
siteId));
});
return Promise.all(promises).then(() => {
// Now save the submission.
let promise;
if (!Object.keys(pluginData).length) {
// Nothing to save.
promise = Promise.resolve();
} else {
promise = this.assignProvider.saveSubmissionOnline(assign.id, pluginData, siteId);
}
return promise.then(() => {
if (assign.submissiondrafts && offlineData.submitted) {
// The user submitted the assign manually. Submit it for grading.
return this.assignProvider.submitForGradingOnline(assign.id, offlineData.submissionStatement, siteId);
}
}).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);
});
}).catch((error) => {
if (error && this.utils.isWebServiceError(error)) {
// A WebService has thrown an error, this means it cannot be submitted. Discard the submission.
discardError = error.message || error.error || error.content || error.body;
} else {
// Couldn't connect to server, reject.
return Promise.reject(error);
}
});
}).then(() => {
// Delete the offline data.
return this.assignOfflineProvider.deleteSubmission(assign.id, userId, siteId).then(() => {
const promises = [];
submission.plugins.forEach((plugin) => {
promises.push(this.submissionDelegate.deletePluginOfflineData(assign, submission, plugin, offlineData, siteId));
});
return Promise.all(promises);
});
}).then(() => {
if (discardError) {
// Submission was discarded, add a warning.
const message = this.translate.instant('core.warningofflinedatadeleted', {
component: this.componentTranslate,
name: assign.name,
error: discardError
});
if (warnings.indexOf(message) == -1) {
warnings.push(message);
}
}
});
}
/**
* Synchronize a submission grade.
*
* @param {any} assign Assignment.
* @param {any} offlineData Submission grade offline data.
* @param {string[]} warnings List of warnings.
* @param {number} courseId Course Id.
* @param {string} [siteId] Site ID. If not defined, current site.
* @return {Promise<any>} Promise resolved if success, rejected otherwise.
*/
protected syncSubmissionGrade(assign: any, offlineData: any, warnings: string[], courseId: number, siteId?: string)
: Promise<any> {
const userId = offlineData.userId;
let discardError;
return this.assignProvider.getSubmissionStatus(assign.id, userId, false, true, true, siteId).then((status) => {
const timemodified = status.feedback && (status.feedback.gradeddate || status.feedback.grade.timemodified);
if (timemodified > offlineData.timemodified) {
// The submission grade was modified in Moodle, discard it.
discardError = this.translate.instant('addon.mod_assign.warningsubmissiongrademodified');
return;
}
// If grade has been modified from gradebook, do not use offline.
return this.gradesHelper.getGradeModuleItems(courseId, assign.cmid, userId, undefined, siteId, true).then((grades) => {
return this.courseProvider.getModuleBasicGradeInfo(assign.cmid, siteId).then((gradeInfo) => {
// Override offline grade and outcomes based on the gradebook data.
grades.forEach((grade) => {
if (grade.gradedategraded >= offlineData.timemodified) {
if (!grade.outcomeid && !grade.scaleid) {
if (gradeInfo && gradeInfo.scale) {
offlineData.grade = this.getSelectedScaleId(gradeInfo.scale, grade.gradeformatted);
} else {
offlineData.grade = parseFloat(grade.gradeformatted) || null;
}
} else if (grade.outcomeid && this.assignProvider.isOutcomesEditEnabled() && gradeInfo.outcomes) {
gradeInfo.outcomes.forEach((outcome, index) => {
if (outcome.scale && grade.itemnumber == index) {
offlineData.outcomes[grade.itemnumber] = this.getSelectedScaleId(outcome.scale,
outcome.selected);
}
});
}
}
});
});
}).then(() => {
// Now submit the grade.
return this.assignProvider.submitGradingFormOnline(assign.id, userId, offlineData.grade, offlineData.attemptNumber,
offlineData.addAttempt, offlineData.workflowState, offlineData.applyToAll, offlineData.outcomes,
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);
}).catch((error) => {
if (error && this.utils.isWebServiceError(error)) {
// The WebService has thrown an error, this means it cannot be submitted. Discard the offline data.
discardError = error.message || error.error || error.content || error.body;
} else {
// Couldn't connect to server, reject.
return Promise.reject(error);
}
});
});
}).then(() => {
// Delete the offline data.
return this.assignOfflineProvider.deleteSubmissionGrade(assign.id, userId, siteId);
}).then(() => {
if (discardError) {
// Submission grade was discarded, add a warning.
const message = this.translate.instant('core.warningofflinedatadeleted', {
component: this.componentTranslate,
name: assign.name,
error: discardError
});
if (warnings.indexOf(message) == -1) {
warnings.push(message);
}
}
});
}
}

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// (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 { AddonModAssignSyncProvider } from './assign-sync';
/**
* Synchronization cron handler.
*/
@Injectable()
export class AddonModAssignSyncCronHandler implements CoreCronHandler {
name = 'AddonModAssignSyncCronHandler';
constructor(private assignSync: AddonModAssignSyncProvider) {}
/**
* 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.assignSync.syncAllAssignments(siteId);
}
/**
* Get the time between consecutive executions.
*
* @return {number} Time between consecutive executions (in ms).
*/
getInterval(): number {
return 600000; // 10 minutes.
}
}