2023-03-14 15:52:29 +01:00

252 lines
9.0 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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 { CoreNetworkError } from '@classes/errors/network-error';
import { CoreCourseActivitySyncBaseProvider } from '@features/course/classes/activity-sync';
import { CoreSyncResult } from '@services/sync';
import { CoreCourse } from '@features/course/services/course';
import { CoreCourseLogHelper } from '@features/course/services/log-helper';
import { CoreNetwork } from '@services/network';
import { CoreSites } from '@services/sites';
import { CoreUtils } from '@services/utils/utils';
import { makeSingleton } from '@singletons';
import { CoreEvents } from '@singletons/events';
import { AddonModSurveyPrefetchHandler } from './handlers/prefetch';
import { AddonModSurvey, AddonModSurveyProvider } from './survey';
import { AddonModSurveyAnswersDBRecordFormatted, AddonModSurveyOffline } from './survey-offline';
/**
* Service to sync surveys.
*/
@Injectable( { providedIn: 'root' })
export class AddonModSurveySyncProvider extends CoreCourseActivitySyncBaseProvider<AddonModSurveySyncResult> {
static readonly AUTO_SYNCED = 'addon_mod_survey_autom_synced';
protected componentTranslatableString = 'survey';
constructor() {
super('AddonModSurveySyncProvider');
}
/**
* Get the ID of a survey sync.
*
* @param surveyId Survey ID.
* @param userId User the answers belong to.
* @returns Sync ID.
* @protected
*/
getSyncId(surveyId: number, userId: number): string {
return surveyId + '#' + userId;
}
/**
* Try to synchronize all the surveys in a certain site or in all sites.
*
* @param siteId Site ID to sync. If not defined, sync all sites.
* @param force Wether to force sync not depending on last execution.
* @returns Promise resolved if sync is successful, rejected if sync fails.
*/
syncAllSurveys(siteId?: string, force?: boolean): Promise<void> {
return this.syncOnSites('all surveys', (siteId) => this.syncAllSurveysFunc(!!force, siteId), siteId);
}
/**
* Sync all pending surveys on a site.
*
* @param force Wether to force sync not depending on last execution.
* @param siteId Site ID to sync.
* @returns Promise resolved if sync is successful, rejected if sync fails.
*/
protected async syncAllSurveysFunc(force: boolean, siteId: string): Promise<void> {
// Get all survey answers pending to be sent in the site.
const entries = await AddonModSurveyOffline.getAllData(siteId);
// Sync all surveys.
const promises = entries.map(async (entry) => {
const result = await (force
? this.syncSurvey(entry.surveyid, entry.userid, siteId)
: this.syncSurveyIfNeeded(entry.surveyid, entry.userid, siteId));
if (result && result.updated) {
// Sync successful, send event.
CoreEvents.trigger(AddonModSurveySyncProvider.AUTO_SYNCED, {
surveyId: entry.surveyid,
userId: entry.userid,
warnings: result.warnings,
}, siteId);
}
});
await Promise.all(promises);
}
/**
* Sync a survey only if a certain time has passed since the last time.
*
* @param surveyId Survey ID.
* @param userId User the answers belong to.
* @param siteId Site ID. If not defined, current site.
* @returns Promise resolved when the survey is synced or if it doesn't need to be synced.
*/
async syncSurveyIfNeeded(surveyId: number, userId: number, siteId?: string): Promise<AddonModSurveySyncResult | undefined> {
const syncId = this.getSyncId(surveyId, userId);
const needed = await this.isSyncNeeded(syncId, siteId);
if (needed) {
return this.syncSurvey(surveyId, userId, siteId);
}
}
/**
* Synchronize a survey.
*
* @param surveyId Survey ID.
* @param userId User the answers belong to. If not defined, current user.
* @param siteId Site ID. If not defined, current site.
* @returns Promise resolved if sync is successful, rejected otherwise.
*/
async syncSurvey(surveyId: number, userId?: number, siteId?: string): Promise<AddonModSurveySyncResult> {
const site = await CoreSites.getSite(siteId);
siteId = site.getId();
userId = userId || site.getUserId();
const syncId = this.getSyncId(surveyId, userId);
const currentSyncPromise = this.getOngoingSync(syncId, siteId);
if (currentSyncPromise) {
// There's already a sync ongoing for this site, return the promise.
return currentSyncPromise;
}
this.logger.debug(`Try to sync survey '${surveyId}' for user '${userId}'`);
// Get offline events.
const syncPromise = this.performSyncSurvey(surveyId, userId, siteId);
return this.addOngoingSync(syncId, syncPromise, siteId);
}
/**
* Perform the survey sync.
*
* @param surveyId Survey ID.
* @param userId User the answers belong to. If not defined, current user.
* @param siteId Site ID.
* @returns Promise resolved if sync is successful, rejected otherwise.
*/
protected async performSyncSurvey(surveyId: number, userId: number, siteId: string): Promise<AddonModSurveySyncResult> {
const result: AddonModSurveySyncResult = {
warnings: [],
updated: false,
};
// Sync offline logs.
CoreUtils.ignoreErrors(CoreCourseLogHelper.syncActivity(AddonModSurveyProvider.COMPONENT, surveyId, siteId));
let answersNumber = 0;
let data: AddonModSurveyAnswersDBRecordFormatted | undefined;
try {
// Get answers to be sent.
data = await AddonModSurveyOffline.getSurveyData(surveyId, siteId, userId);
answersNumber = data.answers.length;
} catch {
// Ignore errors.
}
if (answersNumber > 0 && data) {
if (!CoreNetwork.isOnline()) {
// Cannot sync in offline.
throw new CoreNetworkError();
}
result.courseId = data.courseid;
// Send the answers.
try {
await AddonModSurvey.submitAnswersOnline(surveyId, data.answers, siteId);
result.updated = true;
// Answers sent, delete them.
await AddonModSurveyOffline.deleteSurveyAnswers(surveyId, siteId, userId);
} catch (error) {
if (!CoreUtils.isWebServiceError(error)) {
// Local error, reject.
throw error;
}
// The WebService has thrown an error, this means that answers cannot be submitted. Delete them.
result.updated = true;
await AddonModSurveyOffline.deleteSurveyAnswers(surveyId, siteId, userId);
// Answers deleted, add a warning.
this.addOfflineDataDeletedWarning(result.warnings, data.name, error);
}
if (result.courseId) {
await AddonModSurvey.invalidateSurveyData(result.courseId, siteId);
// Data has been sent to server, update survey data.
const module = await CoreCourse.getModuleBasicInfoByInstance(surveyId, 'survey', { siteId });
CoreUtils.ignoreErrors(
this.prefetchAfterUpdate(AddonModSurveyPrefetchHandler.instance, module, result.courseId, undefined, siteId),
);
}
}
const syncId = this.getSyncId(surveyId, userId);
// Sync finished, set sync time.
CoreUtils.ignoreErrors(this.setSyncTime(syncId, siteId));
return result;
}
}
export const AddonModSurveySync = makeSingleton(AddonModSurveySyncProvider);
declare module '@singletons/events' {
/**
* Augment CoreEventsData interface with events specific to this service.
*
* @see https://www.typescriptlang.org/docs/handbook/declaration-merging.html#module-augmentation
*/
export interface CoreEventsData {
[AddonModSurveySyncProvider.AUTO_SYNCED]: AddonModSurveyAutoSyncData;
}
}
/**
* Data returned by a assign sync.
*/
export type AddonModSurveySyncResult = CoreSyncResult & {
courseId?: number; // Course the survey belongs to (if known).
};
/**
* Data passed to AUTO_SYNCED event.
*/
export type AddonModSurveyAutoSyncData = {
surveyId: number;
warnings: string[];
userId: number;
};