304 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			304 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
// (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 { CoreFileUploaderProvider } from '@core/fileuploader/providers/fileuploader';
 | 
						|
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 { CoreTimeUtilsProvider } from '@providers/utils/time';
 | 
						|
import { CoreUtilsProvider } from '@providers/utils/utils';
 | 
						|
import { AddonModGlossaryProvider } from './glossary';
 | 
						|
import { AddonModGlossaryHelperProvider } from './helper';
 | 
						|
import { AddonModGlossaryOfflineProvider } from './offline';
 | 
						|
 | 
						|
/**
 | 
						|
 * Service to sync glossaries.
 | 
						|
 */
 | 
						|
@Injectable()
 | 
						|
export class AddonModGlossarySyncProvider extends CoreSyncBaseProvider {
 | 
						|
 | 
						|
    static AUTO_SYNCED = 'addon_mod_glossary_autom_synced';
 | 
						|
 | 
						|
    protected componentTranslate: string;
 | 
						|
 | 
						|
    constructor(translate: TranslateService,
 | 
						|
            appProvider: CoreAppProvider,
 | 
						|
            courseProvider: CoreCourseProvider,
 | 
						|
            private eventsProvider: CoreEventsProvider,
 | 
						|
            loggerProvider: CoreLoggerProvider,
 | 
						|
            sitesProvider: CoreSitesProvider,
 | 
						|
            syncProvider: CoreSyncProvider,
 | 
						|
            textUtils: CoreTextUtilsProvider,
 | 
						|
            timeUtils: CoreTimeUtilsProvider,
 | 
						|
            private uploaderProvider: CoreFileUploaderProvider,
 | 
						|
            private utils: CoreUtilsProvider,
 | 
						|
            private glossaryProvider: AddonModGlossaryProvider,
 | 
						|
            private glossaryHelper: AddonModGlossaryHelperProvider,
 | 
						|
            private glossaryOffline: AddonModGlossaryOfflineProvider) {
 | 
						|
 | 
						|
        super('AddonModGlossarySyncProvider', loggerProvider, sitesProvider, appProvider, syncProvider, textUtils, translate,
 | 
						|
                timeUtils);
 | 
						|
 | 
						|
        this.componentTranslate = courseProvider.translateModuleName('glossary');
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Try to synchronize all the glossaries 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.
 | 
						|
     */
 | 
						|
    syncAllGlossaries(siteId?: string): Promise<any> {
 | 
						|
        return this.syncOnSites('all glossaries', this.syncAllGlossariesFunc.bind(this), [], siteId);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Sync all glossaries 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 syncAllGlossariesFunc(siteId?: string): Promise<any> {
 | 
						|
        // Sync all new entries
 | 
						|
        return this.glossaryOffline.getAllNewEntries(siteId).then((entries) => {
 | 
						|
            const promises = {};
 | 
						|
 | 
						|
            // Do not sync same glossary twice.
 | 
						|
            for (const i in entries) {
 | 
						|
                const entry = entries[i];
 | 
						|
 | 
						|
                if (typeof promises[entry.glossaryid] != 'undefined') {
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
                promises[entry.glossaryid] = this.syncGlossaryEntriesIfNeeded(entry.glossaryid, entry.userid, siteId)
 | 
						|
                        .then((result) => {
 | 
						|
                    if (result && result.updated) {
 | 
						|
                        // Sync successful, send event.
 | 
						|
                        this.eventsProvider.trigger(AddonModGlossarySyncProvider.AUTO_SYNCED, {
 | 
						|
                            glossaryId: entry.glossaryid,
 | 
						|
                            userId: entry.userid,
 | 
						|
                            warnings: result.warnings
 | 
						|
                        }, siteId);
 | 
						|
                    }
 | 
						|
                });
 | 
						|
            }
 | 
						|
 | 
						|
            // Promises will be an object so, convert to an array first;
 | 
						|
            return Promise.all(this.utils.objectToArray(promises));
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Sync a glossary only if a certain time has passed since the last time.
 | 
						|
     *
 | 
						|
     * @param  {number} glossaryId Glossary ID.
 | 
						|
     * @param  {number} userId     User the entry belong to.
 | 
						|
     * @param  {string} [siteId]   Site ID. If not defined, current site.
 | 
						|
     * @return {Promise<any>}      Promise resolved when the glossary is synced or if it doesn't need to be synced.
 | 
						|
     */
 | 
						|
    syncGlossaryEntriesIfNeeded(glossaryId: number, userId: number, siteId?: string): Promise<any> {
 | 
						|
        siteId = siteId || this.sitesProvider.getCurrentSiteId();
 | 
						|
 | 
						|
        const syncId = this.getGlossarySyncId(glossaryId, userId);
 | 
						|
 | 
						|
        return this.isSyncNeeded(syncId, siteId).then((needed) => {
 | 
						|
            if (needed) {
 | 
						|
                return this.syncGlossaryEntries(glossaryId, userId, siteId);
 | 
						|
            }
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Synchronize all offline entries of a glossary.
 | 
						|
     *
 | 
						|
     * @param  {number} glossaryId Glossary ID to be synced.
 | 
						|
     * @param  {number} [userId]   User the entries belong to.
 | 
						|
     * @param  {string} [siteId]   Site ID. If not defined, current site.
 | 
						|
     * @return {Promise<any>}      Promise resolved if sync is successful, rejected otherwise.
 | 
						|
     */
 | 
						|
    syncGlossaryEntries(glossaryId: number, userId?: number, siteId?: string): Promise<any> {
 | 
						|
        userId = userId || this.sitesProvider.getCurrentSiteUserId();
 | 
						|
        siteId = siteId || this.sitesProvider.getCurrentSiteId();
 | 
						|
 | 
						|
        const syncId = this.getGlossarySyncId(glossaryId, userId);
 | 
						|
        if (this.isSyncing(syncId, siteId)) {
 | 
						|
            // There's already a sync ongoing for this glossary, return the promise.
 | 
						|
            return this.getOngoingSync(syncId, siteId);
 | 
						|
        }
 | 
						|
 | 
						|
        // Verify that glossary isn't blocked.
 | 
						|
        if (this.syncProvider.isBlocked(AddonModGlossaryProvider.COMPONENT, syncId, siteId)) {
 | 
						|
            this.logger.debug('Cannot sync glossary ' + glossaryId + ' because it is blocked.');
 | 
						|
 | 
						|
            return Promise.reject(this.translate.instant('core.errorsyncblocked', {$a: this.componentTranslate}));
 | 
						|
        }
 | 
						|
 | 
						|
        this.logger.debug('Try to sync glossary ' + glossaryId + ' for user ' + userId);
 | 
						|
 | 
						|
        let courseId;
 | 
						|
        const result = {
 | 
						|
            warnings: [],
 | 
						|
            updated: false
 | 
						|
        };
 | 
						|
 | 
						|
        // Get offline responses to be sent.
 | 
						|
        const syncPromise = this.glossaryOffline.getGlossaryNewEntries(glossaryId, siteId, userId).catch(() => {
 | 
						|
            // No offline data found, return empty object.
 | 
						|
            return [];
 | 
						|
        }).then((entries) => {
 | 
						|
            if (!entries.length) {
 | 
						|
                // Nothing to sync.
 | 
						|
                return;
 | 
						|
            } else if (!this.appProvider.isOnline()) {
 | 
						|
                // Cannot sync in offline.
 | 
						|
                return Promise.reject(null);
 | 
						|
            }
 | 
						|
 | 
						|
            const promises = [];
 | 
						|
 | 
						|
            entries.forEach((data) => {
 | 
						|
                let promise;
 | 
						|
 | 
						|
                courseId = data.courseid;
 | 
						|
 | 
						|
                // First of all upload the attachments (if any).
 | 
						|
                promise = this.uploadAttachments(glossaryId, data, siteId).then((itemId) => {
 | 
						|
                    // Now try to add the entry.
 | 
						|
                    return this.glossaryProvider.addEntryOnline(
 | 
						|
                            glossaryId, data.concept, data.definition, data.options, itemId, siteId);
 | 
						|
                });
 | 
						|
 | 
						|
                promises.push(promise.then(() => {
 | 
						|
                    result.updated = true;
 | 
						|
 | 
						|
                    return this.deleteAddEntry(glossaryId, data.concept, data.timecreated, siteId);
 | 
						|
                }).catch((error) => {
 | 
						|
                    if (this.utils.isWebServiceError(error)) {
 | 
						|
                        // The WebService has thrown an error, this means that responses cannot be submitted. Delete them.
 | 
						|
                        result.updated = true;
 | 
						|
 | 
						|
                        return this.deleteAddEntry(glossaryId, data.concept, data.timecreated, siteId).then(() => {
 | 
						|
                            // Responses deleted, add a warning.
 | 
						|
                            result.warnings.push(this.translate.instant('core.warningofflinedatadeleted', {
 | 
						|
                                component: this.componentTranslate,
 | 
						|
                                name: data.concept,
 | 
						|
                                error: this.textUtils.getErrorMessageFromError(error)
 | 
						|
                            }));
 | 
						|
                        });
 | 
						|
                    } else {
 | 
						|
                        // Couldn't connect to server, reject.
 | 
						|
                        return Promise.reject(error);
 | 
						|
                    }
 | 
						|
                }));
 | 
						|
            });
 | 
						|
 | 
						|
            return Promise.all(promises);
 | 
						|
        }).then(() => {
 | 
						|
            if (result.updated && courseId) {
 | 
						|
                // Data has been sent to server. Now invalidate the WS calls.
 | 
						|
                return this.glossaryProvider.getGlossaryById(courseId, glossaryId).then((glossary) => {
 | 
						|
                    return this.glossaryProvider.invalidateGlossaryEntries(glossary, true);
 | 
						|
                }).catch(() => {
 | 
						|
                    // Ignore errors.
 | 
						|
                });
 | 
						|
            }
 | 
						|
        }).then(() => {
 | 
						|
            // Sync finished, set sync time.
 | 
						|
            return this.setSyncTime(syncId, siteId).catch(() => {
 | 
						|
                // Ignore errors.
 | 
						|
            });
 | 
						|
        }).then(() => {
 | 
						|
            // All done, return the warnings.
 | 
						|
            return result;
 | 
						|
        });
 | 
						|
 | 
						|
        return this.addOngoingSync(syncId, syncPromise, siteId);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Delete a new entry.
 | 
						|
     *
 | 
						|
     * @param  {number} glossaryId  Glossary ID.
 | 
						|
     * @param  {string} concept     Glossary entry concept.
 | 
						|
     * @param  {number} timeCreated Time to allow duplicated entries.
 | 
						|
     * @param  {string} [siteId]    Site ID. If not defined, current site.
 | 
						|
     * @return {Promise<any>}       Promise resolved when deleted.
 | 
						|
     */
 | 
						|
   protected deleteAddEntry(glossaryId: number, concept: string, timeCreated: number, siteId?: string): Promise<any> {
 | 
						|
       const promises = [];
 | 
						|
 | 
						|
       promises.push(this.glossaryOffline.deleteNewEntry(glossaryId, concept, timeCreated, siteId));
 | 
						|
       promises.push(this.glossaryHelper.deleteStoredFiles(glossaryId, concept, timeCreated, siteId).catch(() => {
 | 
						|
           // Ignore errors, maybe there are no files.
 | 
						|
       }));
 | 
						|
 | 
						|
       return Promise.all(promises);
 | 
						|
   }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Upload attachments of an offline entry.
 | 
						|
     *
 | 
						|
     * @param  {number} glossaryId Glossary ID.
 | 
						|
     * @param  {any}    entry      Offline entry.
 | 
						|
     * @param  {string} [siteId]   Site ID. If not defined, current site.
 | 
						|
     * @return {Promise<number>} Promise resolved with draftid if uploaded, resolved with 0 if nothing to upload.
 | 
						|
     */
 | 
						|
    protected uploadAttachments(glossaryId: number, entry: any, siteId?: string): Promise<number> {
 | 
						|
        if (entry.attachments) {
 | 
						|
            // Has some attachments to sync.
 | 
						|
            let files = entry.attachments.online || [];
 | 
						|
            let promise;
 | 
						|
 | 
						|
            if (entry.attachments.offline) {
 | 
						|
                // Has offline files.
 | 
						|
                promise = this.glossaryHelper.getStoredFiles(glossaryId, entry.concept, entry.timecreated, siteId).then((atts) => {
 | 
						|
                    files = files.concat(atts);
 | 
						|
                }).catch(() => {
 | 
						|
                    // Folder not found, no files to add.
 | 
						|
                });
 | 
						|
            } else {
 | 
						|
                promise = Promise.resolve(0);
 | 
						|
            }
 | 
						|
 | 
						|
            return promise.then(() => {
 | 
						|
                return this.uploaderProvider.uploadOrReuploadFiles(files, AddonModGlossaryProvider.COMPONENT, glossaryId, siteId);
 | 
						|
            });
 | 
						|
        }
 | 
						|
 | 
						|
        // No attachments, resolve.
 | 
						|
        return Promise.resolve(0);
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Get the ID of a glossary sync.
 | 
						|
     *
 | 
						|
     * @param  {number} glossaryId Glossary ID.
 | 
						|
     * @param  {number} [userId]   User the entries belong to.. If not defined, current user.
 | 
						|
     * @return {string}            Sync ID.
 | 
						|
     */
 | 
						|
    protected getGlossarySyncId(glossaryId: number, userId?: number): string {
 | 
						|
        userId = userId || this.sitesProvider.getCurrentSiteUserId();
 | 
						|
 | 
						|
        return 'glossary#' + glossaryId + '#' + userId;
 | 
						|
    }
 | 
						|
}
 |