127 lines
4.9 KiB
TypeScript
127 lines
4.9 KiB
TypeScript
// (C) Copyright 2015 Martin Dougiamas
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Injectable } from '@angular/core';
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import { TranslateService } from '@ngx-translate/core';
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import { CoreAppProvider } from '@providers/app';
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import { CoreFilepoolProvider } from '@providers/filepool';
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import { CoreSitesProvider } from '@providers/sites';
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import { CoreDomUtilsProvider } from '@providers/utils/dom';
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import { CoreUtilsProvider } from '@providers/utils/utils';
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import { CoreCourseProvider } from '@core/course/providers/course';
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import { CoreCourseResourcePrefetchHandlerBase } from '@core/course/classes/resource-prefetch-handler';
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import { AddonModImscpProvider } from './imscp';
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/**
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* Handler to prefetch IMSCPs.
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*/
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@Injectable()
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export class AddonModImscpPrefetchHandler extends CoreCourseResourcePrefetchHandlerBase {
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name = 'AddonModImscp';
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modName = 'imscp';
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component = AddonModImscpProvider.COMPONENT;
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constructor(translate: TranslateService, appProvider: CoreAppProvider, utils: CoreUtilsProvider,
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courseProvider: CoreCourseProvider, filepoolProvider: CoreFilepoolProvider, sitesProvider: CoreSitesProvider,
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domUtils: CoreDomUtilsProvider, protected imscpProvider: AddonModImscpProvider) {
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super(translate, appProvider, utils, courseProvider, filepoolProvider, sitesProvider, domUtils);
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}
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/**
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* Download or prefetch the content.
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*
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* @param module The module object returned by WS.
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* @param courseId Course ID.
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* @param prefetch True to prefetch, false to download right away.
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* @param dirPath Path of the directory where to store all the content files. This is to keep the files
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* relative paths and make the package work in an iframe. Undefined to download the files
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* in the filepool root folder.
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* @return Promise resolved when all content is downloaded. Data returned is not reliable.
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*/
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downloadOrPrefetch(module: any, courseId: number, prefetch?: boolean, dirPath?: string): Promise<any> {
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const siteId = this.sitesProvider.getCurrentSiteId();
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return this.filepoolProvider.getPackageDirPathByUrl(siteId, module.url).then((dirPath) => {
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const promises = [];
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promises.push(super.downloadOrPrefetch(module, courseId, prefetch, dirPath));
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promises.push(this.imscpProvider.getImscp(courseId, module.id, siteId));
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return Promise.all(promises);
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});
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}
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/**
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* Returns module intro files.
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*
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* @param module The module object returned by WS.
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* @param courseId Course ID.
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* @return Promise resolved with list of intro files.
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*/
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getIntroFiles(module: any, courseId: number): Promise<any[]> {
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return this.imscpProvider.getImscp(courseId, module.id).catch(() => {
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// Not found, return undefined so module description is used.
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}).then((imscp) => {
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return this.getIntroFilesFromInstance(module, imscp);
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});
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}
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/**
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* Invalidate the prefetched content.
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*
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* @param moduleId The module ID.
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* @param courseId Course ID the module belongs to.
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* @return Promise resolved when the data is invalidated.
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*/
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invalidateContent(moduleId: number, courseId: number): Promise<any> {
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return this.imscpProvider.invalidateContent(moduleId, courseId);
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}
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/**
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* Invalidate WS calls needed to determine module status.
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*
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* @param module Module.
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* @param courseId Course ID the module belongs to.
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* @return Promise resolved when invalidated.
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*/
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invalidateModule(module: any, courseId: number): Promise<any> {
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const promises = [];
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promises.push(this.imscpProvider.invalidateImscpData(courseId));
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promises.push(this.courseProvider.invalidateModule(module.id));
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return Promise.all(promises);
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}
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/**
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* Whether or not the handler is enabled on a site level.
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*
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* @return A boolean, or a promise resolved with a boolean, indicating if the handler is enabled.
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*/
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isEnabled(): boolean | Promise<boolean> {
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return this.imscpProvider.isPluginEnabled();
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}
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/**
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* Check if a file is downloadable.
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*
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* @param file File to check.
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* @return Whether the file is downloadable.
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*/
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isFileDownloadable(file: any): boolean {
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return this.imscpProvider.isFileDownloadable(file);
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}
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}
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