200 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			200 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| // (C) Copyright 2015 Moodle Pty Ltd.
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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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| 
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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 { CorePluginFileDelegate } from '@providers/plugin-file-delegate';
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| import { CoreSitesProvider, CoreSitesReadingStrategy } from '@providers/sites';
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| import { CoreWSExternalFile } from '@providers/ws';
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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 { CoreCourseActivityPrefetchHandlerBase } from '@core/course/classes/activity-prefetch-handler';
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| import { CoreFilterHelperProvider } from '@core/filter/providers/helper';
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| import { CoreH5PHelper } from '@core/h5p/classes/helper';
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| import { CoreH5P } from '@core/h5p/providers/h5p';
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| import { CoreUser } from '@core/user/providers/user';
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| import { AddonModH5PActivity, AddonModH5PActivityProvider, AddonModH5PActivityData } from './h5pactivity';
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| 
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| /**
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|  * Handler to prefetch h5p activity.
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|  */
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| @Injectable()
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| export class AddonModH5PActivityPrefetchHandler extends CoreCourseActivityPrefetchHandlerBase {
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|     name = 'AddonModH5PActivity';
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|     modName = 'h5pactivity';
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|     component = AddonModH5PActivityProvider.COMPONENT;
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|     updatesNames = /^configuration$|^.*files$|^tracks$|^usertracks$/;
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| 
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|     constructor(translate: TranslateService,
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|             appProvider: CoreAppProvider,
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|             utils: CoreUtilsProvider,
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|             courseProvider: CoreCourseProvider,
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|             filepoolProvider: CoreFilepoolProvider,
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|             sitesProvider: CoreSitesProvider,
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|             domUtils: CoreDomUtilsProvider,
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|             filterHelper: CoreFilterHelperProvider,
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|             pluginFileDelegate: CorePluginFileDelegate) {
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| 
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|         super(translate, appProvider, utils, courseProvider, filepoolProvider, sitesProvider, domUtils, filterHelper,
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|                 pluginFileDelegate);
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|     }
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| 
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|     /**
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|      * Get list of files.
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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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|      * @param single True if we're downloading a single module, false if we're downloading a whole section.
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|      * @return Promise resolved with the list of files.
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|      */
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|     async getFiles(module: any, courseId: number, single?: boolean): Promise<CoreWSExternalFile[]> {
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| 
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|         const h5pActivity = await AddonModH5PActivity.instance.getH5PActivity(courseId, module.id);
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| 
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|         const displayOptions = CoreH5PHelper.decodeDisplayOptions(h5pActivity.displayoptions);
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| 
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|         const deployedFile = await AddonModH5PActivity.instance.getDeployedFile(h5pActivity, {
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|             displayOptions: displayOptions,
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|         });
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| 
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|         return [deployedFile].concat(this.getIntroFilesFromInstance(module, h5pActivity));
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|     }
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| 
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|     /**
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|      * Invalidate WS calls needed to determine module status (usually, to check if module is downloadable).
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|      * It doesn't need to invalidate check updates. It should NOT invalidate files nor all the prefetched data.
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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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|     async invalidateModule(module: any, courseId: number): Promise<void> {
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|         // No need to invalidate anything.
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|     }
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| 
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|     /**
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|      * Check if a module can be downloaded. If the function is not defined, we assume that all modules are downloadable.
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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 Whether the module can be downloaded. The promise should never be rejected.
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|      */
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|     isDownloadable(module: any, courseId: number): boolean | Promise<boolean> {
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|         return this.sitesProvider.getCurrentSite().canDownloadFiles() && !CoreH5P.instance.isOfflineDisabledInSite();
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|     }
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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 AddonModH5PActivity.instance.isPluginEnabled();
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|     }
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| 
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|     /**
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|      * Prefetch a module.
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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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|      * @param single True if we're downloading a single module, false if we're downloading a whole section.
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|      * @param dirPath Path of the directory where to store all the content files.
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|      * @return Promise resolved when done.
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|      */
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|     prefetch(module: any, courseId?: number, single?: boolean, dirPath?: string): Promise<any> {
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|         return this.prefetchPackage(module, courseId, single, this.prefetchActivity.bind(this));
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|     }
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| 
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|     /**
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|      * Prefetch an H5P activity.
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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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|      * @param single True if we're downloading a single module, false if we're downloading a whole section.
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|      * @param siteId Site ID.
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|      * @return Promise resolved when done.
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|      */
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|     protected async prefetchActivity(module: any, courseId: number, single: boolean, siteId: string): Promise<void> {
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| 
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|         const h5pActivity = await AddonModH5PActivity.instance.getH5PActivity(courseId, module.id, {
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|             readingStrategy: CoreSitesReadingStrategy.OnlyNetwork,
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|             siteId,
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|         });
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| 
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|         const introFiles = this.getIntroFilesFromInstance(module, h5pActivity);
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| 
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|         await Promise.all([
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|             this.prefetchWSData(h5pActivity, siteId),
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|             this.filepoolProvider.addFilesToQueue(siteId, introFiles, AddonModH5PActivityProvider.COMPONENT, module.id),
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|             this.prefetchMainFile(module, h5pActivity, siteId),
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|         ]);
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|     }
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| 
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|     /**
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|      * Prefetch the deployed file of the activity.
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|      *
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|      * @param module Module.
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|      * @param h5pActivity Activity instance.
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|      * @param siteId Site ID.
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|      * @return Promise resolved when done.
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|      */
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|     protected async prefetchMainFile(module: any, h5pActivity: AddonModH5PActivityData, siteId: string): Promise<void> {
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| 
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|         const displayOptions = CoreH5PHelper.decodeDisplayOptions(h5pActivity.displayoptions);
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| 
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|         const deployedFile = await AddonModH5PActivity.instance.getDeployedFile(h5pActivity, {
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|             displayOptions: displayOptions,
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|             ignoreCache: true,
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|             siteId: siteId,
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|         });
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| 
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|         await this.filepoolProvider.addFilesToQueue(siteId, [deployedFile], AddonModH5PActivityProvider.COMPONENT, module.id);
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|     }
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| 
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|     /**
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|      * Prefetch all the WebService data.
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|      *
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|      * @param h5pActivity Activity instance.
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|      * @param siteId Site ID.
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|      * @return Promise resolved when done.
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|      */
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|     protected async prefetchWSData(h5pActivity: AddonModH5PActivityData, siteId: string): Promise<void> {
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| 
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|         const accessInfo = await AddonModH5PActivity.instance.getAccessInformation(h5pActivity.id, {
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|             cmId: h5pActivity.coursemodule,
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|             readingStrategy: CoreSitesReadingStrategy.PreferCache,
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|             siteId,
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|         });
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| 
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|         if (!accessInfo.canreviewattempts) {
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|             // Not a teacher, prefetch user attempts and the current user profile.
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|             const site = await this.sitesProvider.getSite(siteId);
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| 
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|             const options = {
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|                 cmId: h5pActivity.coursemodule,
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|                 readingStrategy: CoreSitesReadingStrategy.OnlyNetwork,
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|                 siteId: siteId,
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|             };
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| 
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|             await Promise.all([
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|                 AddonModH5PActivity.instance.getAllAttemptsResults(h5pActivity.id, options),
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|                 CoreUser.instance.prefetchProfiles([site.getUserId()], h5pActivity.course, siteId),
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|             ]);
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|         }
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|     }
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| }
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