forked from CIT/Vmeda.Online
99 lines
3.4 KiB
TypeScript
99 lines
3.4 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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import { Injectable } from '@angular/core';
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import { CoreCourseResourcePrefetchHandlerBase } from '@features/course/classes/resource-prefetch-handler';
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import { CoreCourse, CoreCourseAnyModuleData, CoreCourseWSSection } from '@features/course/services/course';
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import { makeSingleton } from '@singletons';
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import { ADDON_MOD_SUBSECTION_COMPONENT } from '../../constants';
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import { CoreCourseHelper, CoreCourseModuleData } from '@features/course/services/course-helper';
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import { CoreFileSizeSum } from '@services/plugin-file-delegate';
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import { CoreCourseModulePrefetchDelegate } from '@features/course/services/module-prefetch-delegate';
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import { CoreSites } from '@services/sites';
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/**
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* Handler to prefetch subsections.
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*/
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@Injectable({ providedIn: 'root' })
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export class AddonModSubsectionPrefetchHandlerService extends CoreCourseResourcePrefetchHandlerBase {
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name = 'AddonModSubsection';
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modName = 'subsection';
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component = ADDON_MOD_SUBSECTION_COMPONENT;
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/**
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* @inheritdoc
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*/
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protected async performDownloadOrPrefetch(
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siteId: string,
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module: CoreCourseModuleData,
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courseId: number,
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): Promise<void> {
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const section = await this.getSection(module, courseId, siteId);
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if (!section) {
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return;
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}
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await CoreCourseHelper.prefetchSections([section], courseId);
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}
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/**
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* @inheritdoc
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*/
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async getDownloadSize(module: CoreCourseAnyModuleData, courseId: number): Promise<CoreFileSizeSum> {
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const section = await this.getSection(module, courseId);
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if (!section) {
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return { size: 0, total: true };
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}
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return await CoreCourseModulePrefetchDelegate.getDownloadSize(section.modules, courseId);
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}
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/**
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* @inheritdoc
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*/
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async getDownloadedSize(module: CoreCourseAnyModuleData, courseId: number): Promise<number> {
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const section = await this.getSection(module, courseId);
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if (!section) {
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return 0;
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}
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return CoreCourseHelper.getModulesDownloadedSize(section.modules, courseId);
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}
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/**
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* Get the section of a module.
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*
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* @param module Module.
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* @param courseId Course ID.
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* @param siteId Site ID. If not defined, current site.
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* @returns Promise resolved with the section if found.
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*/
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protected async getSection(
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module: CoreCourseAnyModuleData,
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courseId: number,
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siteId?: string,
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): Promise<CoreCourseWSSection | undefined> {
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siteId = siteId ?? CoreSites.getCurrentSiteId();
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const sections = await CoreCourse.getSections(courseId, false, true, undefined, siteId);
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return sections.find((section) =>
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section.component === 'mod_subsection' && section.itemid === module.instance);
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}
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}
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export const AddonModSubsectionPrefetchHandler = makeSingleton(AddonModSubsectionPrefetchHandlerService);
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