forked from EVOgeek/Vmeda.Online
120 lines
4.8 KiB
TypeScript
120 lines
4.8 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, Injector } from '@angular/core';
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import { CoreCourseOptionsHandler, CoreCourseOptionsHandlerData } from '@core/course/providers/options-delegate';
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import { CoreCourseProvider } from '@core/course/providers/course';
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import { CoreGradesProvider } from './grades';
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import { CoreGradesHelperProvider } from './helper';
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import { CoreCoursesProvider } from '@core/courses/providers/courses';
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import { CoreGradesCourseComponent } from '../components/course/course';
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/**
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* Course nav handler.
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*/
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@Injectable()
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export class CoreGradesCourseOptionHandler implements CoreCourseOptionsHandler {
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name = 'CoreGrades';
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priority = 400;
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constructor(private gradesProvider: CoreGradesProvider, private coursesProvider: CoreCoursesProvider,
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private gradesHelper: CoreGradesHelperProvider) {}
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/**
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* Should invalidate the data to determine if the handler is enabled for a certain course.
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*
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* @param {number} courseId The course ID.
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* @param {any} [navOptions] Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
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* @param {any} [admOptions] Course admin options for current user. See CoreCoursesProvider.getUserAdministrationOptions.
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* @return {Promise<any>} Promise resolved when done.
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*/
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invalidateEnabledForCourse(courseId: number, navOptions?: any, admOptions?: any): Promise<any> {
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if (navOptions && typeof navOptions.grades != 'undefined') {
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// No need to invalidate anything.
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return Promise.resolve();
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}
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return this.coursesProvider.invalidateUserCourses();
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}
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/**
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* Check if the handler is enabled on a site level.
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*
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* @return {boolean} Whether or not the handler is enabled on a site level.
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*/
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isEnabled(): boolean | Promise<boolean> {
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return true;
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}
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/**
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* Whether or not the handler is enabled for a certain course.
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*
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* @param {number} courseId The course ID.
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* @param {any} accessData Access type and data. Default, guest, ...
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* @param {any} [navOptions] Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
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* @param {any} [admOptions] Course admin options for current user. See CoreCoursesProvider.getUserAdministrationOptions.
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* @return {boolean|Promise<boolean>} True or promise resolved with true if enabled.
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*/
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isEnabledForCourse(courseId: number, accessData: any, navOptions?: any, admOptions?: any): boolean | Promise<boolean> {
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if (accessData && accessData.type == CoreCourseProvider.ACCESS_GUEST) {
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return false; // Not enabled for guests.
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}
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if (navOptions && typeof navOptions.grades != 'undefined') {
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return navOptions.grades;
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}
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return this.gradesProvider.isPluginEnabledForCourse(courseId);
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}
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/**
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* Returns the data needed to render the handler.
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*
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* @param {Injector} injector Injector.
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* @param {number} courseId The course ID.
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* @return {CoreCourseOptionsHandlerData|Promise<CoreCourseOptionsHandlerData>} Data or promise resolved with the data.
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*/
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getDisplayData(injector: Injector, courseId: number): CoreCourseOptionsHandlerData | Promise<CoreCourseOptionsHandlerData> {
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return {
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title: 'core.grades.grades',
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class: 'core-grades-course-handler',
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component: CoreGradesCourseComponent
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};
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}
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/**
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* Called when a course is downloaded. It should prefetch all the data to be able to see the addon in offline.
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*
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* @param {any} course The course.
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* @return {Promise<any>} Promise resolved when done.
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*/
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prefetch(course: any): Promise<any> {
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return this.gradesProvider.getCourseGradesTable(course.id, undefined, undefined, true).then((table) => {
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const promises = [];
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table = this.gradesHelper.formatGradesTable(table);
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if (table && table.rows) {
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table.rows.forEach((row) => {
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if (row.itemtype != 'category') {
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promises.push(this.gradesHelper.getGradeItem(course.id, row.id, undefined, undefined, true));
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}
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});
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}
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return Promise.all(promises);
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});
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}
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}
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