Vmeda.Online/src/addon/competency/providers/course-option-handler.ts
2018-12-21 16:35:37 +01:00

120 lines
5.1 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, Injector } from '@angular/core';
import { CoreCourseOptionsHandler, CoreCourseOptionsHandlerData } from '@core/course/providers/options-delegate';
import { CoreCourseProvider } from '@core/course/providers/course';
import { AddonCompetencyCourseComponent } from '../components/course/course';
import { AddonCompetencyProvider } from '../providers/competency';
/**
* Course nav handler.
*/
@Injectable()
export class AddonCompetencyCourseOptionHandler implements CoreCourseOptionsHandler {
name = 'AddonCompetency';
priority = 300;
constructor(private competencyProvider: AddonCompetencyProvider) {}
/**
* Whether or not the handler is enabled ona site level.
* @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
*/
isEnabled(): boolean | Promise<boolean> {
return true;
}
/**
* Whether or not the handler is enabled for a certain course.
*
* @param {number} courseId The course ID.
* @param {any} accessData Access type and data. Default, guest, ...
* @param {any} [navOptions] Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
* @param {any} [admOptions] Course admin options for current user. See CoreCoursesProvider.getUserAdministrationOptions.
* @return {boolean|Promise<boolean>} True or promise resolved with true if enabled.
*/
isEnabledForCourse(courseId: number, accessData: any, navOptions?: any, admOptions?: any): boolean | Promise<boolean> {
if (accessData && accessData.type == CoreCourseProvider.ACCESS_GUEST) {
return false; // Not enabled for guests.
}
if (navOptions && typeof navOptions.competencies != 'undefined') {
return navOptions.competencies;
}
return this.competencyProvider.isPluginForCourseEnabled(courseId).then((competencies) => {
return competencies ? !competencies.canmanagecoursecompetencies : false;
});
}
/**
* Returns the data needed to render the handler.
*
* @param {Injector} injector Injector.
* @param {number} courseId The course ID.
* @return {CoreCourseOptionsHandlerData|Promise<CoreCourseOptionsHandlerData>} Data or promise resolved with the data.
*/
getDisplayData?(injector: Injector, courseId: number): CoreCourseOptionsHandlerData | Promise<CoreCourseOptionsHandlerData> {
return {
title: 'addon.competency.competencies',
class: 'addon-competency-course-handler',
component: AddonCompetencyCourseComponent
};
}
/**
* Should invalidate the data to determine if the handler is enabled for a certain course.
*
* @param {number} courseId The course ID.
* @param {any} [navOptions] Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
* @param {any} [admOptions] Course admin options for current user. See CoreCoursesProvider.getUserAdministrationOptions.
* @return {Promise<any>} Promise resolved when done.
*/
invalidateEnabledForCourse(courseId: number, navOptions?: any, admOptions?: any): Promise<any> {
if (navOptions && typeof navOptions.competencies != 'undefined') {
// No need to invalidate anything.
return Promise.resolve();
}
return this.competencyProvider.invalidateCourseCompetencies(courseId);
}
/**
* Called when a course is downloaded. It should prefetch all the data to be able to see the addon in offline.
*
* @param {any} course The course.
* @return {Promise<any>} Promise resolved when done.
*/
prefetch(course: any): Promise<any> {
// Get the competencies in the course.
return this.competencyProvider.getCourseCompetencies(course.id, undefined, undefined, true).then((competencies) => {
const promises = [];
// Prefetch all the competencies.
if (competencies && competencies.competencies) {
competencies.competencies.forEach((competency) => {
promises.push(this.competencyProvider.getCompetencyInCourse(course.id, competency.competency.id, undefined,
undefined, true));
promises.push(this.competencyProvider.getCompetencySummary(competency.competency.id, undefined, undefined,
true));
});
}
return Promise.all(promises);
});
}
}