Vmeda.Online/src/core/grades/providers/course-option-handler.ts
2018-03-01 10:10:47 +01:00

93 lines
3.7 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 } from '@angular/core';
import { NavController } from 'ionic-angular';
import { CoreCourseOptionsHandler, CoreCourseOptionsHandlerData } from '../../course/providers/options-delegate';
import { CoreCourseProvider } from '../../course/providers/course';
import { CoreGradesProvider } from './grades';
import { CoreCoursesProvider } from '../../courses/providers/courses';
import { CoreGradesCourseComponent } from '../components/course/course';
/**
* Course nav handler.
*/
@Injectable()
export class CoreGradesCourseOptionHandler implements CoreCourseOptionsHandler {
name = 'CoreGrades';
priority = 400;
constructor(private gradesProvider: CoreGradesProvider, private coursesProvider: CoreCoursesProvider) {}
/**
* 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.grades != 'undefined') {
// No need to invalidate anything.
return Promise.resolve();
}
return this.coursesProvider.invalidateUserCourses();
}
/**
* Check if the handler is enabled on a site level.
*
* @return {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.grades != 'undefined') {
return navOptions.grades;
}
return this.gradesProvider.isPluginEnabledForCourse(courseId);
}
/**
* Returns the data needed to render the handler.
*
* @return {CoreCourseOptionsHandlerData} Data needed to render the handler.
*/
getDisplayData(): CoreCourseOptionsHandlerData {
return {
title: 'core.grades.grades',
class: 'core-grades-course-handler',
component: CoreGradesCourseComponent
};
}
}