forked from CIT/Vmeda.Online
76 lines
2.3 KiB
TypeScript
76 lines
2.3 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 { CoreCourse, CoreCourseBlock } from '@features/course/services/course';
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import { CoreBlockDelegate } from './block-delegate';
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import { makeSingleton } from '@singletons';
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/**
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* Service that provides helper functions for blocks.
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*/
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@Injectable({ providedIn: 'root' })
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export class CoreBlockHelperProvider {
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/**
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* Return if it get course blocks options is enabled for the current site.
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*
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* @return true if enabled, false otherwise.
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*/
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canGetCourseBlocks(): boolean {
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return CoreCourse.canGetCourseBlocks() && !CoreBlockDelegate.areBlocksDisabledInCourses();
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}
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/**
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* Returns the list of blocks for the selected course.
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*
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* @param courseId Course ID.
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* @return List of supported blocks.
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*/
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async getCourseBlocks(courseId: number): Promise<CoreCourseBlock[]> {
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const canGetBlocks = this.canGetCourseBlocks();
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if (!canGetBlocks) {
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return [];
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}
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const blocks = await CoreCourse.getCourseBlocks(courseId);
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const hasSupportedBlock = CoreBlockDelegate.hasSupportedBlock(blocks);
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if (!hasSupportedBlock) {
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return [];
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}
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return blocks;
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}
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/**
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* Returns if the course has any block.
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*
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* @param courseId Course ID.
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* @return Wether course has blocks.
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*/
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async hasCourseBlocks(courseId: number): Promise<boolean> {
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try {
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const blocks = await this.getCourseBlocks(courseId);
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return blocks.length > 0;
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} catch {
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return false;
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}
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}
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}
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export const CoreBlockHelper = makeSingleton(CoreBlockHelperProvider);
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