106 lines
3.9 KiB
TypeScript
106 lines
3.9 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 } from '@angular/core';
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import { CoreLoggerProvider } from '@providers/logger';
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import { CoreSitesProvider } from '@providers/sites';
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import { CoreSite } from '@classes/site';
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import { CoreCourseProvider } from '../../course/providers/course';
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/**
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* Service that provides some features regarding site home.
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*/
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@Injectable()
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export class CoreSiteHomeProvider {
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protected logger;
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constructor(logger: CoreLoggerProvider, private sitesProvider: CoreSitesProvider, private courseProvider: CoreCourseProvider) {
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this.logger = logger.getInstance('CoreSiteHomeProvider');
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}
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/**
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* Returns whether or not the frontpage is available for the current site.
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*
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* @param {string} [siteId] The site ID. If not defined, current site.
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* @return {Promise<boolean>} Promise resolved with boolean: whether it's available.
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*/
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isAvailable(siteId?: string): Promise<boolean> {
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return this.sitesProvider.getSite(siteId).then((site) => {
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// First check if it's disabled.
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if (this.isDisabledInSite(site)) {
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return false;
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}
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// Use a WS call to check if there's content in the site home.
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const siteHomeId = site.getSiteHomeId(),
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preSets = { emergencyCache: false };
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this.logger.debug('Using WS call to check if site home is available.');
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return this.courseProvider.getSections(siteHomeId, false, true, preSets, site.id).then((sections): any => {
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if (!sections || !sections.length) {
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return Promise.reject(null);
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}
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for (let i = 0; i < sections.length; i++) {
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const section = sections[i];
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if (section.summary || (section.modules && section.modules.length)) {
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// It has content, return true.
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return true;
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}
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}
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return Promise.reject(null);
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}).catch(() => {
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const config = site.getStoredConfig();
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if (config && config.frontpageloggedin) {
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const items = config.frontpageloggedin.split(',');
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if (items.length > 0) {
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// It's enabled.
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return true;
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}
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}
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return false;
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});
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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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* Check if Site Home is disabled in a certain site.
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*
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* @param {string} [siteId] Site Id. If not defined, use current site.
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* @return {Promise<boolean>} Promise resolved with true if disabled, rejected or resolved with false otherwise.
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*/
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isDisabled(siteId?: string): Promise<boolean> {
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return this.sitesProvider.getSite(siteId).then((site) => {
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return this.isDisabledInSite(site);
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});
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}
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/**
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* Check if Site Home is disabled in a certain site.
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*
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* @param {CoreSite} [site] Site. If not defined, use current site.
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* @return {boolean} Whether it's disabled.
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*/
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isDisabledInSite(site: CoreSite): boolean {
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site = site || this.sitesProvider.getCurrentSite();
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return site.isFeatureDisabled('$mmSideMenuDelegate_mmaFrontpage');
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}
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}
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