forked from EVOgeek/Vmeda.Online
111 lines
3.5 KiB
TypeScript
111 lines
3.5 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 { Component, Optional, Injector } from '@angular/core';
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import { Content } from 'ionic-angular';
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import { CoreCourseModuleMainActivityComponent } from '@core/course/classes/main-activity-component';
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import { AddonModLtiProvider, AddonModLtiLti } from '../../providers/lti';
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/**
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* Component that displays an LTI entry page.
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*/
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@Component({
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selector: 'addon-mod-lti-index',
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templateUrl: 'addon-mod-lti-index.html',
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})
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export class AddonModLtiIndexComponent extends CoreCourseModuleMainActivityComponent {
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component = AddonModLtiProvider.COMPONENT;
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moduleName = 'lti';
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lti: AddonModLtiLti; // The LTI object.
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protected fetchContentDefaultError = 'addon.mod_lti.errorgetlti';
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constructor(injector: Injector,
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@Optional() protected content: Content,
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private ltiProvider: AddonModLtiProvider) {
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super(injector, content);
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}
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/**
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* Component being initialized.
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*/
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ngOnInit(): void {
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super.ngOnInit();
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this.loadContent();
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}
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/**
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* Check the completion.
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*/
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protected checkCompletion(): void {
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this.courseProvider.checkModuleCompletion(this.courseId, this.module.completiondata);
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}
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/**
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* Get the LTI data.
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*
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* @param refresh If it's refreshing content.
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* @param sync If it should try to sync.
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* @param showErrors If show errors to the user of hide them.
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* @return Promise resolved when done.
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*/
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protected fetchContent(refresh: boolean = false, sync: boolean = false, showErrors: boolean = false): Promise<any> {
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return this.ltiProvider.getLti(this.courseId, this.module.id).then((ltiData) => {
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this.lti = ltiData;
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this.description = this.lti.intro;
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this.dataRetrieved.emit(this.lti);
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}).then(() => {
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// All data obtained, now fill the context menu.
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this.fillContextMenu(refresh);
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});
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}
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/**
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* Perform the invalidate content function.
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*
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* @return Resolved when done.
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*/
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protected invalidateContent(): Promise<any> {
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const promises = [];
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promises.push(this.ltiProvider.invalidateLti(this.courseId));
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if (this.lti) {
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promises.push(this.ltiProvider.invalidateLtiLaunchData(this.lti.id));
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}
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return Promise.all(promises);
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}
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/**
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* Launch the LTI.
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*/
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launch(): void {
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this.ltiProvider.getLtiLaunchData(this.lti.id).then((launchData) => {
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// "View" LTI.
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this.ltiProvider.logView(this.lti.id, this.lti.name).then(() => {
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this.checkCompletion();
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}).catch((error) => {
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// Ignore errors.
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});
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// Launch LTI.
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return this.ltiProvider.launch(launchData.endpoint, launchData.parameters);
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}).catch((message) => {
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this.domUtils.showErrorModalDefault(message, 'core.error', true);
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});
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}
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}
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