2021-05-13 16:46:24 +02:00

146 lines
5.1 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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, Type } from '@angular/core';
import { DomSanitizer } from '@angular/platform-browser';
import { CoreConstants } from '@/core/constants';
import { CoreCourseModuleHandler, CoreCourseModuleHandlerData } from '@features/course/services/module-delegate';
import { CoreCourse, CoreCourseAnyModuleData } from '@features/course/services/course';
import { CoreCourseModule } from '@features/course/services/course-helper';
import { CoreApp } from '@services/app';
import { CoreFilepool } from '@services/filepool';
import { CoreNavigationOptions, CoreNavigator } from '@services/navigator';
import { CoreSites } from '@services/sites';
import { CoreUtils } from '@services/utils/utils';
import { makeSingleton } from '@singletons';
import { AddonModLtiHelper } from '../lti-helper';
import { AddonModLti, AddonModLtiProvider } from '../lti';
import { AddonModLtiIndexComponent } from '../../components/index';
/**
* Handler to support LTI modules.
*/
@Injectable({ providedIn: 'root' })
export class AddonModLtiModuleHandlerService implements CoreCourseModuleHandler {
static readonly PAGE_NAME = 'mod_lti';
name = 'AddonModLti';
modName = 'lti';
supportedFeatures = {
[CoreConstants.FEATURE_GROUPS]: false,
[CoreConstants.FEATURE_GROUPINGS]: false,
[CoreConstants.FEATURE_MOD_INTRO]: true,
[CoreConstants.FEATURE_COMPLETION_TRACKS_VIEWS]: true,
[CoreConstants.FEATURE_GRADE_HAS_GRADE]: true,
[CoreConstants.FEATURE_GRADE_OUTCOMES]: true,
[CoreConstants.FEATURE_BACKUP_MOODLE2]: true,
[CoreConstants.FEATURE_SHOW_DESCRIPTION]: true,
};
constructor(protected sanitizer: DomSanitizer) {}
/**
* @inheritdoc
*/
async isEnabled(): Promise<boolean> {
return true;
}
/**
* @inheritdoc
*/
getData(
module: CoreCourseAnyModuleData,
courseId: number,
): CoreCourseModuleHandlerData {
const data: CoreCourseModuleHandlerData = {
icon: CoreCourse.getModuleIconSrc(this.modName, 'modicon' in module ? module.modicon : undefined),
title: module.name,
class: 'addon-mod_lti-handler',
action(event: Event, module: CoreCourseModule, courseId: number, options?: CoreNavigationOptions): void {
options = options || {};
options.params = options.params || {};
Object.assign(options.params, { module });
const routeParams = '/' + courseId + '/' + module.id;
CoreNavigator.navigateToSitePath(AddonModLtiModuleHandlerService.PAGE_NAME + routeParams, options);
},
buttons: [{
icon: 'link',
label: 'addon.mod_lti.launchactivity',
action: (event: Event, module: CoreCourseModule, courseId: number): void => {
// Launch the LTI.
AddonModLtiHelper.getDataAndLaunch(courseId, module);
},
}],
};
// Handle custom icons.
CoreUtils.ignoreErrors(this.loadCustomIcon(module, courseId, data));
return data;
}
/**
* Load the custom icon.
*
* @param module Module.
* @param courseId Course ID.
* @param data Handler data.
* @return Promise resolved when done.
*/
protected async loadCustomIcon(
module: CoreCourseAnyModuleData,
courseId: number,
handlerData: CoreCourseModuleHandlerData,
): Promise<void> {
const lti = await AddonModLti.getLti(courseId, module.id);
const icon = lti.secureicon || lti.icon;
if (!icon) {
return;
}
const siteId = CoreSites.getCurrentSiteId();
try {
await CoreFilepool.downloadUrl(siteId, icon, false, AddonModLtiProvider.COMPONENT, module.id);
// Get the internal URL.
const url = await CoreFilepool.getSrcByUrl(siteId, icon, AddonModLtiProvider.COMPONENT, module.id);
handlerData.icon = this.sanitizer.bypassSecurityTrustUrl(url);
} catch {
// Error downloading. If we're online we'll set the online url.
if (CoreApp.isOnline()) {
handlerData.icon = this.sanitizer.bypassSecurityTrustUrl(icon);
}
}
}
/**
* @inheritdoc
*/
async getMainComponent(): Promise<Type<unknown> | undefined> {
return AddonModLtiIndexComponent;
}
}
export const AddonModLtiModuleHandler = makeSingleton(AddonModLtiModuleHandlerService);