Vmeda.Online/src/core/features/course/directives/download-module-main-file.ts

90 lines
3.5 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 { Directive, Input, OnInit, ElementRef } from '@angular/core';
import { CoreDomUtils } from '@services/utils/dom';
import { CoreCourse, CoreCourseModuleContentFile } from '@features/course/services/course';
import { CoreCourseHelper, CoreCourseModuleData } from '@features/course/services/course-helper';
import { CoreUtilsOpenFileOptions } from '@services/utils/utils';
/**
* Directive to allow downloading and open the main file of a module.
* When the item with this directive is clicked, the module will be downloaded (if needed) and opened.
* This is meant for modules like mod_resource.
*
* This directive must receive either a module or a moduleId. If no files are provided, it will use module.contents.
*/
@Directive({
selector: '[core-course-download-module-main-file]',
})
export class CoreCourseDownloadModuleMainFileDirective implements OnInit {
@Input() module?: CoreCourseModuleData; // The module.
@Input() moduleId?: string | number; // The module ID. Required if module is not supplied.
@Input() courseId?: string | number; // The course ID.
@Input() component?: string; // Component to link the file to.
@Input() componentId?: string | number; // Component ID to use in conjunction with the component. If not defined, use moduleId.
@Input() files?: CoreCourseModuleContentFile[]; // List of files of the module. If not provided, use module.contents.
@Input() options?: CoreUtilsOpenFileOptions = {};
protected element: HTMLElement;
constructor(element: ElementRef) {
this.element = element.nativeElement;
}
/**
* Component being initialized.
*/
ngOnInit(): void {
this.element.addEventListener('click', async (ev: Event) => {
if (!this.module && !this.moduleId) {
return;
}
ev.preventDefault();
ev.stopPropagation();
const modal = await CoreDomUtils.showModalLoading();
const courseId = typeof this.courseId == 'string' ? parseInt(this.courseId, 10) : this.courseId;
try {
if (!this.module) {
// Try to get the module from cache.
this.moduleId = typeof this.moduleId == 'string' ? parseInt(this.moduleId, 10) : this.moduleId;
this.module = await CoreCourse.getModule(this.moduleId!, courseId);
}
const componentId = this.componentId || module.id;
await CoreCourseHelper.downloadModuleAndOpenFile(
this.module,
courseId ?? this.module.course,
this.component,
componentId,
this.files,
undefined,
this.options,
);
} catch (error) {
CoreDomUtils.showErrorModalDefault(error, 'core.errordownloading', true);
} finally {
modal.dismiss();
}
});
}
}