Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/assets/vue/components/documents/UploadAdapter.js

105 lines
4.0 KiB

import { ENTRYPOINT } from '../../config/entrypoint';
// From
// https://ckeditor.com/docs/ckeditor5/latest/framework/guides/deep-dive/upload-adapter.html
export default class MyUploadAdapter {
constructor( loader ) {
// The file loader instance to use during the upload.
this.loader = loader;
}
// Starts the upload process.
upload() {
return this.loader.file
.then( file => new Promise( ( resolve, reject ) => {
this._initRequest();
this._initListeners( resolve, reject, file );
this._sendRequest( file );
} ) );
}
// Aborts the upload process.
abort() {
if ( this.xhr ) {
this.xhr.abort();
}
}
// Initializes the XMLHttpRequest object using the URL passed to the constructor.
_initRequest() {
const xhr = this.xhr = new XMLHttpRequest();
// Note that your request may look different. It is up to you and your editor
// integration to choose the right communication channel. This example uses
// a POST request with JSON as a data structure but your configuration
// could be different.
xhr.open( 'POST', ENTRYPOINT + 'documents', true );
xhr.responseType = 'json';
}
// Initializes XMLHttpRequest listeners.
_initListeners( resolve, reject, file ) {
const xhr = this.xhr;
const loader = this.loader;
const genericErrorText = `Couldn't upload file: ${ file.name }.`;
xhr.addEventListener( 'error', () => reject( genericErrorText ) );
xhr.addEventListener( 'abort', () => reject() );
xhr.addEventListener( 'load', () => {
const response = xhr.response;
// This example assumes the XHR server's "response" object will come with
// an "error" which has its own "message" that can be passed to reject()
// in the upload promise.
//
// Your integration may handle upload errors in a different way so make sure
// it is done properly. The reject() function must be called when the upload fails.
if ( !response || response.error ) {
return reject( response && response.error ? response.error.message : genericErrorText );
}
// If the upload is successful, resolve the upload promise with an object containing
// at least the "default" URL, pointing to the image on the server.
// This URL will be used to display the image in the content. Learn more in the
// UploadAdapter#upload documentation.
resolve( {
//default: response.url
default: response.contentUrl
} );
} );
// Upload progress when it is supported. The file loader has the #uploadTotal and #uploaded
// properties which are used e.g. to display the upload progress bar in the editor
// user interface.
if ( xhr.upload ) {
xhr.upload.addEventListener( 'progress', evt => {
if ( evt.lengthComputable ) {
loader.uploadTotal = evt.total;
loader.uploaded = evt.loaded;
}
} );
}
}
// Prepares the data and sends the request.
_sendRequest( file ) {
// Prepare the form data.
const data = new FormData();
// Chamilo
data.append('filetype', 'file');
data.append('parentResourceNodeId', '4');
data.append('resourceLinkList', '{"c_id": 1, "visibility":2}');
data.append('uploadFile', file);
//data.append( 'upload', file );
// Important note: This is the right place to implement security mechanisms
// like authentication and CSRF protection. For instance, you can use
// XMLHttpRequest.setRequestHeader() to set the request headers containing
// the CSRF token generated earlier by your application.
// Send the request.
this.xhr.send( data );
}
}