demarches-normaliennes/app/javascript/new_design/dossiers/auto-uploads-controllers.js
2020-03-31 13:09:44 +02:00

46 lines
1.2 KiB
JavaScript

import Rails from '@rails/ujs';
import AutoUploadController from './auto-upload-controller.js';
// Manage multiple concurrent uploads.
//
// When the first upload starts, all the form "Submit" buttons are disabled.
// They are enabled again when the last upload ends.
export default class AutoUploadsControllers {
constructor() {
this.inFlightUploadsCount = 0;
}
async upload(input, file) {
let form = input.form;
this._incrementInFlightUploads(form);
try {
let controller = new AutoUploadController(input, file);
await controller.start();
} finally {
this._decrementInFlightUploads(form);
}
}
_incrementInFlightUploads(form) {
this.inFlightUploadsCount += 1;
if (form) {
form
.querySelectorAll('button[type=submit]')
.forEach(submitButton => Rails.disableElement(submitButton));
}
}
_decrementInFlightUploads(form) {
if (this.inFlightUploadsCount > 0) {
this.inFlightUploadsCount -= 1;
}
if (this.inFlightUploadsCount == 0 && form) {
form
.querySelectorAll('button[type=submit]')
.forEach(submitButton => Rails.enableElement(submitButton));
}
}
}