Files
Mangarr/assets/controllers/download_controller.js
Jérémy Guillot 54c581b229 Added:
- turbo + code adaptation
- cover & thumbnails download
2024-07-06 21:25:07 +02:00

70 lines
2.1 KiB
JavaScript

import { Controller } from '@hotwired/stimulus';
/* stimulusFetch: 'lazy' */
export default class extends Controller {
static targets = ['icon']
static values = {
url: String
}
connect() {
this.defaultIconClass = this.iconTarget.classList.value;
}
async download(event) {
event.preventDefault();
// Change the icon to a loader
this.iconTarget.classList.remove("fa-download", "fa-search");
this.iconTarget.classList.add("fa-spinner", "fa-spin");
try {
const response = await fetch(this.urlValue, {
method: 'GET',
headers: {
'Accept': 'application/json',
'X-Requested-With': 'XMLHttpRequest'
}
});
const contentType = response.headers.get("Content-Type");
if (contentType && contentType.includes("application/json")) {
const data = await response.json();
if (data.error) {
this.dispatchAlert(data.error, 'error');
} else if (data.success) {
this.dispatchAlert(data.success, 'success');
}
} else {
// C'est un fichier à télécharger
const blob = await response.blob();
const url = window.URL.createObjectURL(blob);
const a = document.createElement('a');
a.style.display = 'none';
a.href = url;
const contentDisposition = response.headers.get('Content-Disposition');
const filenameRegex = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/;
const matches = filenameRegex.exec(contentDisposition);
let filename = 'download';
if (matches != null && matches[1]) {
filename = matches[1].replace(/['"]/g, '');
}
a.download = filename;
document.body.appendChild(a);
a.click();
window.URL.revokeObjectURL(url);
}
} finally {
// Revert the icon back to the original one
this.iconTarget.classList.value = this.defaultIconClass;
}
}
dispatchAlert(message, level) {
const event = new CustomEvent('alert:show', {
detail: { message: message, level: level }
});
window.dispatchEvent(event);
}
}