nextcloud-app-radio/lib/Controller/ExportController.php

<?php

/**
 * Radio App
 *
 * @author Jonas Heinrich
 * @copyright 2021 Jonas Heinrich <onny@project-insanity.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
 *
 * You should have received a copy of the GNU Affero General Public
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Radio\Controller;

use OC;
use OCA\Radio\AppInfo\Application;
use OCA\Radio\Service\FavoriteService;
use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\DataResponse;
use OCP\IRequest;
use SimpleXMLElement;

class ExportController extends Controller {
	/** @var FavoriteService */
	private $service;

	/** @var string */
	private $userId;

	use Errors;

	public function __construct(IRequest $request,
								FavoriteService $service,
								$userId) {
		parent::__construct(Application::APP_ID, $request);
		$this->service = $service;
		$this->userId = $userId;
	}

	/**
	 * @NoAdminRequired
	 */
	public function index() {
		$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><playlist></playlist>');
		$trackList = $xml->addChild('trackList');
		$track = $trackList->addChild('track');
		$track->addChild('location', 'http://localhost/test.mp3');
		$track->addChild('title', 'Radio Test 404fm');
		$track->addChild('image', 'http://localhost/favicon.ico');

		$user = OC::$server->getUserSession()->getUser();
		if (is_null($user)) {
			throw new HintException('User not logged in');
		}

		$userName = $user->getDisplayName();
		$productName = OC::$server->getThemingDefaults()->getName();
		$dateTime = OC::$server->getDateTimeFormatter();

		$export_name = '"' . $productName . ' Radio Favorites (' . $userName . ') (' . $dateTime->formatDate(time()) . ').xspf"';

		header('Content-Type: application/xspf+xml');
		header('Content-Disposition: attachment; filename=' . $export_name);
		//return new DataResponse($this->service->findAll($this->userId));
		return $xml->asXML();
	}

}