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<?php
declare(strict_types=1);
/**
* @copyright Copyright 2022 Carl Schwan <carl@carlschwan.eu>
* @copyright Copyright 2022 Louis Chmn <louis@chmn.me>
* @license AGPL-3.0-or-later
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Photos\Listener;
use OCA\Photos\AppInfo\Application;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\Files\File;
use OCP\FilesMetadata\Event\MetadataBackgroundEvent;
use OCP\FilesMetadata\Event\MetadataLiveEvent;
use Psr\Log\LoggerInterface;
/**
* @template-implements IEventListener<MetadataLiveEvent>
*/
class SizeMetadataProvider implements IEventListener {
public function __construct(
private LoggerInterface $logger
) {
}
public function handle(Event $event): void {
if (!($event instanceof MetadataLiveEvent) && !($event instanceof MetadataBackgroundEvent)) {
return;
}
$node = $event->getNode();
if (!$node instanceof File || $node->getSize() === 0) {
return;
}
// We need the file content to extract the size.
// This can be slow for remote storage, so we do it in a background job.
if (!$node->getStorage()->isLocal() && $event instanceof MetadataLiveEvent) {
$event->requestBackgroundJob();
return;
}
if (!in_array($node->getMimeType(), Application::IMAGE_MIMES)) {
return;
}
$size = getimagesizefromstring($node->getContent());
if ($size === false) {
return;
}
$event->getMetadata()->setArray('photos-size', [
'width' => $size[0],
'height' => $size[1],
]);
}
}
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