nextcloud/lib/private/Preview/Storage/ObjectStorePreviewStorage.php
Carl Schwan 13c35c0f17 perf(preview): Migrate previews to the new optimized table
Signed-off-by: Carl Schwan <carl.schwan@nextcloud.com>
2025-10-06 13:37:15 +02:00

72 lines
1.9 KiB
PHP

<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileContributor: Carl Schwan
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Preview\Storage;
use Icewind\Streams\CountWrapper;
use OC\Files\SimpleFS\SimpleFile;
use OC\Preview\Db\Preview;
use OCP\Files\ObjectStore\IObjectStore;
class ObjectStorePreviewStorage implements IPreviewStorage {
private string $objectPrefix = 'urn:oid:preview:';
/**
* @param array{objectPrefix?: string, ...} $parameters
*/
public function __construct(
private readonly IObjectStore $objectStore,
private readonly array $parameters,
) {
if (isset($parameters['objectPrefix'])) {
$this->objectPrefix = $parameters['objectPrefix'] . 'preview:';
}
}
public function writePreview(Preview $preview, $stream): false|int {
if (!is_resource($stream)) {
$fh = fopen('php://temp', 'w+');
fwrite($fh, $stream);
rewind($fh);
$stream = $fh;
}
$size = 0;
$countStream = CountWrapper::wrap($stream, function (int $writtenSize) use (&$size): void {
$size = $writtenSize;
});
$this->objectStore->writeObject($this->constructUrn($preview), $countStream);
return $size;
}
public function readPreview(Preview $preview) {
return $this->objectStore->readObject($this->constructUrn($preview));
}
public function deletePreview(Preview $preview) {
return $this->objectStore->deleteObject($this->constructUrn($preview));
}
private function constructUrn(Preview $preview): string {
return $this->objectPrefix . $preview->getId();
}
public function migratePreview(Preview $preview, SimpleFile $file): void {
if (isset($this->parameters['objectPrefix'])) {
$objectPrefix = $this->parameters['objectPrefix'];
} else {
$objectPrefix = 'urn:oid:';
}
$this->objectStore->copyObject($objectPrefix . $file->getId(), $this->constructUrn($preview));
}
}