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18fbacdd8d
The new oc_previews table is optimized for storing previews and should decrease significantly the space taken by previews in the filecache table. This attend to reuse the IObjectStore abstraction over S3/Swift/Azure but currently only support one single bucket configuration. Signed-off-by: Carl Schwan <carl.schwan@nextclound.com>
43 lines
1.5 KiB
PHP
43 lines
1.5 KiB
PHP
<?php
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namespace OC\Preview\Storage;
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use Icewind\Streams\CountWrapper;
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use OC\Files\Storage\Local;
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use OC\Preview\Db\Preview;
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use OCP\Files\Storage\IStorage;
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use OCP\IPreview;
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class LocalPreviewStorage implements IPreviewStorage {
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private const PREVIEW_DIRECTORY = "__preview";
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public function __construct(private readonly string $rootFolder) {
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}
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public function writePreview(Preview $preview, $stream): false|int {
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$previewPath = $this->constructPath($preview);
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['basename' => $basename, 'dirname' => $dirname] = pathinfo($previewPath);
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$currentDir = $this->rootFolder . DIRECTORY_SEPARATOR . self::PREVIEW_DIRECTORY;
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mkdir($currentDir);
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foreach (explode('/', $dirname) as $suffix) {
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$currentDir .= "/$suffix";
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mkdir($currentDir);
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}
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$file = @fopen($this->rootFolder . DIRECTORY_SEPARATOR . self::PREVIEW_DIRECTORY . DIRECTORY_SEPARATOR . $previewPath, "w");
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return fwrite($file, $stream);
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}
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public function readPreview(Preview $preview) {
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$previewPath = $this->constructPath($preview);
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return @fopen($this->rootFolder . DIRECTORY_SEPARATOR . self::PREVIEW_DIRECTORY . DIRECTORY_SEPARATOR . $previewPath, "r");
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}
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public function deletePreview(Preview $preview) {
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$previewPath = $this->constructPath($preview);
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@unlink($this->rootFolder . DIRECTORY_SEPARATOR . self::PREVIEW_DIRECTORY . DIRECTORY_SEPARATOR . $previewPath);
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}
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private function constructPath(Preview $preview): string {
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return implode('/', str_split(substr(md5((string)$preview->getFileId()), 0, 7))) . '/' . $preview->getFileId() . '/' . $preview->getName();
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}
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}
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