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Else the number of files can grow very large very quickly in the preview folder. Esp on large systems. This generates the md5 of the fileid. And then creates folders of the first 7 charts. In that folder is then a folder with the fileid. And inside there are the previews. Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
71 lines
2 KiB
PHP
71 lines
2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OC\Preview\Storage;
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use OC\Files\AppData\AppData;
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use OC\SystemConfig;
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use OCP\Files\IRootFolder;
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use OCP\Files\NotFoundException;
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use OCP\Files\SimpleFS\ISimpleFolder;
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class Root extends AppData {
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public function __construct(IRootFolder $rootFolder, SystemConfig $systemConfig) {
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parent::__construct($rootFolder, $systemConfig, 'preview');
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}
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public function getFolder(string $name): ISimpleFolder {
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$internalFolder = $this->getInternalFolder($name);
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try {
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return parent::getFolder($internalFolder);
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} catch (NotFoundException $e) {
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/*
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* The new folder structure is not found.
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* Lets try the old one
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*/
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}
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return parent::getFolder($name);
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}
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public function newFolder(string $name): ISimpleFolder {
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$internalFolder = $this->getInternalFolder($name);
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return parent::newFolder($internalFolder);
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}
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/*
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* Do not allow directory listing on this special root
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* since it gets to big and time consuming
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*/
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public function getDirectoryListing(): array {
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return [];
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}
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private function getInternalFolder(string $name): string {
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return implode('/', str_split(substr(md5($name), 0, 7))) . '/' . $name;
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}
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}
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