diff options
Diffstat (limited to 'apps/files_versions/lib/Versions/LegacyVersionsBackend.php')
-rw-r--r-- | apps/files_versions/lib/Versions/LegacyVersionsBackend.php | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/apps/files_versions/lib/Versions/LegacyVersionsBackend.php b/apps/files_versions/lib/Versions/LegacyVersionsBackend.php new file mode 100644 index 00000000000..7293aca641e --- /dev/null +++ b/apps/files_versions/lib/Versions/LegacyVersionsBackend.php @@ -0,0 +1,105 @@ +<?php declare(strict_types=1); +/** + * @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl> + * + * @license GNU AGPL version 3 or any later version + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * 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 + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + */ + +namespace OCA\Files_Versions\Versions; + +use OC\Files\View; +use OCA\Files_Versions\Storage; +use OCP\Files\File; +use OCP\Files\FileInfo; +use OCP\Files\Folder; +use OCP\Files\IRootFolder; +use OCP\Files\NotFoundException; +use OCP\IUser; + +class LegacyVersionsBackend implements IVersionBackend { + /** @var IRootFolder */ + private $rootFolder; + + public function __construct(IRootFolder $rootFolder) { + $this->rootFolder = $rootFolder; + } + + public function getVersionsForFile(IUser $user, FileInfo $file): array { + $userFolder = $this->rootFolder->getUserFolder($user->getUID()); + $versions = Storage::getVersions($user->getUID(), $userFolder->getRelativePath($file->getPath())); + + return array_map(function (array $data) use ($file, $user) { + return new Version( + (int)$data['version'], + (int)$data['version'], + $data['name'], + (int)$data['size'], + $data['mimetype'], + $data['path'], + $file, + $this, + $user + ); + }, $versions); + } + + public function createVersion(IUser $user, FileInfo $file) { + $userFolder = $this->rootFolder->getUserFolder($user->getUID()); + $relativePath = $userFolder->getRelativePath($file->getPath()); + $userView = new View('/' . $user->getUID()); + // create all parent folders + Storage::createMissingDirectories($relativePath, $userView); + + Storage::scheduleExpire($user->getUID(), $relativePath); + + // store a new version of a file + $userView->copy('files/' . $relativePath, 'files_versions/' . $relativePath . '.v' . $file->getMtime()); + // ensure the file is scanned + $userView->getFileInfo('files_versions/' . $relativePath . '.v' . $file->getMtime()); + } + + public function rollback(IVersion $version) { + return Storage::rollback($version->getVersionPath(), $version->getRevisionId()); + } + + private function getVersionFolder(IUser $user): Folder { + $userRoot = $this->rootFolder->getUserFolder($user->getUID()) + ->getParent(); + try { + /** @var Folder $folder */ + $folder = $userRoot->get('files_versions'); + return $folder; + } catch (NotFoundException $e) { + return $userRoot->newFolder('files_versions'); + } + } + + public function read(IVersion $version) { + $versions = $this->getVersionFolder($version->getUser()); + /** @var File $file */ + $file = $versions->get($version->getVersionPath() . '.v' . $version->getRevisionId()); + return $file->fopen('r'); + } + + public function getVersionFile(IUser $user, FileInfo $sourceFile, int $revision): File { + $userFolder = $this->rootFolder->getUserFolder($user->getUID()); + $versionFolder = $this->getVersionFolder($user); + /** @var File $file */ + $file = $versionFolder->get($userFolder->getRelativePath($sourceFile->getPath()) . '.v' . $revision); + return $file; + } +} |