101 lines
2.4 KiB
PHP
101 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Robin Appelman <robin@icewind.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 OCA\Files_Versions\Versions;
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use OCP\Files\File;
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use OCP\Files\FileInfo;
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use OCP\Files\NotFoundException;
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use OCP\Files\Storage\IStorage;
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use OCP\IUser;
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/**
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* @since 15.0.0
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*/
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interface IVersionBackend {
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/**
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* Whether or not this version backend should be used for a storage
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*
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* If false is returned then the next applicable backend will be used
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*
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* @param IStorage $storage
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* @return bool
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* @since 17.0.0
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*/
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public function useBackendForStorage(IStorage $storage): bool;
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/**
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* Get all versions for a file
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*
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* @param IUser $user
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* @param FileInfo $file
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* @return IVersion[]
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* @since 15.0.0
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*/
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public function getVersionsForFile(IUser $user, FileInfo $file): array;
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/**
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* Create a new version for a file
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*
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* @param IUser $user
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* @param FileInfo $file
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* @since 15.0.0
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*/
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public function createVersion(IUser $user, FileInfo $file);
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/**
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* Restore this version
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*
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* @param IVersion $version
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* @since 15.0.0
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*/
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public function rollback(IVersion $version);
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/**
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* Open the file for reading
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*
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* @param IVersion $version
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* @return resource
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* @throws NotFoundException
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* @since 15.0.0
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*/
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public function read(IVersion $version);
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/**
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* Get the preview for a specific version of a file
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*
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* @param IUser $user
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* @param FileInfo $sourceFile
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* @param int|string $revision
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*
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* @return File
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*
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* @since 15.0.0
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*/
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public function getVersionFile(IUser $user, FileInfo $sourceFile, $revision): File;
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}
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