friendica/src/Model/Storage/IWritableStorage.php

54 lines
1.8 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model\Storage;
/**
* Interface for writable storage backends
*
* Used for storages with CRUD functionality, mainly used for user data (e.g. photos, attachements).
* There's only one active writable storage possible. This type of storage is selectable by the current administrator.
*/
interface IWritableStorage extends IStorage
{
/**
* Put data in backend as $ref. If $ref is not defined a new reference is created.
*
* @param string $data Data to save
* @param string $reference Data reference. Optional.
*
* @return string Saved data reference
*
* @throws StorageException in case there's an unexpected error
*/
public function put(string $data, string $reference = ""): string;
/**
* Remove data from backend
*
* @param string $reference Data reference
*
* @throws StorageException in case there's an unexpected error
* @throws ReferenceStorageException in case the reference doesn't exist
*/
public function delete(string $reference);
}