Files
IPB/system/Extensions/FileStorageAbstract.php
2025-12-19 16:27:35 -08:00

60 lines
1.5 KiB
PHP

<?php
/**
* @brief FileStorageAbstract
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @subpackage
* @since 11/17/2023
*/
namespace IPS\Extensions;
/* To prevent PHP errors (extending class does not exist) revealing path */
use IPS\File;
use UnderflowException;
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
abstract class FileStorageAbstract
{
/**
* Count stored files
*
* @return int
*/
abstract public function count(): int;
/**
* Move stored files
*
* @param int $offset This will be sent starting with 0, increasing to get all files stored by this extension
* @param int $storageConfiguration New storage configuration ID
* @param int|NULL $oldConfiguration Old storage configuration ID
* @throws UnderflowException When file record doesn't exist. Indicating there are no more files to move
* @return void
*/
abstract public function move( int $offset, int $storageConfiguration, int $oldConfiguration=NULL ) : void;
/**
* Check if a file is valid
*
* @param File|string $file The file path to check
* @return bool
*/
abstract public function isValidFile( File|string $file ): bool;
/**
* Delete all stored files
*
* @return void
*/
abstract public function delete() : void;
}