<?php
/**
* @brief cleanupattachments Task
* @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
* @since 08 Dec 2015
*/
namespace IPS\core\tasks;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Task that removes attachments that were never claimed
*/
class _cleanupattachments extends \IPS\Task
{
/**
* Execute
*
* If ran successfully, should return anything worth logging. Only log something
* worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases).
* If an error occurs which means the task could not finish running, throw an \IPS\Task\Exception - do not log an error as a normal log.
* Tasks should execute within the time of a normal HTTP request.
*
* @return mixed Message to log or NULL
* @throws \IPS\Task\Exception
*/
public function execute()
{
/* Cleanup - this is deliberately slightly different to the one in \IPS\Text\Parser as it will only delete attachments which have been "saved" (i.e. are not in the middle of being posted) */
foreach ( \IPS\Db::i()->select( '*', 'core_attachments', array( array( 'attach_id NOT IN(?) AND attach_post_key=?', \IPS\Db::i()->select( 'DISTINCT attachment_id', 'core_attachments_map' ), '' ) ) ) as $attachment )
{
try
{
\IPS\Db::i()->delete( 'core_attachments', array( 'attach_id=?', $attachment['attach_id'] ) );
\IPS\File::get( 'core_Attachment', $attachment['attach_location'] )->delete();
if ( $attachment['attach_thumb_location'] )
{
\IPS\File::get( 'core_Attachment', $attachment['attach_thumb_location'] )->delete();
}
}
catch ( \Exception $e ) { }
}
return NULL;
}
/**
* Cleanup
*
* If your task takes longer than 15 minutes to run, this method
* will be called before execute(). Use it to clean up anything which
* may not have been done
*
* @return void
*/
public function cleanup()
{
}
}