<?php
/**
* @brief Clear temporary uploads 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
* @subpackage Gallery
* @since 18 Mar 2014
*/
namespace IPS\gallery\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;
}
/**
* Clear temporary uploads task
*/
class _clearUploads 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()
{
$cutoff = \IPS\DateTime::create()->sub( new \DateInterval( 'P1D' ) )->getTimestamp();
$sessions = array();
$messages = array();
$errorLang = \IPS\Lang::load( \IPS\Lang::defaultLanguage() )->get( 'gallery_clear_uploads_error' );
foreach( \IPS\Db::i()->select( '*', 'gallery_images_uploads', array( 'upload_date < ?', $cutoff ) ) as $upload )
{
try
{
$file = \IPS\File::get( 'gallery_Images', $upload['upload_location'] );
$file->delete();
}
catch ( \Exception $e )
{
$messages[] = sprintf( $errorLang, (string) $file, $e->getMessage() );
}
$sessions[ $upload['upload_session'] ] = $upload['upload_session'];
}
if( count( $sessions ) )
{
\IPS\Db::i()->delete( 'gallery_images_uploads', array( array( "upload_session IN('" . implode( "','", $sessions ) . "')" ) ) );
}
return !empty( $messages ) ? implode( '; ', $messages ) : 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()
{
}
}