<?php
/**
* @brief Background 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 11 Sep 2017
*/
namespace IPS\core\extensions\core\Queue;
/* 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;
}
/**
* Background Task
*/
class _DeleteImageProxyFiles
{
/**
* Parse data before queuing
*
* @param array $data
* @return array
*/
public function preQueueData( $data )
{
/* Don't run if the image proxy is enabled */
if ( $data['status'] )
{
return NULL;
}
$data['total'] = \IPS\Db::i()->select( 'count(*)', 'core_image_proxy' )->first();
$data['deleted'] = 0;
return $data;
}
/**
* Run Background Task
*
* @param mixed $data Data as it was passed to \IPS\Task::queue()
* @param int $offset Offset
* @return int New offset
* @throws \IPS\Task\Queue\OutOfRangeException Indicates offset doesn't exist and thus task is complete
*/
public function run( $data, $offset )
{
$select = \IPS\Db::i()->select( 'location', 'core_image_proxy', array(), 'cache_time ASC', 10 );
if ( !$select->count() )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
foreach ( $select as $location )
{
try
{
\IPS\File::get( 'core_Imageproxycache', $location )->delete();
}
catch ( \Exception $e ) { }
\IPS\Db::i()->delete( 'core_image_proxy', array( 'location=?', $location ) );
$data['deleted']++;
}
return 10;
}
/**
* Get Progress
*
* @param mixed $data Data as it was passed to \IPS\Task::queue()
* @param int $offset Offset
* @return array( 'text' => 'Doing something...', 'complete' => 50 ) Text explaining task and percentage complete
* @throws \OutOfRangeException Indicates offset doesn't exist and thus task is complete
*/
public function getProgress( $data, $offset )
{
return array( 'text' => \IPS\Member::loggedIn()->language()->addToStack('deleting_imageproxy_files'), 'complete' => $data['total'] ? ( round( ( 100 / $data['total'] ) * $data['deleted'], 2 ) ) : 100 );
}
}