<?php
/**
* @brief Background Task: Rebuild Item Counts
* @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 14 Aug 2014
*/
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: Rebuild Item Counts (comments, etc)
*/
class _RebuildItemCounts
{
/**
* @brief Number of content items to index per cycle
*/
public $index = 500;
/**
* Parse data before queuing
*
* @param array $data
* @return array
*/
public function preQueueData( $data )
{
$classname = $data['class'];
if ( !isset( $classname::$commentClass ) )
{
return NULL;
}
try
{
$data['count'] = \IPS\Db::i()->select( 'MAX(' . $classname::$databasePrefix . $classname::$databaseColumnId . ')', $classname::$databaseTable )->first();
$data['realCount'] = $classname::db()->select( 'COUNT(*)', $classname::$databaseTable )->first();
}
catch( \IPS\Db\Exception $ex )
{
return NULL;
}
catch( \Exception $ex )
{
throw new \OutOfRangeException;
}
if( $data['count'] == 0 )
{
return null;
}
$data['indexed'] = 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 )
{
$classname = $data['class'];
$exploded = explode( '\\', $classname );
if ( !class_exists( $classname ) or !\IPS\Application::appIsEnabled( $exploded[1] ) )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
$last = NULL;
\IPS\Log::debug( "Running " . $classname . ", with an offset of " . $offset, 'rebuildItemCounts' );
/* A pages database may have been deleted */
try
{
$select = \IPS\Db::i()->select( '*', $classname::$databaseTable, array( $classname::$databasePrefix . $classname::$databaseColumnId . ' > ?', $offset ), $classname::$databasePrefix . $classname::$databaseColumnId . ' ASC', array( 0, $this->index ) );
$idColumn = $classname::$databaseColumnId;
$iterator = new \IPS\Patterns\ActiveRecordIterator( $select, $classname );
foreach( $iterator as $item )
{
$item->resyncLastComment();
$item->resyncCommentCounts();
$item->resyncReviewCounts();
$item->resyncLastReview();
$item->save();
$last = $item->$idColumn;
$data['indexed']++;
}
}
catch( \Exception $e )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
if( $last === NULL )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
return $last;
}
/**
* 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
*/
public function getProgress( $data, $offset )
{
$class = $data['class'];
if ( !class_exists( $class ) )
{
throw new \OutOfRangeException;
}
$exploded = explode( '\\', $class );
return array( 'text' => \IPS\Member::loggedIn()->language()->addToStack('rebuilding_item_counts', FALSE, array( 'sprintf' => array( \IPS\Member::loggedIn()->language()->addToStack( $class::$title, FALSE, array( 'strtolower' => TRUE ) ) ) ) ), 'complete' => $data['realCount'] ? ( round( 100 / $data['realCount'] * $data['indexed'], 2 ) ) : 100 );
}
/**
* Perform post-completion processing
*
* @param array $data
* @return void
*/
public function postComplete( $data )
{
/* Clear guest cache */
\IPS\Db::i()->delete( 'core_cache' );
}
}