141 lines
3.7 KiB
PHP
141 lines
3.7 KiB
PHP
<?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
|
|
* @subpackage convert
|
|
* @since 26 July 2016
|
|
*/
|
|
|
|
namespace IPS\convert\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 _DeleteEmptyTopics
|
|
{
|
|
/**
|
|
* Parse data before queuing
|
|
*
|
|
* @param array $data Data
|
|
* @return array
|
|
*/
|
|
public function preQueueData( $data )
|
|
{
|
|
try
|
|
{
|
|
$data['count'] = \IPS\Db::i()->select( 'count(tid)', 'forums_topics', array( 'forums_posts.pid IS NULL' ) )->join( 'forums_posts', 'forums_posts.topic_id=forums_topics.tid' )->first();
|
|
}
|
|
catch( \Exception $e )
|
|
{
|
|
throw new \OutOfRangeException;
|
|
}
|
|
|
|
if( $data['count'] == 0 )
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
$data['completed'] = 0;
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Run Background Task
|
|
*
|
|
* @param mixed $data Data as it was passed to \IPS\Task::queue()
|
|
* @param int $offset Offset
|
|
* @return int|null New offset or NULL if complete
|
|
* @throws \IPS\Task\Queue\OutOfRangeException Indicates offset doesn't exist and thus task is complete
|
|
*/
|
|
public function run( &$data, $offset )
|
|
{
|
|
if ( !class_exists( 'IPS\forums\Topic' ) OR !\IPS\Application::appisEnabled( 'forums' ) )
|
|
{
|
|
throw new \IPS\Task\Queue\OutOfRangeException;
|
|
}
|
|
|
|
/* If app was removed, then cancel this */
|
|
try
|
|
{
|
|
$app = \IPS\convert\App::load( $data['app'] );
|
|
}
|
|
catch( \OutOfRangeException $e )
|
|
{
|
|
throw new \IPS\Task\Queue\OutOfRangeException;
|
|
}
|
|
|
|
$last = NULL;
|
|
|
|
foreach( new \IPS\Patterns\ActiveRecordIterator( \IPS\Db::i()->select( '*', 'forums_topics', array( "tid>? AND forums_posts.pid IS NULL", $offset ), "tid ASC", array( 0, \IPS\REBUILD_SLOW ) )->join( 'forums_posts', 'forums_posts.topic_id=forums_topics.tid' ), 'IPS\forums\Topic' ) AS $topic )
|
|
{
|
|
$tid = $topic->tid;
|
|
|
|
/* Is this converted content? */
|
|
try
|
|
{
|
|
/* Just checking, we don't actually need anything */
|
|
$app->checkLink( $tid, 'forums_topics' );
|
|
}
|
|
catch( \OutOfRangeException $e )
|
|
{
|
|
$last = $tid;
|
|
$data['completed']++;
|
|
continue;
|
|
}
|
|
|
|
/* If the topic isn't archived, we can delete it */
|
|
if ( $topic->isArchived() == FALSE )
|
|
{
|
|
$topic->delete();
|
|
}
|
|
else
|
|
{
|
|
/* Archived topics will erroneously be picked up by our query, but that's ok...we'll just check them here and delete if empty */
|
|
try
|
|
{
|
|
/* Do we have any posts? This is more efficient than running a COUNT(*) query, funny enough */
|
|
\IPS\forums\Topic\ArchivedPost::db()->select( 'archive_id', 'forums_archive_posts', array( "archive_topic_id=?", $topic->tid ), NULL, 1 )->first();
|
|
}
|
|
/* This topic is empty */
|
|
catch( \UnderflowException $e )
|
|
{
|
|
$topic->delete();
|
|
}
|
|
}
|
|
|
|
$last = $tid;
|
|
$data['completed']++;
|
|
}
|
|
|
|
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 explaning task and percentage complete
|
|
*/
|
|
public function getProgress( $data, $offset )
|
|
{
|
|
return array( 'text' => \IPS\Member::loggedIn()->language()->addToStack( 'queue_deleting_empty_topics' ), 'complete' => $data['count'] ? ( round( 100 / $data['count'] * $data['completed'], 2 ) ) : 100 );
|
|
}
|
|
} |