<?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 Converter
* @since 28 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 _RebuildConversationFirstIds
{
/**
* Parse data before queuing
*
* @param array $data
* @return array
*/
public function preQueueData( $data )
{
try
{
$data['count'] = \IPS\Db::i()->select( 'count(mt_id)', 'core_message_topics' )->first();
}
catch( \Exception $e )
{
throw new \OutOfRangeException;
}
if( $data['count'] == 0 )
{
return NULL;
}
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 )
{
$last = NULL;
$topicIdsToReset = array();
$firstPostIds = array();
foreach( new \IPS\Patterns\ActiveRecordIterator( \IPS\Db::i()->select( '*', 'core_message_topics', array( "mt_id>?", $offset ), "mt_id ASC", array( 0, 50 ) ), 'IPS\core\Messenger\Conversation' ) AS $conversation )
{
try
{
/* Set first post */
$conversation->first_msg_id = \IPS\Db::i()->select( 'msg_id', 'core_message_posts', array( 'msg_topic_id=?', $conversation->id ), 'msg_date ASC', 1 )->first();
$conversation->save();
/* Reset new_topic value for topic */
$topicIdsToReset[] = $conversation->id;
$firstPostIds[] = $conversation->first_msg_id;
}
/* Underflow exception may occur if the topic doesn't have any posts for an unknown reason */
catch( \UnderflowException $e ) {}
$last = $conversation->id;
}
/* Reset flags as needed */
if( count( $topicIdsToReset ) )
{
\IPS\Db::i()->update( 'core_message_posts', array( 'msg_is_first_post' => 0 ), array( 'msg_topic_id IN(' . implode( ',', $topicIdsToReset ) . ')' ) );
}
if( count( $firstPostIds ) )
{
\IPS\Db::i()->update( 'core_message_posts', array( 'msg_is_first_post' => 1 ), array( 'msg_id IN(' . implode( ',', $firstPostIds ) . ')' ) );
}
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
* @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('queue_rebuilding_conversation_first_id'), 'complete' => $data['count'] ? ( round( 100 / $data['count'] * $offset, 2 ) ) : 100 );
}
}