<?php
/**
* @brief Background Task: Restore missing items to deletion log
* @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 19 Oct 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: Restore missing items to deletion log
*/
class _FixDeletionLog
{
/**
* @brief Number of entries per cycle to restore
*/
public $perCycle = 500;
/**
* Parse data before queuing
*
* @param array $data
* @return array
*/
public function preQueueData( $data )
{
$classname = $data['class'];
/* If this class doesn't support hiding we can't use deletion log */
if ( !in_array( 'IPS\Content\Hideable', class_implements( $classname ) ) )
{
throw new \OutOfRangeException;
}
\IPS\Log::debug( "Getting preQueueData for " . $classname, 'fixDeletionLog' );
try
{
$where = array();
$where[] = array( 'dellog_id IS NULL' );
if ( isset( $classname::$databaseColumnMap['approved'] ) )
{
$where[] = array( $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnMap['approved'] . '=?', -2 );
}
elseif ( isset( $classname::$databaseColumnMap['hidden'] ) )
{
$where[] = array( $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnMap['hidden'] . '=?', -2 );
}
else
{
/* Failsafe */
throw new \OutOfRangeException;
}
$select = \IPS\Db::i()->select( 'count(*)', $classname::$databaseTable, $where )->join( 'core_deletion_log', array( 'dellog_content_class=? and dellog_content_id=' . $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnId, $classname ) );
$data['count'] = $select->first();
}
catch( \Exception $ex )
{
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 )
{
$classname = $data['class'];
$exploded = explode( '\\', $classname );
if ( !class_exists( $classname ) or !\IPS\Application::appIsEnabled( $exploded[1] ) )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
$indexed = 0;
\IPS\Log::debug( "Running " . $classname . ", with an offset of " . $offset, 'fixDeletionLog' );
/* This could be a pages database that has since been deleted */
try
{
$where = array();
$where[] = array( 'dellog_id IS NULL' );
if ( isset( $classname::$databaseColumnMap['approved'] ) )
{
$where[] = array( $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnMap['approved'] . '=?', -2 );
}
elseif ( isset( $classname::$databaseColumnMap['hidden'] ) )
{
$where[] = array( $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnMap['hidden'] . '=?', -2 );
}
$select = \IPS\Db::i()->select( $classname::$databaseTable . '.*', $classname::$databaseTable, $where )->join( 'core_deletion_log', array( 'dellog_content_class=? and dellog_content_id=' . $classname::$databaseTable . '.' . $classname::$databasePrefix . $classname::$databaseColumnId, $classname ) );
$iterator = new \IPS\Patterns\ActiveRecordIterator( $select, $classname );
foreach( $iterator as $item )
{
$idColumn = $classname::$databaseColumnId;
/* Try to figure out member */
$memberId = NULL;
try
{
if ( in_array( 'IPS\Content\Review', class_parents( $classname ) ) )
{
$memberId = \IPS\Db::i()->select( 'member_id', 'core_moderator_logs', array( 'class=? AND item_id=? AND ( lang_key=? AND note LIKE ? )', $classname, $item->$idColumn, 'modlog__action_delete', '%review%' ) )->first();
}
elseif ( in_array( 'IPS\Content\Comment', class_parents( $classname ) ) )
{
$memberId = \IPS\Db::i()->select( 'member_id', 'core_moderator_logs', array( 'class=? AND item_id=? AND lang_key=?', $classname, $item->$idColumn, 'modlog__comment_delete' ) )->first();
}
else
{
$memberId = \IPS\Db::i()->select( 'member_id', 'core_moderator_logs', array( 'class=? AND item_id=? AND lang_key=?', $classname, $item->$idColumn, 'modlog__action_delete' ) )->first();
}
}
catch( \Exception $e ){}
$log = new \IPS\core\DeletionLog;
$log->setContentAndMember( $item, $memberId ? \IPS\Member::load( $memberId ) : NULL );
$log->save();
$indexed++;
}
}
catch( \Exception $e )
{
\IPS\Log::log( $e, 'deletion_log' );
throw new \IPS\Task\Queue\OutOfRangeException;
}
/* If we didn't find any we are done */
if( !$indexed )
{
throw new \IPS\Task\Queue\OutOfRangeException;
}
return ( $offset + $indexed );
}
/**
* 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'];
$exploded = explode( '\\', $class );
if ( !class_exists( $class ) or !\IPS\Application::appIsEnabled( $exploded[1] ) )
{
throw new \OutOfRangeException;
}
return array( 'text' => \IPS\Member::loggedIn()->language()->addToStack('fixdellog_task', FALSE, array( 'sprintf' => array( \IPS\Member::loggedIn()->language()->addToStack( $class::$title, FALSE, array( 'strtolower' => TRUE ) ) ) ) ), 'complete' => $data['count'] ? ( round( 100 / $data['count'] * $offset, 2 ) ) : 100 );
}
}