110 lines
2.7 KiB
PHP
110 lines
2.7 KiB
PHP
<?php
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/**
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* @brief Background Task
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @subpackage Gallery
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* @since 04 Dec 2017
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*/
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namespace IPS\gallery\extensions\core\Queue;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* Background Task
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*/
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class _RebuildGalleryImages
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{
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/**
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* @brief Number of content items to rebuild per cycle
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*/
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public $rebuild = \IPS\REBUILD_SLOW;
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/**
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* Parse data before queuing
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*
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* @param array $data
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* @return array
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*/
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public function preQueueData( $data )
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{
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try
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{
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$data['count'] = \IPS\Db::i()->select( 'COUNT(*)', 'gallery_images', array( 'image_media=?', 0 ) )->first();
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}
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catch( \Exception $ex )
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{
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throw new \OutOfRangeException;
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}
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if( $data['count'] == 0 )
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{
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return null;
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}
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$data['indexed'] = 0;
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return $data;
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}
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/**
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* Run Background Task
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*
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* @param mixed $data Data as it was passed to \IPS\Task::queue()
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* @param int $offset Offset
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* @return int New offset
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* @throws \IPS\Task\Queue\OutOfRangeException Indicates offset doesn't exist and thus task is complete
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*/
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public function run( &$data, $offset )
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{
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if ( !\IPS\Application::appIsEnabled( 'gallery' ) )
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{
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throw new \IPS\Task\Queue\OutOfRangeException;
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}
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$iterator = new \IPS\Patterns\ActiveRecordIterator( \IPS\Db::i()->select( '*', 'gallery_images', array( array( 'image_media=? AND image_id>?', 0, $offset ) ), 'image_id ASC', array( 0, $this->rebuild ) ), 'IPS\\gallery\\Image' );
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$last = NULL;
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foreach( $iterator as $image )
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{
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try
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{
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$image->deleteThumbnails();
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$image->buildThumbnails();
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$image->save();
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}
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catch ( \Exception $e ) {}
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$last = $image->id;
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$data['indexed']++;
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}
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if( $last === NULL )
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{
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throw new \IPS\Task\Queue\OutOfRangeException;
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}
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return $last;
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}
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/**
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* Get Progress
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*
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* @param mixed $data Data as it was passed to \IPS\Task::queue()
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* @param int $offset Offset
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* @return array( 'text' => 'Doing something...', 'complete' => 50 ) Text explaining task and percentage complete
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* @throws \OutOfRangeException Indicates offset doesn't exist and thus task is complete
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*/
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public function getProgress( $data, $offset )
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{
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return array( 'text' => \IPS\Member::loggedIn()->language()->addToStack('rebuilding_gallery_images' ), 'complete' => $data['count'] ? ( round( 100 / $data['count'] * $data['indexed'], 2 ) ) : 100 );
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}
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} |