Version 4.3.0

applications/gallery/extensions/core/Queue/RebuildGalleryImages.php

@@ -0,0 +1,112 @@
+<?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	Gallery
+ * @since		04 Dec 2017
+ */
+
+namespace IPS\gallery\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 _RebuildGalleryImages
+{
+	/**
+	 * @brief Number of content items to rebuild per cycle
+	 */
+	public $rebuild	= 20;
+
+	/**
+	 * Parse data before queuing
+	 *
+	 * @param	array	$data
+	 * @return	array
+	 */
+	public function preQueueData( $data )
+	{
+		try
+		{
+			$data['count']		= \IPS\Db::i()->select( 'COUNT(*)', 'gallery_images', array( 'image_media=?', 0 ) )->first();
+		}
+		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 )
+	{
+		if ( !\IPS\Application::appIsEnabled( 'gallery' ) )
+		{
+			throw new \IPS\Task\Queue\OutOfRangeException;
+		}
+
+		$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' );
+		$last     = NULL;
+
+		foreach( $iterator as $image )
+		{
+			try
+			{
+				$image->deleteThumbnails();
+				$image->buildThumbnails();
+				$image->save();
+			}
+			catch ( \Exception $e ) {}
+
+			$last = $image->id;
+			$data['indexed']++;
+		}
+
+		if( $last === NULL )
+		{
+			\IPS\Session::i()->log( 'acplogs__gallery_rebuilt' );
+
+			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('rebuilding_gallery_images' ), 'complete' => $data['count'] ? ( round( 100 / $data['count'] * $data['indexed'], 2 ) ) : 100 );
+	}
+}