Version 4.6.0

applications/core/sources/Promote/Promote.php

@@ -873,6 +873,11 @@ class _Promote extends \IPS\Patterns\ActiveRecord
 		return parent::delete();
 	}
 	
+	/**
+	 * @brief	Cache internal stream data
+	 */
+	protected static $internalStream = array();
+
 	/**
 	 * Promote stream of internally promoted items
 	 *
@@ -883,6 +888,13 @@ class _Promote extends \IPS\Patterns\ActiveRecord
 	 */
 	public static function internalStream( $limit=10, $sortField='promote_sent', $sortDirection='desc')
 	{
+		$_key = md5( $limit . $sortField . $sortDirection );
+
+		if( array_key_exists( $_key, static::$internalStream ) )
+		{
+			return static::$internalStream[ $_key ];
+		}
+
 		$items = array();
 		
 		foreach( \IPS\Db::i()->select( '*', 'core_social_promote', array( 'promote_sent > 0 and promote_internal=1 and promote_hide=0' ), $sortField . ' ' . $sortDirection, $limit ) as $row )
@@ -890,6 +902,7 @@ class _Promote extends \IPS\Patterns\ActiveRecord
 			$items[ $row['promote_id'] ] = static::constructFromData( $row );
 		}
 		
+		static::$internalStream[ $_key ] = $items;
 		return $items;
 	}