1 files changed, 21 insertions, 0 deletions
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index 3decc1461..57987107c 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -730,6 +730,27 @@
 				return delete_data("DELETE from {$CONFIG->dbprefix}metadata where entity_guid={$entity_guid}");
 		}
 		return false;
+	}
+	
+	/**
+	 * Clear all annotations belonging to a given owner_guid
+	 *
+	 * @param int $owner_guid The owner
+	 */
+	function clear_metadata_by_owner($owner_guid)
+	{
+		$owner_guid = (int)$owner_guid;
+		
+		$metas = get_data("SELECT id from {$CONFIG->dbprefix}metadata WHERE owner_guid=$owner_guid");
+		$deleted = 0;
+		
+		foreach ($metas as $id)
+		{
+			if (delete_metadata($id)) // Is this the best way?
+				$deleted++;
+		}
+		
+		return $deleted;
 	}
 	
 	/**