xpressengine / xe-core

			return new BaseObject(-1, 'msg_invalid_request');

		}

		if(!$obj->comment_srl)

		{

			$obj->comment_srl = getNextSequence();

		}

		elseif(!$is_admin && !$manual_inserted && !checkUserSequence($obj->comment_srl)) 

		{

			return new BaseObject(-1, 'msg_not_permitted');

		}

		// determine the order

		$obj->list_order = getNextSequence() * -1;

		$output = ModuleHandler::triggerCall('document.insertDocument', 'before', $obj);

		if(!$output->toBool()) return $output;

		// Register it if no given document_srl exists

		if(!$obj->document_srl) $obj->document_srl = getNextSequence();

		elseif(!$manual_inserted && !$isRestore && !checkUserSequence($obj->document_srl)) return new BaseObject(-1, 'msg_not_permitted');

		$oDocumentModel = getModel('document');

		// Set to 0 if the category_srl doesn't exist