CIMRestService::dialogUnread

static function dialogUnread($arParams, $n, CRestServer $server)
{
	$arParams = array_change_key_case($arParams, CASE_UPPER);

	$arParams['MESSAGE_ID'] = intval($arParams['MESSAGE_ID']);
	if ($arParams['MESSAGE_ID'] <= 0)
	{
		throw new BitrixRestRestException("First unread message id can't be empty", "MESSAGE_ID_ERROR", CRestServer::STATUS_WRONG_REQUEST);
	}

	if (!BitrixImCommon::isDialogId($arParams['DIALOG_ID']))
	{
		throw new BitrixRestRestException("Dialog ID can't be empty", "DIALOG_ID_EMPTY", CRestServer::STATUS_WRONG_REQUEST);
	}

	BitrixImDialog::unread($arParams['DIALOG_ID'], $arParams['MESSAGE_ID']);

	return true;
}