public CheckResult Check(IUnitOfWork db, DTOMarketOrder order, IList <ListingOrderDTO> items, AddressValidationStatus addressValidationStatus) { if (order.Id == 0) { throw new ArgumentOutOfRangeException("order.Id", "Should be non zero"); } if (order.OrderStatus == OrderStatusEnumEx.Pending) { throw new ArgumentException("order.OrderStatus", "Not supported status Pending"); } if (ShippingUtils.IsLatvia(order.FinalShippingCountry)) { if ((order.ShippingZip ?? "").Contains("LV-")) { return(new CheckResult() { IsSuccess = true, AdditionalData = new[] { (order.ShippingZip ?? "").Replace("LV-", "LV") } }); } } return(new CheckResult() { IsSuccess = false }); }