public bool ClearDelivery(ClearDeliveryModel delivery)
        {
            if (delivery.DeliveryNumber > 0)
            {
                bool success = false;

                try
                {
                    success = _repo.ClearDelivery(new DeliveryOrderQuery {
                        DocNum = delivery.DeliveryNumber, IsInternal = delivery.IsInternal, Username = _identity.Name
                    });
                }
                catch (Exception)
                {
                    success = false;
                }

                return(success);
            }

            return(false);
        }