public List <ShipmentDTO> GetBySelectedOrderIds(string orderIds)
        {
            var shipmentDTOs = new List <ShipmentDTO>();
            var shipmentDTO  = new ShipmentDTO {
                Orders = new List <ShipmentOrderDTO>()
            };
            var shipments         = _shipmentRepository.GetBySelectedOrderIds(orderIds);
            var currentAddress    = "";
            var currentCategoryId = 0;

            foreach (var shipment in shipments)
            {
                var currentOrder = new ShipmentOrderDTO
                {
                    OrderId            = Guid.NewGuid(),
                    Address            = shipment.Address,
                    City               = shipment.City,
                    State              = shipment.State,
                    Country            = shipment.Country,
                    FirstName          = shipment.FirstName,
                    LastName           = shipment.LastName,
                    ProductId          = shipment.ProductId,
                    ProductName        = shipment.ProductName,
                    ProductDescription = shipment.ProductDescription,
                    SKU          = shipment.ProductSKU,
                    Quantity     = shipment.Quantity,
                    Price        = string.Format("{0:0.00#}", shipment.Price),
                    Total        = string.Format("{0:0.00#}", shipment.Total),
                    CategoryId   = shipment.CategoryId,
                    CategoryName = shipment.CategoryName
                };

                if (shipment.Address != currentAddress || shipment.CategoryId != currentCategoryId)
                {
                    if (shipment != shipments.First())
                    {
                        shipmentDTOs.Add(shipmentDTO);
                        shipmentDTO = new ShipmentDTO {
                            Orders = new List <ShipmentOrderDTO>()
                        };
                    }
                    shipmentDTO.Orders.Add(currentOrder);
                    currentAddress    = shipment.Address;
                    currentCategoryId = shipment.CategoryId;
                }
                else
                {
                    shipmentDTO.Orders.Add(currentOrder);
                }

                if (shipment == shipments.Last())
                {
                    shipmentDTOs.Add(shipmentDTO);
                }
            }

            return(shipmentDTOs);
        }