public AddToCartResult AddToCart(ICart cart, string code, string warehouseCode, decimal quantity) { var result = new AddToCartResult(); var contentLink = _referenceConverter.GetContentLink(code); var entryContent = _contentLoader.Get <EntryContentBase>(contentLink); if (entryContent is BundleContent) { foreach (var relation in _relationRepository.GetChildren <BundleEntry>(contentLink)) { var entry = _contentLoader.Get <EntryContentBase>(relation.Child); var recursiveResult = AddToCart(cart, entry.Code, warehouseCode, relation.Quantity ?? 1); if (recursiveResult.EntriesAddedToCart) { result.EntriesAddedToCart = true; } foreach (var message in recursiveResult.ValidationMessages) { result.ValidationMessages.Add(message); } } return(result); } ILineItem lineItem = null; if (!string.IsNullOrEmpty(warehouseCode)) { IShipment shipment = null; if (cart.GetFirstForm().Shipments.Count == 1 && string.IsNullOrEmpty(cart.GetFirstForm().Shipments.First().WarehouseCode)) { shipment = cart.GetFirstForm().Shipments.First(); shipment.WarehouseCode = warehouseCode; } else { shipment = cart.GetFirstForm().Shipments.FirstOrDefault(s => s.WarehouseCode.Equals(warehouseCode, StringComparison.CurrentCultureIgnoreCase)); } if (shipment == null) { shipment = cart.CreateShipment(_orderGroupFactory); shipment.WarehouseCode = warehouseCode; cart.AddShipment(shipment); } lineItem = shipment.LineItems.FirstOrDefault(x => x.Code == code && !x.IsGift); if (lineItem == null) { //this is just like AddNewLineItem but doesn't add there - adds to shipment instead lineItem = cart.CreateLineItem(code, _orderGroupFactory); lineItem.Quantity = quantity; lineItem.DisplayName = entryContent.DisplayName; //cart.AddLineItem(newLineItem, _orderGroupFactory); var price = _pricingService.GetPrice(code); if (price != null) { lineItem.PlacedPrice = price.UnitPrice.Amount; } cart.AddLineItem(shipment, lineItem); } else { cart.UpdateLineItemQuantity(shipment, lineItem, lineItem.Quantity + quantity); } } else { lineItem = cart.GetAllLineItems().FirstOrDefault(x => x.Code == code && !x.IsGift); if (lineItem == null) { lineItem = AddNewLineItem(cart, code, quantity, entryContent.DisplayName); } else { var shipment = cart.GetFirstShipment(); cart.UpdateLineItemQuantity(shipment, lineItem, lineItem.Quantity + quantity); } } var validationIssues = ValidateCart(cart); AddValidationMessagesToResult(result, lineItem, validationIssues); return(result); }