public CheckoutResponse ProcessCheckout(CheckoutRequest checkoutRequest) { CheckoutResponse response = new CheckoutResponse(); var customer = _messageMapper.MapToCustomer(checkoutRequest.CustomerDto); var person = customer.Person; _personRepositery.SavePerson(person); var address = _messageMapper.MapTopAddress(checkoutRequest.addressDto); _addressRespository.SaveAddress(address); customer.PersonId = person.Id; customer.Person = person; _customerRepository.SaveCustomer(customer); var cart = _cartService.GetCart(); if (cart != null) { var cartItems = _cartItemRepository.FindCartItemsById(cart.Id); var cartTotal = _cartService.GetCartTotal(); decimal shippingCharge = 0; var orderTotal = cartTotal + shippingCharge; var order = new Order { OrderTotal = orderTotal, OrderItemTotal = cartTotal, ShippingCharge = shippingCharge, AddressId = address.Id, DeliveryAddresses = address, CustomerId = customer.Id, Customer = customer, OrderStatus = OrderStatus.Submitted }; _orderRepository.SaveOrder(order); foreach (var cartItem in cartItems) { var orderItem = new OrderItem { Quantity = cartItem.Quantity, Order = order, OrderId = order.Id, Product = cartItem.product, ProductId = cartItem.ProductId }; _orderItemRepository.SaveOrderItem(orderItem); } _cartRepository.DeleteCart(cart); response.StatusCode = System.Net.HttpStatusCode.Created; response.Messages.Add(item: "Order Created"); } else { response.StatusCode = System.Net.HttpStatusCode.NoContent; response.Messages.Add(item: "Order Emptiy"); } return(response); }