public decimal CalculateTax(string countryCode, int?regionId, int?taxClassId, decimal price) { TaxZone taxZone = taxZoneService.Find(countryCode, regionId); if (taxZone == null) { return(0m); } return(taxRateService.CalculateTax(taxZone.Id, taxClassId, price)); }
public ActionResult Checkout(ShoppingCartCheckoutViewModel model) { if (!ModelState.IsValid) { return(JsonValidationError()); } // Get cart contents ShoppingCart cart = GetOrCreateCart(); if (!cart.ShoppingCartItems.Any()) { return(JsonError("Your shopping cart is empty!")); } // Check quantity foreach (ShoppingCartItem cartItem in cart.ShoppingCartItems) { Product product = db.Products.Find(cartItem.ProductId); int? qty = null; if (cartItem.ProductSkuId.HasValue && cartItem.ProductSku.Quantity.HasValue) { qty = cartItem.ProductSku.Quantity.Value; } if (qty == null && product.Quantity.HasValue) { qty = product.Quantity.Value; } if (qty.HasValue && qty < cartItem.Quantity) { return(JsonError(string.Format("The requested quantity for \"{0}\" is not available", product.Name))); } } // Get current user (or create a new one) User user = null; if (User.Identity.IsAuthenticated) { user = customerService.Find(currentUser.User.Id); } if (user == null) { var userModel = new CustomerViewModel { FirstName = model.BillingAddress.FirstName, LastName = model.BillingAddress.LastName, Company = model.BillingAddress.Company, PhoneNumber = model.BillingAddress.Phone, Email = model.Email }; try { user = customerService.AddOrUpdate(userModel); } catch (ArgumentException err) { return(JsonError(err.Message)); } customerService.LoginUser(HttpContext, user); } // Get addresses var billingAddress = Mapper.Map <Address>(model.BillingAddress); billingAddress.Type = AddressType.Billing; var shippingAddress = Mapper.Map <Address>(model.SameShippingAddress ? model.BillingAddress : model.ShippingAddress); shippingAddress.Type = AddressType.Shipping; var defaultBillingAddress = customerService.GetAddress(user.Id, AddressType.Billing); if (defaultBillingAddress == null) { // Add default billing address defaultBillingAddress = Mapper.Map <Address>(model.BillingAddress); defaultBillingAddress.Type = AddressType.Billing; defaultBillingAddress.IsPrimary = true; user.Addresses.Add(defaultBillingAddress); } var defaultShippingAddress = customerService.GetAddress(user.Id, AddressType.Shipping); if (defaultShippingAddress == null) { // Add default shipping address defaultShippingAddress = Mapper.Map <Address>(model.SameShippingAddress ? model.BillingAddress : model.ShippingAddress); defaultShippingAddress.Type = AddressType.Shipping; defaultShippingAddress.IsPrimary = true; user.Addresses.Add(defaultShippingAddress); } db.SaveChanges(); // Create order var order = new Order { UserId = user.Id, BillingAddress = billingAddress, ShippingAddress = shippingAddress, DatePlaced = DateTime.Now, DateUpdated = DateTime.Now, IPAddress = Request.UserHostAddress, UserComments = model.UserComments, Status = OrderStatus.AwaitingPayment }; db.Orders.Add(order); TaxZone taxZone = taxZoneService.Find(billingAddress.CountryCode, billingAddress.RegionId); foreach (ShoppingCartItem cartItem in cart.ShoppingCartItems) { Product product = db.Products.Find(cartItem.ProductId); ProductSku productSku = cartItem.ProductSku; if (productSku != null && productSku.Quantity.HasValue) { productSkuService.RemoveQuantity(productSku.Id, cartItem.Quantity); } else if (product.Quantity.HasValue) { productService.RemoveQuantity(product.Id, cartItem.Quantity); } decimal price = product.SalePrice ?? product.Price; if (cartItem.ProductSkuId.HasValue && cartItem.ProductSku.Price.HasValue) { price = cartItem.ProductSku.Price.Value; } var cartItemOptions = JsonConvert.DeserializeObject <ShoppingCartItemOptionViewModel[]>(cartItem.Options); var orderItemOptions = Mapper.Map <OrderItemOption[]>(cartItemOptions); var orderItem = new OrderItem { Order = order, ProductId = product.Id, ProductSkuId = cartItem.ProductSkuId, Quantity = cartItem.Quantity, Options = JsonConvert.SerializeObject(orderItemOptions), ItemPrice = price }; db.OrderItems.Add(orderItem); order.Subtotal += cartItem.Quantity * price; if (taxZone != null) { order.TaxAmount += taxRateService.CalculateTax(taxZone.Id, product.TaxClassId, price * cartItem.Quantity); } } ShippingMethod shippingMethod = db.ShippingMethods.Find(model.ShippingMethodId); order.ShippingAmount = shippingService.CalculateShipping(shippingMethod, cart.ShoppingCartItems.Sum(i => i.Quantity), cart.ShoppingCartItems.Sum(i => i.Quantity * i.Product.Weight), order.Subtotal, shippingAddress).GetValueOrDefault(); order.Total = order.Subtotal + order.ShippingAmount; if (!settings.Get <bool>(SettingField.TaxIncludedInPrices)) { order.Total += order.TaxAmount; } db.SaveChanges(); return(JsonSuccess(new { orderId = order.Id, paymentMethodId = model.PaymentMethodId })); }