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 }));
}