public ActionResult PreviewAndPay(PreviewAndPayViewModel model)
{
// Gets the current shopping cart
ShoppingCartInfo cart = shoppingService.GetCurrentShoppingCart();
// Validates the shopping cart
var validationErrors = ShoppingCartInfoProvider.ValidateShoppingCart(cart);
// Gets the selected payment method, assigns it to the shopping cart, and evaluates the cart
shoppingService.SetPaymentOption(model.PaymentMethod.PaymentMethodID);
// If the validation was not successful, displays the preview step again
if (validationErrors.Any() || !IsPaymentMethodValid(model.PaymentMethod.PaymentMethodID))
{
// Prepares a view model from the order review step
PreviewAndPayViewModel viewModel = PreparePreviewViewModel();
// Displays the order review step again
return(View("PreviewAndPay", viewModel));
}
// Creates an order from the current shopping cart
// If the order was created successfully, empties the cart
OrderInfo order = shoppingService.CreateOrder();
// Redirects to the payment gateway
return(RedirectToAction("Index", "Payment", new { orderID = order.OrderID }));
}
public ActionResult PreviewAndPay(PreviewAndPayViewModel model)
{
// Gets the current user's shopping cart
ShoppingCart cart = shoppingService.GetCurrentShoppingCart();
// Validates the shopping cart
ShoppingCartCheckResult checkResult = cart.ValidateContent();
// Gets the selected payment method and assigns it to the shopping cart
cart.PaymentMethod = paymentRepository.GetById(model.PaymentMethod.PaymentMethodID);
// Evaluates the shopping cart
cart.Evaluate();
// If the validation was not successful, displays the preview step again
if (checkResult.CheckFailed || !IsPaymentMethodValid(model.PaymentMethod.PaymentMethodID))
{
// Prepares a model from the preview step
PreviewAndPayViewModel viewModel = PreparePreviewViewModel();
// Displays the preview step again
return(View("PreviewAndPay", viewModel));
}
// Creates an order from the shopping cart
Order order = shoppingService.CreateOrder(cart);
// Deletes the shopping cart from the database
shoppingService.DeleteShoppingCart(cart);
// Redirects to the payment gateway
return(RedirectToAction("Index", "Payment", new { orderID = order.OrderID }));
}
//EndDocSection:PreparePayment
//DocSection:PreparePreview
/// <summary>
/// Display the preview checkout process step.
/// </summary>
public ActionResult PreviewAndPay()
{
// If the current shopping cart is empty, returns to the shopping cart action
if (shoppingService.GetCurrentShoppingCart().IsEmpty)
{
return(RedirectToAction("ShoppingCart"));
}
// Prepares a model from the preview step
PreviewAndPayViewModel model = PreparePreviewViewModel();
// Displays the preview step
return(View(model));
}
/// <summary>
/// Prepares a view model of the preview checkout process step including the shopping cart,
/// the customer details, and the payment method.
/// </summary>
/// <returns>View model with information about the future order.</returns>
private PreviewAndPayViewModel PreparePreviewViewModel()
{
// Gets the current user's shopping cart
ShoppingCartInfo cart = shoppingService.GetCurrentShoppingCart();
// Prepares the customer details
DeliveryDetailsViewModel deliveryDetailsModel = new DeliveryDetailsViewModel
{
Customer = new CustomerViewModel(shoppingService.GetCurrentCustomer()),
BillingAddress = new BillingAddressViewModel(shoppingService.GetBillingAddress(), null, null),
ShippingOption = new ShippingOptionViewModel()
{
ShippingOptionID = cart.ShippingOption.ShippingOptionID,
ShippingOptionDisplayName = ShippingOptionInfoProvider.GetShippingOptionInfo(cart.ShippingOption.ShippingOptionID).ShippingOptionDisplayName
}
};
// Prepares the payment method
PaymentMethodViewModel paymentViewModel = new PaymentMethodViewModel
{
PaymentMethods = new SelectList(GetApplicablePaymentMethods(cart), "PaymentOptionID", "PaymentOptionDisplayName")
};
// Gets the selected payment method
PaymentOptionInfo paymentMethod = cart.PaymentOption;
if (paymentMethod != null)
{
paymentViewModel.PaymentMethodID = paymentMethod.PaymentOptionID;
}
// Prepares a model from the preview step
PreviewAndPayViewModel model = new PreviewAndPayViewModel
{
DeliveryDetails = deliveryDetailsModel,
Cart = new ShoppingCartViewModel(cart),
PaymentMethod = paymentViewModel
};
return(model);
}
//EndDocSection:PreparePayment
//DocSection:PreparePreview
/// <summary>
/// Prepares a view model of the preview checkout process step including the shopping cart,
/// the customer details, and the payment method.
/// </summary>
/// <returns>View model with information about the future order.</returns>
private PreviewAndPayViewModel PreparePreviewViewModel()
{
// Gets the current user's shopping cart
ShoppingCart cart = shoppingService.GetCurrentShoppingCart();
// Prepares the customer details
DeliveryDetailsViewModel deliveryDetailsModel = new DeliveryDetailsViewModel
{
Customer = new CustomerModel(cart.Customer),
BillingAddress = new BillingAddressModel(cart.BillingAddress, null, null)
};
// Prepares the payment method
PaymentMethodViewModel paymentViewModel = new PaymentMethodViewModel
{
PaymentMethods = new SelectList(GetApplicablePaymentMethods(cart), "PaymentOptionID", "PaymentOptionDisplayName")
};
// Gets the selected payment method if any
PaymentOptionInfo paymentMethod = cart.PaymentMethod;
if (paymentMethod != null)
{
paymentViewModel.PaymentMethodID = paymentMethod.PaymentOptionID;
}
// Prepares a model from the preview step
PreviewAndPayViewModel model = new PreviewAndPayViewModel
{
DeliveryDetails = deliveryDetailsModel,
Cart = cart,
PaymentMethod = paymentViewModel
};
return(model);
}