private async Task SaveAsync()
{
if (BillingAddressViewModel.ValidateForm())
{
string errorMessage = string.Empty;
try
{
await BillingAddressViewModel.ProcessFormAsync();
_navigationService.GoBack();
}
catch (ModelValidationException mvex)
{
DisplayValidationErrors(mvex.ValidationResult);
}
catch (Exception ex)
{
errorMessage = string.Format(CultureInfo.CurrentCulture, _resourceLoader.GetString("GeneralServiceErrorMessage"), Environment.NewLine, ex.Message);
}
if (!string.IsNullOrWhiteSpace(errorMessage))
{
await _alertMessageService.ShowAsync(errorMessage, _resourceLoader.GetString("ErrorServiceUnreachable"));
}
}
}
private async Task ProcessFormAsync()
{
if (UseSameAddressAsShipping)
{
BillingAddressViewModel.Address = new Address
{
Id = Guid.NewGuid().ToString(),
AddressType = AddressType.Billing,
FirstName = ShippingAddressViewModel.Address.FirstName,
MiddleInitial = ShippingAddressViewModel.Address.MiddleInitial,
LastName = ShippingAddressViewModel.Address.LastName,
StreetAddress = ShippingAddressViewModel.Address.StreetAddress,
OptionalAddress = ShippingAddressViewModel.Address.OptionalAddress,
City = ShippingAddressViewModel.Address.City,
State = ShippingAddressViewModel.Address.State,
ZipCode = ShippingAddressViewModel.Address.ZipCode,
Phone = ShippingAddressViewModel.Address.Phone
};
}
try
{
await ShippingAddressViewModel.ProcessFormAsync();
await BillingAddressViewModel.ProcessFormAsync();
await PaymentMethodViewModel.ProcessFormAsync();
}
catch (ModelValidationException)
{
// Handle validation exceptions when the order is created.
}
var user = _accountService.SignedInUser;
var shoppingCart = await _shoppingCartRepository.GetShoppingCartAsync();
try
{
// Create an order with the values entered in the form
await _orderRepository.CreateBasicOrderAsync(user.UserName, shoppingCart, ShippingAddressViewModel.Address, BillingAddressViewModel.Address, PaymentMethodViewModel.PaymentMethod);
_navigationService.Navigate("CheckoutSummary", null);
}
catch (ModelValidationException mvex)
{
DisplayOrderErrorMessages(mvex.ValidationResult);
if (_shippingAddressViewModel.Address.Errors.Errors.Count > 0)
{
IsShippingAddressInvalid = true;
}
if (_billingAddressViewModel.Address.Errors.Errors.Count > 0 && !UseSameAddressAsShipping)
{
IsBillingAddressInvalid = true;
}
if (_paymentMethodViewModel.PaymentMethod.Errors.Errors.Count > 0)
{
IsPaymentMethodInvalid = true;
}
}
}