public async Task <ActionResult <StripeResult> > PostError([FromBody] StripeCharge request)
{
StripeResult result = new StripeResult();
Order order = _context.orders.Find(request.CartId);
try
{
order.IdempotencyToken = Guid.NewGuid().ToString();
await _context.SaveChangesAsync();
result.Success = true;
}
catch (Exception exception)
{
result.Success = false;
result.Error = exception.Message;
}
return(result);
}
public async Task <ActionResult <StripeResult> > Post([FromBody] StripeCharge request)
{
StripeConfiguration.ApiKey = StripeApiKey;
PaymentIntentService service = new PaymentIntentService();
PaymentIntent paymentIntent;
StripeResult result = new StripeResult();
Order order = _context.orders.Find(request.CartId);
// First pass
if (request.PaymentMethodId != null)
{
PaymentIntentCreateOptions options = new PaymentIntentCreateOptions
{
PaymentMethod = request.PaymentMethodId,
Amount = request.TotalCost,
Currency = "nok",
Description = "Purchase from VippsCase.",
ConfirmationMethod = "manual",
Confirm = true,
};
try
{
paymentIntent = service.Create(options, new RequestOptions
{
IdempotencyKey = order.IdempotencyToken
});
// Check the user making the purchase
User user;
if (request.UserId == -1)
{
// Adding a new customer if one was not specified in the request
user = new User
{
Name = request.CustomerDetails.FullName,
AddressLineOne = request.CustomerDetails.AddressLineOne,
AddressLineTwo = request.CustomerDetails.AddressLineTwo,
County = request.CustomerDetails.County,
PostalCode = request.CustomerDetails.PostalCode,
City = request.CustomerDetails.City,
Country = request.CustomerDetails.Country,
PhoneNumber = request.CustomerDetails.PhoneNumber,
Email = request.CustomerDetails.Email
};
// Storing our customer details.
_context.users.Add(user);
}
else
{
// Find the user matching the userId and add them to the order.
user = _context.users.Find(request.UserId);
}
// Setting the user and charge to the user we just made and the charge token.
order.StripeChargeToken = paymentIntent.Id;
order.UserId = user.UserId;
// Saving all of our changes.
await _context.SaveChangesAsync();
}
catch (StripeException exception)
{
// Idempotency special handling
if (exception.StripeError.ErrorType == "idempotency_error" ||
exception.StripeError.DeclineCode == "duplicate_transaction" ||
exception.StripeError.Code == "duplicate_transaction")
{
result.Success = true;
}
else
{
// When an order fails due to an issue with stripe,
// we'll assign the order a new idempotency key to prevent the "idempotency_error" from stripe.
order.IdempotencyToken = Guid.NewGuid().ToString();
await _context.SaveChangesAsync();
// Return the error message to the user.
result.Success = false;
result.Error = _stripeErrorHandler.ErrorHandler(exception);
}
return(result);
}
}
// Second pass
else
{
PaymentIntentConfirmOptions options = new PaymentIntentConfirmOptions {
};
try
{
paymentIntent = service.Confirm(request.PaymentIntentId, options);
}
catch (StripeException exception)
{
// When an order fails due to an issue with stripe,
// we'll assign the order a new idempotency key to prevent the "idempotency_error" from stripe.
order.IdempotencyToken = Guid.NewGuid().ToString();
await _context.SaveChangesAsync();
// Return the error message to the user.
result.Success = false;
result.Error = _stripeErrorHandler.ErrorHandler(exception);
return(result);
}
}
switch (paymentIntent.Status)
{
case "requires_action" when paymentIntent.NextAction.Type == "use_stripe_sdk":
// Tell the client to handle the action
result.Data = new
{
requires_action = true,
payment_intent_client_secret = paymentIntent.ClientSecret
};
result.Success = false;
break;
case "succeeded":
// The payment didn't need any additional actions and completed!
// Handle post-payment fulfillment
result.Success = true;
break;
default:
// Invalid status
// TODO: Change this error message to be user-friendly
result.Error = "Invalid PaymentIntent status";
result.Success = false;
break;
}
return(result);
}