public async Task <IActionResult> CheckoutPayment(CheckoutVM model)
{
//register the user and sign them in if they are not already signed in
ApplicationUser user = await CurrentUser();
if (user == null)
{
var userresult = await CreateUser(model);
if (userresult.HasErrors)
{
CheckoutErrorVM errorVM = new CheckoutErrorVM()
{
ErrorMessage = userresult.ErrorMessage
};
return(RedirectToAction("CheckoutError", errorVM));
}
else
{
//we now have a user
user = userresult.User;
}
}
//hook up with the stripe service and get the payment intent
//add this to the model and pass it on
model.Cart = _cart;
PaymentIntentResult result = await _stripeService.CreatePaymentIntent((model.Cart.Total * 100), model.Email);
//add the user to the courses but with the PaymentSucceeded set to false for now
//this is set when the webhook handles the payment success event
var useraddedresult = AddUserToCourses(user, result.PaymentIntentId);
if (!useraddedresult.Succeeded)
{
//we've been able to create the user but unable to add them to any courses
//this is highly unlikely but in this event we don't want them to go through
//to the payment form where the payment will be asked to be collected
//from stripe. So just send them to an error page
CheckoutErrorVM errorVM = new CheckoutErrorVM()
{
ErrorMessage = "There was a problem adding the user to the course(s). This may be a system problem. Please try again later."
};
return(RedirectToAction("CheckoutError", errorVM));
}
model.Cart.ClientSecret = result.ClientSecret;
model.PublishableKey = result.PublishableKey;
return(View(model));
}
public IActionResult CheckoutError(CheckoutErrorVM model)
{
return(View(model));
}