public async Task <string> GetPaymentUrlAsync(CoursePayInputModel inputModel)
{
OrderRequest order = new()
{
CheckoutPaymentIntent = "CAPTURE",
ApplicationContext = new ApplicationContext()
{
ReturnUrl = inputModel.ReturnUrl,
CancelUrl = inputModel.CancelUrl,
BrandName = options.CurrentValue.BrandName,
ShippingPreference = "NO_SHIPPING"
},
PurchaseUnits = new List <PurchaseUnitRequest>()
{
new PurchaseUnitRequest()
{
CustomId = $"{inputModel.CourseId}/{inputModel.UserId}",
Description = inputModel.Description,
AmountWithBreakdown = new AmountWithBreakdown()
{
CurrencyCode = inputModel.Price.Currency.ToString(),
Value = inputModel.Price.Amount.ToString(CultureInfo.InvariantCulture) // 14.50
}
}
}
};
PayPalEnvironment env = GetPayPalEnvironment(options.CurrentValue);
PayPalHttpClient client = new PayPalHttpClient(env);
OrdersCreateRequest request = new();
request.RequestBody(order);
request.Prefer("return=representation");
HttpResponse response = await client.Execute(request);
Order result = response.Result <Order>();
LinkDescription link = result.Links.Single(link => link.Rel == "approve");
return(link.Href);
}
public async Task <string> GetPaymentUrlAsync(CoursePayInputModel inputModel)
{
SessionCreateOptions sessionCreateOptions = new()
{
ClientReferenceId = $"{inputModel.CourseId}/{inputModel.UserId}",
LineItems = new List <SessionLineItemOptions>
{
new SessionLineItemOptions()
{
Name = inputModel.Description,
Amount = Convert.ToInt64(inputModel.Price.Amount * 100),
Currency = inputModel.Price.Currency.ToString(),
Quantity = 1
}
},
Mode = "payment",
PaymentIntentData = new SessionPaymentIntentDataOptions
{
CaptureMethod = "manual"
},
PaymentMethodTypes = new List <string>
{
"card"
},
SuccessUrl = inputModel.ReturnUrl + "?token={CHECKOUT_SESSION_ID}",
CancelUrl = inputModel.CancelUrl
};
RequestOptions requestOptions = new()
{
ApiKey = options.CurrentValue.PrivateKey
};
SessionService sessionService = new();
Session session = await sessionService.CreateAsync(sessionCreateOptions, requestOptions);
return(session.Url);
}
public async Task <CourseSubscribeInputModel> CapturePaymentAsync(string token)
{
try
{
RequestOptions requestOptions = new()
{
ApiKey = options.CurrentValue.PrivateKey
};
SessionService sessionService = new();
Session session = await sessionService.GetAsync(token, requestOptions : requestOptions);
PaymentIntentService paymentIntentService = new();
PaymentIntent paymentIntent = await paymentIntentService.CaptureAsync(session.PaymentIntentId, requestOptions : requestOptions);
string[] customIdParts = session.ClientReferenceId.Split('/');
int courseId = int.Parse(customIdParts[0]);
string userId = customIdParts[1];
return(new CourseSubscribeInputModel
{
CourseId = courseId,
UserId = userId,
Paid = new(Enum.Parse <Currency>(paymentIntent.Currency, ignoreCase: true), paymentIntent.Amount / 100m),
TransactionId = paymentIntent.Id,
PaymentDate = paymentIntent.Created,
PaymentType = "Stripe"
});
}
catch (Exception exc)
{
throw new PaymentGatewayException(exc);
}
}
}
