public async Task PaymentProcess()
{
bool IsPaymentSuccess = false;
if (paymentDTO.IsCheapPayment)
{
IsPaymentSuccess = paymentGateway.CheapPaymentService();
}
else if (paymentDTO.IsExpensivePayment)
{
IsPaymentSuccess = paymentGateway.ExpensivePaymentService(); // to check expensive payment service is available or not.
if (!IsPaymentSuccess)
{
IsPaymentSuccess = paymentGateway.CheapPaymentService();
}
}
else if (paymentDTO.IsPremiumPayment)
{
IsPaymentSuccess = Retry.Do(paymentGateway.PremiumPaymentService, TimeSpan.FromSeconds(1));
}
if (IsPaymentSuccess)
{
paymentDTO.PaymentState = "Processed";
}
else
{
paymentDTO.PaymentState = "Failed";
}
paymentDTO.IsSuccess = true;
}