private async Task <int> ProcessPaymentInternal(PaymentRequest paymentRequest)
{
if (paymentRequest.Amount <= 20)
{
return(await _cheapPaymentGateway.Process(paymentRequest));
}
if (paymentRequest.Amount >= 21 && paymentRequest.Amount <= 500)
{
if (_expensivePaymentGateway.IsAvailable())
{
return(await _expensivePaymentGateway.Process(paymentRequest));
}
return(await _cheapPaymentGateway.Process(paymentRequest));
}
var retryPolicy = Policy
.Handle <Exception>()
.RetryAsync(RETRY_COUNT);
return(await retryPolicy.ExecuteAsync(async() =>
{
return await _expensivePaymentGateway.Process(paymentRequest);
}));
}
public async Task <Response <Payment> > ProcessPayment(Payment payment)
{
var paymentDetails = new Payment();
if (payment.Amount < 20)
{
await _cheapPaymentGateway.Process(payment);
paymentDetails = await _cheapPaymentGateway.Update(payment.Id);
var response = new Response <Payment>
{
Data = paymentDetails,
Status = paymentDetails.PaymentState.State
};
if (response.Status == PaymentStatus.processed.ToString())
{
return(response);
}
}
else if (payment.Amount > 21 && payment.Amount <= 500)
{
if (_expensivePaymentGateway is null)
{
await _cheapPaymentGateway.Process(payment);
paymentDetails = await _cheapPaymentGateway.Update(payment.Id);
var response = new Response <Payment>
{
Data = paymentDetails,
Status = paymentDetails.PaymentState.State
};
if (response.Status == PaymentStatus.processed.ToString())
{
return(response);
}
}
else
{
await _expensivePaymentGateway.Process(payment);
paymentDetails = await _expensivePaymentGateway.Update(payment.Id);
var response = new Response <Payment>
{
Data = paymentDetails,
Status = paymentDetails.PaymentState.State
};
if (response.Status == PaymentStatus.processed.ToString())
{
return(response);
}
}
}
else if (payment.Amount > 500)
{
var i = 0;
while (i < 3)
{
await _premiumPaymentGateway.Process(payment);
paymentDetails = await _premiumPaymentGateway.Update(payment.Id);
var response = new Response <Payment>
{
Data = paymentDetails,
Status = paymentDetails.PaymentState.State
};
if (response.Status == PaymentStatus.processed.ToString())
{
return(response);
}
i++;
}
}
return(new Response <Payment>
{
Data = paymentDetails,
Status = PaymentStatus.failed.ToString()
});
}