public async Task <StatusCodeResult> ProcessPaymentAsync(PaymentDTM paymentDTM)
{
var result = new OperationResult <Payment>();
switch (paymentDTM.Amount)
{
case > 500:
result = await _premiumPaymentService.PremiumPaymentAsync(paymentDTM);
break;
case > 21:
result = await _expensivePaymentGateway.ExpensivePaymentAsync(paymentDTM);
break;
default:
result = await _cheapPaymentGateway.CheapPaymentAsync(paymentDTM);
break;
}
return(new StatusCodeResult((int)result.StatusCode));
}