public async Task <ActionResult> Get([FromRoute] GetPaymentRequestModel requestModel)
{
if (!EnsureMerchantValidity(out var merchant))
{
return(BadRequest(new ErrorResponseModel("missing or invalid merchant header")));
}
_logger.LogInformation(requestModel.PaymentId.ToString());
var payment = await _paymentRepository.GetByPaymentIdAsync(requestModel.PaymentId);
if (payment == null)
{
return(NotFound());
}
// Protect against access of payment data from other merchants
if (payment.MerchantId != merchant.MerchantId)
{
return(BadRequest(new ErrorResponseModel("Merchant mismatch")));
}
var responseModel = new GetPaymentResponseModel
{
Payment = _modelMapper.MapPayment(payment)
};
return(Ok(responseModel));
}
public async Task <GetPaymentResponseModel> GetPaymentRequestAsync(GetPaymentRequestModel requestModel)
{
var url = string.Format("{0}", requestModel.PaymentId);
var responseRaw = await _httpClient.GetAsync(url).ConfigureAwait(false);
// Possible improvement: Optimize resiliency with retry behavior
if (!responseRaw.IsSuccessStatusCode)
{
var errorMessage = await TryGetErrorMessage(responseRaw).ConfigureAwait(false);
throw new PaymentGatewayRequestException(responseRaw.StatusCode, responseRaw.ReasonPhrase, errorMessage);
}
var responseJson = await responseRaw.Content.ReadAsStringAsync().ConfigureAwait(false);
var response = JsonSerializer.Deserialize <GetPaymentResponseModel>(responseJson);
return(response);
}
