public CurrencyExchangeRequest(CurrencyExchangeModel currencyExchangeRequest)
{
// Refactor option, use a automapper to map the model to this class
// one class depends on another
Amount = currencyExchangeRequest.Amount;
SourceCurrency = currencyExchangeRequest.SourceCurrency;
TargetCurrency = currencyExchangeRequest.TargetCurrency;
}
public async Task <IActionResult> ConvertCurrency([FromBody] CurrencyExchangeModel currencyExchangeRequest)
{
var trackingId = Guid.NewGuid().ToString();
//ToDo Refactor: use fluentvalidation validate request and fail fast if an issue
// & write tests for these cases
if (currencyExchangeRequest == null)
{
_logger.LogError(_logFormatter.FormatMessage(LogType.Error, $"Request body is null {trackingId}"));
return(Problem("Request Body is null or empty ", statusCode: (int)HttpStatusCode.BadRequest));
}
if (currencyExchangeRequest.Amount <= 0)
{
_logger.LogError(_logFormatter.FormatMessage(LogType.Error, $"Amount should be greater than zero {trackingId}"));
return(Problem("Amount should be greater than zero", statusCode: (int)HttpStatusCode.BadRequest));
}
if (currencyExchangeRequest.TargetCurrency.Length != 3 || currencyExchangeRequest.SourceCurrency.Length != 3)
{
_logger.LogError(_logFormatter.FormatMessage(LogType.Error, $"Source and target currency should be 3 characters {trackingId}"));
return(Problem("Source and target currency should be 3 characters", statusCode: (int)HttpStatusCode.BadRequest));
}
if (!CurrencyStringService.IsAllUpper(currencyExchangeRequest.TargetCurrency) &&
CurrencyStringService.IsAllUpper(currencyExchangeRequest.SourceCurrency))
{
_logger.LogError(_logFormatter.FormatMessage(LogType.Error, $"Source and target currency should be upper case {trackingId}"));
return(Problem("Source and target currency should be upper case", statusCode: (int)HttpStatusCode.BadRequest));
}
try
{
var result = await _mediator
.Send(new CurrencyExchangeRequest(currencyExchangeRequest));
return(Ok(result));
}
catch (Exception e)
{
_logger.LogError(_logFormatter.FormatMessage(LogType.Error, "API request failed with Exception"), e);
Console.WriteLine(_logFormatter.FormatMessage(LogType.Error, "API request failed with Exception"), e);
return(new StatusCodeResult(StatusCodes.Status500InternalServerError));
}
}