public ActionResult Sqrt([FromBody] SqrtModel number)
{
try
{
// Verifies if the model is valid, if not, returns a bad request response.
// the verification is based on the attributes defined in the DTO.
if (!ModelState.IsValid)
{
MicroserviceException badRequestResponse = new MicroserviceException()
{
ErrorCode = "InternalError",
ErrorMessage = "Unable to process request:" + ModelState.Values,
ErrorStatus = 400
};
return(BadRequest(badRequestResponse));
}
else
{
// Finds the value of the header with the tracking id
StringValues trackingId;
Request.Headers.TryGetValue("X-Evi-Tracking-Id", out trackingId);
var response = _calculatorService.Sqrt(number, trackingId);
return(Ok(response));
}
}
// Catches and manages all of the server's errors and responds the client with a controlled object.
catch (Exception err)
{
MicroserviceException internalServerErrorResponse = new MicroserviceException()
{
ErrorCode = "InternalError",
ErrorMessage = "An unexpected error condition was triggered which made impossible to fulfill the request. Please try again or contact support" + err.InnerException,
ErrorStatus = 500
};
Log.Error($"Calculator::Exception:: {internalServerErrorResponse}");
return(StatusCode(500, internalServerErrorResponse));
}
}
/// <summary>
/// Implementation of square root method.
/// </summary>
/// <param name="sqrt"></param>
/// <param name="trackingId"></param>
/// <returns></returns>
public SqrtResponseModel Sqrt(SqrtModel sqrt, string trackingId)
{
//Finds square root of input number
double square = Math.Sqrt(sqrt.Number);
LogModel logModel = new LogModel()
{
Operation = "Sqrt",
Calculation = $"sqrt({sqrt.Number}) = {square}",
Date = DateTime.Now
};
//if there is a tracking id, save operation in journal.
if (!string.IsNullOrEmpty(trackingId))
{
Journal.Add(new KeyValuePair <string, LogModel>(trackingId, logModel));
}
// saves data in the log
Log.Information($"Calculator::Sqrt:: {logModel}");
return(new SqrtResponseModel()
{
Square = square
});
}
