public JsonResult PostSubtraction([FromBody] SubtractionOperands subtractionOperands)
{
SubtractionResult result = new SubtractionResult();
string trackingId = Request.Headers[MyStaticData.HEADER_TRACKING_ID];
result = subtractionService.Operate(subtractionOperands);
if (trackingId != string.Empty)
{
Operation operation = new Operation("Sub", string.Join(" - ", subtractionOperands.Minuend, subtractionOperands.Subtrahend) + " = " + result.Difference, DateTime.Now);
User user = new User(new TrackingId(trackingId), operation);
operationService.SaveOperations(user);
}
return(Json(result));
}
