public async Task <ActionResult <double> > Get([FromQuery] string expression,
[FromServices] HistoryService historyService, [FromServices] CalculatorService calculator)
{
string history = string.Empty;
try
{
double result = calculator.Calculate(expression);
history = $"{expression} = {result}";
return(Ok(result));
}
catch (DivideByZeroException ex)
{
history = ex.Message;
return(BadRequest(ex.Message));
}
catch (ArgumentException ex)
{
history = ex.Message;
return(BadRequest($"Incorrect input, please, try again\n{expression}\n{ex.Message}"));
}
catch (Exception ex)
{
return(BadRequest($"Something went wrong, please, try again later\n{ex.Message}"));
}
finally
{
await historyService.Append(history);
}
}
