public IActionResult CalculateInterval(string formula, double?from, double?to, int?n)
{
if (formula == null || from == null || to == null || n == null)
{
var bad2 = new {
status = "error",
result = "wrong input"
};
return(BadRequest(bad2));
}
RPN rpn = new RPN(formula, (double)from, (double)to, (int)n);
if (rpn.CheckInput())
{
var good = new {
status = "ok",
result = rpn.CalculateValueOfGivenInterval()
};
return(Ok(good));
}
var bad = new {
status = "error",
result = rpn.Message()
};
return(BadRequest(bad));
}