public ActionResult Manual()
{
if (this.Request.Method.Equals("POST", StringComparison.OrdinalIgnoreCase))
{
String input1 = this.Request.Form["Number1"];
String input2 = this.Request.Form["Number2"];
bool error = false;
int?number1 = null;
int?number2 = null;
if (String.IsNullOrEmpty(input1))
{
this.ViewBag.Number1Null = "First number is NULL";
error = true;
}
else
{
number1 = Convert.ToInt32(input1);
}
if (String.IsNullOrEmpty(input2))
{
this.ViewBag.Number2Null = "Second number is NULL";
error = true;
}
else
{
number2 = Convert.ToInt32(input2);
}
String operation = this.Request.Form["Operation"];
if (number2 == 0 && operation == "/")
{
this.ViewBag.DividedByZero = "Division by zero";
error = true;
}
this.ViewBag.Number1 = number1;
this.ViewBag.Number2 = number2;
this.ViewBag.Operation = operation;
if (error)
{
return(this.View());
}
int result = 0;
switch (operation)
{
case "+":
result = calculateService.Summ(number1.Value, number2.Value); break;
case "-":
result = calculateService.Subtraction(number1.Value, number2.Value); break;
case "*":
result = calculateService.Multiplication(number1.Value, number2.Value); break;
case "/":
result = calculateService.Division(number1.Value, number2.Value); break;
}
var resultModel = new CalculateViewModel
{
ResultNumber = result
};
return(this.View("Manual", resultModel));
}
return(this.View());
}
