public ActionResult Calculate()
{
CheckConversion checkConversion = new CheckConversion();
ViewBag.UnitsOfMeasure = new SelectList(UnitsOfMeasure);
return(View(checkConversion));
}
public ActionResult Calculate(CheckConversion checkConversion)
{
double studentResponse = checkConversion.StudentResponse;
ViewBag.UnitsOfMeasure = new SelectList(UnitsOfMeasure);
CheckConversion check = new CheckConversion();
try
{
// TODO: Add update logic here
if (checkConversion.InputUnitOfMeasure == "Kelvin")
{
check = Kelvin(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "Celsius")
{
check = Celsius(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "Fahrenheit")
{
check = Fahrenheit(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "Rankine")
{
check = Rankine(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "liters")
{
check = Liters(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "tablespoons")
{
check = TableSpoons(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "cubic - inches")
{
check = CubicInches(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "cups")
{
check = Cups(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "cubic - feet")
{
check = CubicFeet(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "gallons")
{
check = Gallons(checkConversion);
}
return(View(check));
}
catch
{
return(View());
}
}
public CheckConversion Gallons(CheckConversion checkConversion)
{
if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "Kelvin" || checkConversion.TargetUnitOfMeasure == "Celsius" || checkConversion.TargetUnitOfMeasure == "Fahrenheit" || checkConversion.TargetUnitOfMeasure == "Rankine")
{
checkConversion.Output = "invalid";
return(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "gallons")
{
if (checkConversion.InputNumericalValue == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "liters")
{
double inputNumber = checkConversion.InputNumericalValue * 3.785;
inputNumber = Math.Round(inputNumber, 5);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 5);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "tablespoons")
{
double inputNumber = checkConversion.InputNumericalValue * 256;
inputNumber = Math.Round(inputNumber, 5);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 5);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "cubic-inches")
{
double inputNumber = checkConversion.InputNumericalValue * 231;
inputNumber = Math.Round(inputNumber, 5);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 5);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "cups")
{
double inputNumber = checkConversion.InputNumericalValue * 16;
inputNumber = Math.Round(inputNumber, 5);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 5);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "gallons" && checkConversion.TargetUnitOfMeasure == "cubic-feet")
{
double inputNumber = checkConversion.InputNumericalValue / 7.481;
inputNumber = Math.Round(inputNumber, 5);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 5);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
return(checkConversion);
}
public CheckConversion Rankine(CheckConversion checkConversion)
{
if (checkConversion.InputUnitOfMeasure == "Rankine" && checkConversion.TargetUnitOfMeasure == "liters" || checkConversion.TargetUnitOfMeasure == "tablespoons" || checkConversion.TargetUnitOfMeasure == "cubic - inches" || checkConversion.TargetUnitOfMeasure == "cups" || checkConversion.TargetUnitOfMeasure == "cubic - feet" || checkConversion.TargetUnitOfMeasure == "gallons")
{
checkConversion.Output = "invalid";
return(checkConversion);
}
else if (checkConversion.InputUnitOfMeasure == "Rankine" && checkConversion.TargetUnitOfMeasure == "Rankine")
{
if (checkConversion.InputNumericalValue == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "Rankine" && checkConversion.TargetUnitOfMeasure == "Kelvin")
{
double inputNumber = checkConversion.InputNumericalValue * (5 / 9);
inputNumber = Math.Round(inputNumber, 2);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 2);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "Rankine" && checkConversion.TargetUnitOfMeasure == "Celsius")
{
double inputNumber = (checkConversion.InputNumericalValue - 491.67) * (5 / 9);
inputNumber = Math.Round(inputNumber, 2);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 2);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
else if (checkConversion.InputUnitOfMeasure == "Rankine" && checkConversion.TargetUnitOfMeasure == "Fahrenheit")
{
double inputNumber = checkConversion.InputNumericalValue - 459.67;
inputNumber = Math.Round(inputNumber, 2);
checkConversion.StudentResponse = Math.Round(checkConversion.StudentResponse, 2);
if (inputNumber == checkConversion.StudentResponse)
{
checkConversion.Output = "correct";
return(checkConversion);
}
else
{
checkConversion.Output = "incorrect";
return(checkConversion);
}
}
return(checkConversion);
}
