public static void MyCalculator()
{
PrintWelcomeMessage();
while (true)
{
int calculationMode = AskForCalculationMode();
if (calculationMode == NumberCalculator)
{
NumberCalculatorClass.PerformOneNumberCalculation();
}
else if (calculationMode == DateCalculator)
{
DateCalculatorClass.PerformOneDateCalculation();
}
}
}
private static DateTime CalcDateDays()
{
Console.WriteLine(@"Please enter the number of days.
To subtract, just enter a negative number e.g. -10");
int daysX = NumberCalculatorClass.ConvertNum();
DateTime daysCalc = DateTime.Now.AddDays(daysX);
string daysDate = daysCalc.ToShortDateString();
int daysY = daysX * -1;
if (daysX >= 0)
{
Console.Write($@"The date {daysX} days from now will be {daysDate}
");
}
else
{
Console.WriteLine($@"The date {daysY} days ago was {daysDate}
");
}
return(daysCalc);
}
private static DateTime CalcTwoDateDays()
{
DateTime dateY = ConvertDate();
Console.WriteLine("Please enter the number of days: (To subtract, just enter a negative number e.g. -10)");
int daysX = NumberCalculatorClass.ConvertNum();
string dateYStr = dateY.ToShortDateString();
DateTime daysCalc = dateY.AddDays(daysX);
string daysDate = daysCalc.ToShortDateString();
if (daysX >= 0)
{
Console.Write($@"{daysX} days after {dateYStr} is {daysDate}
");
}
else
{
Console.WriteLine($@"{daysX} days before {dateYStr} is {daysDate}
");
}
return(daysCalc);
}