private int GetNumberInput()
{
Console.WriteLine("Enter any number");
var inputNumber = Console.ReadLine();
if (UserInputValidation.NumberNegativeOrInvalid(inputNumber))
{
Console.WriteLine("Please enter a positive number, try again:");
GetNumberInput();
}
return(int.Parse(inputNumber));
}
public string Play()
{
Console.WriteLine("Pick a number, any number and I will sum all the numbers from 1 to N!");
var inputNumber = Console.ReadLine();
if (UserInputValidation.NumberNegativeOrInvalid(inputNumber))
{
Console.WriteLine("Please enter a positive number, try again:");
Play();
}
return(OperationFromOneToN.Sum(int.Parse(inputNumber)));
}
public string Play()
{
Console.WriteLine("Enter a number and I will return the sum of all multiples of 3 or 5 from 1 to N");
var inputNumber = Console.ReadLine();
if (UserInputValidation.NumberNegativeOrInvalid(inputNumber))
{
Console.WriteLine("Please enter a positive number, try again:");
Play();
}
return(SumNumbersIfMultiplesOf3Or5(int.Parse(inputNumber)));
}