public static Colour ToColour(this LotteryNumber number)
{
if (number.IsInRange(1, 9))
{
return(Colour.Gray);
}
if (number.IsInRange(10, 19))
{
return(Colour.Blue);
}
if (number.IsInRange(20, 29))
{
return(Colour.Pink);
}
if (number.IsInRange(30, 39))
{
return(Colour.Green);
}
if (number.IsInRange(40, 49))
{
return(Colour.Yellow);
}
// This exception should never be reached, however it is
// required to prevent the compiler from complaining and
// incase the LotteryNumber class is modified to cause
// execution to reach this far at runtime.
throw new InvalidOperationException($"Unable to transalate the {nameof(LotteryNumber)} {number} into a {nameof(Colour)}.");
}
public LotteryResult(IEnumerable <LotteryNumber> numbers, LotteryNumber bonusBall)
{
if (numbers is null || !numbers.Any())
{
throw new ArgumentException(nameof(numbers), $"{nameof(numbers)} cannot be null or empty.");
}
Numbers = numbers;
BonusBall = bonusBall;
}
public static bool IsInRange(this LotteryNumber number, LotteryNumber min, LotteryNumber max) => number >= min && number <= max;
public static ConsoleColor ToConsoleColor(this LotteryNumber number) => number.ToColour().ConsoleColor;
public static string ToHexColour(this LotteryNumber number) => number.ToColour().HexColour;
public static string ToRgbColour(this LotteryNumber number) => number.ToColour().RgbColour;
