public Week GetWeek(WeekOfTheYear week)
{
if (week.ToInt() > WeekCount)
{
return(null);
}
var firstThursdayOffset = (-(int)FirstDay.DayOfTheWeek).DMod(DAYS_IN_A_WEEK);
var dayInWeek = FirstDay + firstThursdayOffset + (int)week * DAYS_IN_A_WEEK;
return(dayInWeek.Week);
}
public static string ToString(this WeekOfTheYear weekOfTheYear)
{
int numeral = weekOfTheYear.ToInt();
return($"Week {numeral}");
}
public static int ToInt(this WeekOfTheYear weekOfTheYear)
{
return((int)weekOfTheYear + 1);
}