private static void SumIfHasFlag(ref int count, WeekDay weekDay, DayOfWeek dayToCheck)
{
if (weekDay.HasFlag(Convert(dayToCheck)))
{
count++;
}
}
private bool IsToday(WeekDay day)
{
switch (DateTime.Now.DayOfWeek)
{
default: return(false);
case DayOfWeek.Sunday:
return(day.HasFlag(WeekDay.Sunday));
case DayOfWeek.Monday:
return(day.HasFlag(WeekDay.Monday));
case DayOfWeek.Tuesday:
return(day.HasFlag(WeekDay.Tuesday));
case DayOfWeek.Wednesday:
return(day.HasFlag(WeekDay.Wednesday));
case DayOfWeek.Thursday:
return(day.HasFlag(WeekDay.Thursday));
case DayOfWeek.Friday:
return(day.HasFlag(WeekDay.Friday));
case DayOfWeek.Saturday:
return(day.HasFlag(WeekDay.Saturday));
}
}
public static bool SameDay(WeekDay weekDay, DayOfWeek dayOfWeek)
{
switch (dayOfWeek)
{
default: return(false);
case DayOfWeek.Sunday:
return(weekDay.HasFlag(WeekDay.Sunday));
case DayOfWeek.Monday:
return(weekDay.HasFlag(WeekDay.Monday));
case DayOfWeek.Tuesday:
return(weekDay.HasFlag(WeekDay.Tuesday));
case DayOfWeek.Wednesday:
return(weekDay.HasFlag(WeekDay.Wednesday));
case DayOfWeek.Thursday:
return(weekDay.HasFlag(WeekDay.Thursday));
case DayOfWeek.Friday:
return(weekDay.HasFlag(WeekDay.Friday));
case DayOfWeek.Saturday:
return(weekDay.HasFlag(WeekDay.Saturday));
}
}
private static void SumIfHasFlags(ref int count, WeekDay weekDay, int toSum, params WeekDay[] daysToCheck)
{
foreach (var dayToCheck in daysToCheck)
{
if (weekDay.HasFlag(dayToCheck))
{
count += toSum;
}
}
}
public static DateTime NextDateTimeOn(this DateTime from, WeekDay toDays, TimeSpan toTime)
{
var weekDay = from.DayOfWeek.ToWeekDay();
var hasToday = toDays.HasFlag(weekDay);
if (hasToday && from.TimeOfDay <= toTime)
{
return(from.Date + toTime);
}
if (!hasToday || toDays != weekDay)
{
do
{
weekDay = weekDay.Next <WeekDay>();
}while (!toDays.HasFlag(weekDay));
}
return(from.ToNextDayOfWeek(weekDay.ToDayOfWeek(), true).Date + toTime);
}
private static string ToRfc5545String(WeekDay weekDay)
{
return(string.Join(",", WeekDayMap.Where(kv => weekDay.HasFlag(kv.Key)).Select(kv => kv.Value)));
}