Advanced cron expressions about coravel HOT 2 OPEN

scheduler.Schedule<MyJob>()
  .DailyAtHour(18)
  .When(IsLastWorkingDayOfMonth);

//compliments of ChatGPT with some mods
public async Task<bool> IsLastWorkingDayOfMonth()
{
	Func<DateTime, DateTime> GetLastWorkingDayOfMonth = date =>
	{
		DateTime lastDayOfMonth = new DateTime(date.Year, date.Month, DateTime.DaysInMonth(date.Year, date.Month));

		// Check if the last day of the month falls on a weekend
		if (lastDayOfMonth.DayOfWeek == DayOfWeek.Saturday)
		{
			return lastDayOfMonth.AddDays(-1); // If it's Saturday, return the previous Friday
		}
		else if (lastDayOfMonth.DayOfWeek == DayOfWeek.Sunday)
		{
			return lastDayOfMonth.AddDays(-2); // If it's Sunday, return the previous Friday
		}
		else
		{
			return lastDayOfMonth; // If it's a weekday, return the last day of the month
		}
	};

	DateTime today = DateTime.Today;
	DateTime lastWorkingDay = GetLastWorkingDayOfMonth(today);
	
	return lastWorkingDay == today;
}