public void CalculateNextExecution()
{
NextExecution = Start;
switch (Type)
{
case TriggerType.Time:
if (RepeatInterval != TimeSpan.Zero)
{
//Handle repeat
var endRepeatDate = (RepeatDuration != TimeSpan.Zero ? NextExecution + RepeatDuration : DateTime.MaxValue);
if (endRepeatDate < DateTime.Now)
{
break;
}
while (true)
{
if (NextExecution > DateTime.Now || NextExecution > EndFinal || NextExecution > endRepeatDate)
{
//Found within repeat
break;
}
NextExecution += RepeatInterval;
}
}
break;
case TriggerType.Daily:
while (true)
{
if (NextExecution > DateTime.Now || NextExecution > EndFinal)
{
//Found
break;
}
if (RepeatInterval != TimeSpan.Zero)
{
//Handle repeat
var nextRepeatExecution = NextExecution;
var endRepeatDate = (RepeatDuration != TimeSpan.Zero ? nextRepeatExecution + RepeatDuration : DateTime.MaxValue);
while (endRepeatDate > DateTime.Now)
{
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal || nextRepeatExecution > endRepeatDate)
{
break;
}
nextRepeatExecution += RepeatInterval;
}
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal)
{
//Found within repeat
NextExecution = nextRepeatExecution;
break;
}
}
NextExecution = NextExecution.AddDays(DaysInterval);
}
break;
case TriggerType.Weekly:
while (true)
{
if (Weekdays.Length == 0)
{
break;
}
//Check day of week
for (int i = 0; i < 6; i++)
{
var nextWeekExecution = NextExecution.AddDays(i);
if (!Weekdays.Contains((int)nextWeekExecution.DayOfWeek))
{
continue;
}
if (nextWeekExecution > DateTime.Now || nextWeekExecution > EndFinal)
{
//Found
NextExecution = nextWeekExecution;
break;
}
if (RepeatInterval != TimeSpan.Zero)
{
//Handle repeat
var nextRepeatExecution = nextWeekExecution;
var endRepeatDate = (RepeatDuration != TimeSpan.Zero ? nextRepeatExecution + RepeatDuration : DateTime.MaxValue);
while (endRepeatDate > DateTime.Now)
{
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal || nextRepeatExecution > endRepeatDate)
{
break;
}
nextRepeatExecution += RepeatInterval;
}
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal)
{
//Found within repeat
NextExecution = nextRepeatExecution;
break;
}
}
}
if (NextExecution > DateTime.Now || NextExecution > EndFinal)
{
//Found
break;
}
NextExecution = NextExecution.AddDays(7 * WeeksInterval);
}
break;
case TriggerType.Monthly:
while (true)
{
if (Months.Length == 0)
{
break;
}
if (Days.Length == 0)
{
break;
}
//Check days and months
bool isLastDayOfMonth = (Days.Contains(32) && Months.Contains(NextExecution.Month) && NextExecution.Day == DateTime.DaysInMonth(NextExecution.Year, NextExecution.Month));
if (!isLastDayOfMonth)
{
if (!Days.Contains(NextExecution.Day) || !Months.Contains(NextExecution.Month))
{
NextExecution = NextExecution.AddDays(1);
continue;
}
}
if (NextExecution > DateTime.Now || NextExecution > EndFinal)
{
//Found
break;
}
if (RepeatInterval != TimeSpan.Zero)
{
//Handle repeat
var nextRepeatExecution = NextExecution;
var endRepeatDate = (RepeatDuration != TimeSpan.Zero ? nextRepeatExecution + RepeatDuration : DateTime.MaxValue);
while (endRepeatDate > DateTime.Now)
{
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal || nextRepeatExecution > endRepeatDate)
{
break;
}
nextRepeatExecution += RepeatInterval;
}
if (nextRepeatExecution > DateTime.Now || nextRepeatExecution > EndFinal)
{
//Found within repeat
NextExecution = nextRepeatExecution;
break;
}
}
//Check next day
NextExecution = NextExecution.AddDays(1);
}
break;
}
if (NextExecution < DateTime.Now)
{
NextExecution = DateTime.MaxValue;
}
}
public bool this[int day] => Weekdays.Contains((Weekday)day);
