StepByStepPicking(
FilteringHeuristic filtering) //choosing next value (tries all possible variations of parametrs, if doesnt fit - backtracking will solve the issue)
{
if (filtering == FilteringHeuristic.NONE)
{
if (Value.TeacherValue != Teachers.Last())
{
Value.TeacherValue = Teachers.ElementAt(Teachers.IndexOf(Value.TeacherValue) + 1);
}
else if (Value.AudienceValue != Audiences.Last())
{
Value.TeacherValue = Teachers.First(); // resetting previous data element
Value.AudienceValue = Audiences.ElementAt(Audiences.IndexOf(Value.AudienceValue) + 1);
}
else if (Value.TimeValue != Times.Last())
{
Value.AudienceValue = Audiences.First(); // resetting previous data element
Value.TimeValue = Times.ElementAt(Times.IndexOf(Value.TimeValue) + 1);
}
else if (Value.DayValue != Days.Last())
{
Value.TimeValue = Times.First(); // resetting previous data element
Value.DayValue = Days.ElementAt(Days.IndexOf(Value.DayValue) + 1);
}
}
else
{
Value = new Value(PossibleValues.First());
PossibleValues.RemoveAt(0);
}
}
public bool Check()
{
var perform = false;
var now = DateTime.Now;
for (int i = 0; i < Times.Count; i++)
{
var time = Times.ElementAt(i);
var lastOccurence = DateTime.Today.AddDays(time > now.TimeOfDay ? -1 : 0) + time;
var timeAfter = Times.ElementAt((i + 1) % Times.Count);
var firstOccurenceAfter = lastOccurence.Date.AddDays(time >= timeAfter ? 1 : 0) + timeAfter;
var halfwayTime = lastOccurence + (firstOccurenceAfter - lastOccurence).Divide(2);
/* If the time to monitor has passed, trigger the event - unless
* we are already halfway to the next scheduled monitoring time. */
if (checkFrom < lastOccurence && now < halfwayTime)
{
perform = true;
break;
}
}
if (DateTime.Now - lastCheck >= TimeSpan.FromMinutes(10))
{
Profile.Debug(new {
Action = "Checking monitor",
Key = this.key,
Times = Times,
checkFrom = checkFrom,
now = now,
Result = perform
});
lastCheck = DateTime.Now;
}
return(perform);
}