public bool Calculate(FitnessRequest request)
{
//Todo
//Change this so each chromosome is converted into a List<Slot> so LINQ can be used. Not getting correct shedule when choose selected events.
for (int popIdx = 0; popIdx < request.Population.Count(); popIdx++)
{
//Process chromosome.
List<string> genes = Helpers.SplitIntoChunks(request.Population[popIdx].ScheduleString, request.GeneLength).ToList<string>();
List<TimeSlot> chromosomeSlots = Helpers.GetSlots(genes, request.TimeSlots);
DateRange defaultDateRange = new DateRange(new DateTime(1000, 1, 1, 00, 00, 00), new DateTime(9999, 12, 31, 23, 59, 59));
List<TimeSlot> filteredSlots = chromosomeSlots
.Where(slot =>
request.SelectedDateRanges.DefaultIfEmpty(defaultDateRange).
Any(dateRange => dateRange.Start < slot.EndTime && dateRange.End > slot.StartTime)).ToList<TimeSlot>();
//Dedupe duplicate slots
List<TimeSlot> dedupedSlots = new List<TimeSlot>();
foreach (TimeSlot slot in filteredSlots)
{
if (!dedupedSlots.Contains(slot))
{
dedupedSlots.Add(slot);
}
}
////Selected events are messing this up. It works when there's selected dates
//or no selected dates, but not with selected events. For some reason,
//only a few events around the selected events are included, like 2
//either side. Something about selected events breaks the clash code.
////After the loop above, all slots not in selected date range have been filtered out.
// //Now we can go through those and see which ones contain selected events.
foreach (TimeSlot slot in dedupedSlots)
{
if (request.SelectedFilms.Count == 0) { break; }
if (SlotHasSelectedEvent(request, slot, popIdx))
{
slot.Selected = true;
request.Population[popIdx].Fitness++;
request.Population[popIdx].UniqueSlots.Add(slot);
request.Population[popIdx].UniqueEvents.Add(slot.Event.ID);
}
}
//if (request.Population[popIdx].Fitness < request.SelectedEvents.Count)
//{
// request.Population[popIdx].Fitness = 0;
// request.Population[popIdx].UniqueSlots.Clear();
// request.Population[popIdx].UniqueEvents.Clear();
// continue;
//}
List<TimeSlot> sortedSlots = dedupedSlots.OrderBy(o => o.StartTime).ToList();
//Now we've got all the slots with selected events marked as Selected. They're fixed now.
//If we want more than just the selected events, get the remaining unselected slots that don't clash
//with any other currently unselected slot.
if (request.SelectedFilmsOnly == false)
{
// foreach (Slot slot in filteredSlots.Where(s => s.Selected == false))
for (int i = 0; i < sortedSlots.Count; i++)
{
TimeSlot slot = sortedSlots[i];
if (slot.Selected) { continue; }
bool fits = true;
// foreach (Slot sibling in filteredSlots.Where(sib => sib.ID != slot.ID))
for (int j = i + 1; j < sortedSlots.Count; j++)
{
//Don't compare same slot.
// if (j == i) { continue; }
TimeSlot sibling = sortedSlots[j];
//if (sibling.Selected)
//{
// continue;
//}
//if ((sibling.ID == 74 & slot.ID == 113) || (sibling.ID == 113 & slot.ID == 74))
//{
// break;
//}
int addedTime = CalculateAddedTime(request, slot, sibling);
DateTime slotAmendedStart = slot.StartTime.AddMinutes(addedTime * -1);
DateTime slotAmendedEnd = slot.EndTime.AddMinutes(addedTime);
fits = !(slotAmendedStart < sibling.EndTime && slotAmendedEnd > sibling.StartTime);
if (!fits)
{
break;
}
//113 louis 74 other
//Do we allow duplicate event IDs?
fits = ((request.AllowDuplicateEvents) || (request.AllowDuplicateEvents == false && slot.Event.ID != sibling.Event.ID));
if (!fits)
{
break;
}
}
// }
if (fits)
{
slot.Selected = true;
request.Population[popIdx].Fitness++;
request.Population[popIdx].UniqueSlots.Add(slot);
request.Population[popIdx].UniqueEvents.Add(slot.Event.ID);
}
}
}
}
return true;
}
public bool Includes(DateRange range)
{
return (Start <= range.Start) && (range.End <= End);
}
