public void UpdateItemSortOrder(int sessionId, int codeCampId, int newPosition)
{
// get the time slots that aren't full span
var availableTimeSlots = timeSlotRepo.GetItems(codeCampId).Where(t => !t.SpanAllTracks);
// re-order timeslots by time only
var timeSlots = TimeSlotInfoController.SortTimeSlots(availableTimeSlots).ToList();
// get the time slot matching the index
var slot = timeSlots[newPosition];
// get the session
var session = repo.GetItem(sessionId, codeCampId);
session.TimeSlotId = slot.TimeSlotId;
repo.UpdateItem(session);
}
