private void createTimeSlots(DateTime startTime, DateTime endTime)
{
/*
* Start:
* 1. Start is between first ts and last ts
* - do nothing
* 2. Start is before first ts
* - create timeslots before
* 3. Start is after the last ts
* - create timeslots after
*
* End:
* 4. Start is between first ts and last ts
* - do nothing
* 5. End is after last ts
* - create timeslots after
*/
if (timeslots.Count == 0)
{
int numTimeslots = calculateDifferenceInTimeslots(endTime, startTime);
for (int i = 0; i < numTimeslots; i++)
{
DateTime newDT = startTime.AddMinutes(i * Constants.timeslotDuration);
timeslots.Add(new Timeslot(newDT, Constants.timeslotDuration));
}
return;
}
DateTime firstTime = timeslots[0].getTimeslotStartTime();
int startIndex = calculateDifferenceInTimeslots(startTime, firstTime);
if (startIndex < 0)
{
// 2
for (int i = startIndex; i < 0; i++)
{
DateTime newDT = timeslots[0].getTimeslotStartTime().AddMinutes(-1 * Constants.timeslotDuration);
timeslots.Insert(0, new Timeslot(newDT, Constants.timeslotDuration));
}
}
DateTime lastTime = timeslots[timeslots.Count - 1].getTimeslotStartTime();
int endIndex = timeslots.Count - 1 + calculateDifferenceInTimeslots(endTime, lastTime);
if (endIndex > timeslots.Count)
{
// 5
for (int i = timeslots.Count; i < endIndex; i++)
{
Timeslot last = timeslots[timeslots.Count - 1];
DateTime newDT = last.getTimeslotStartTime().AddMinutes(Constants.timeslotDuration);
timeslots.Add(new Timeslot(newDT, Constants.timeslotDuration));
}
}
}