// helper function to get amount of available seats from a booked bus
public int GetAvailableSeatCountFromBookedBus(DateTime dateTime, string direction, string busId, int neededAmountOfSeats)
{
int requiredSeats = neededAmountOfSeats;
ShuttleBus bus = _shuttleBusDAO.RetrieveShuttleBusById(busId);
//find a proper way to get all passengers of a bus
//currently this only gives you passengers of that schedule
List <ShuttlePassenger> passengerList = GetShuttlePassengersOfBus(busId, dateTime, direction);
if (passengerList.Count == bus.RetrieveShuttleBusCapacity())
{
//this bus is full. go to next available bus.
Debug.WriteLine("[GetAvailableSeatCountFromBookedBus - CHECK] - Bus of Id " + bus.RetrieveId() + " already fully booked.");
return(0);
}
//(current number of passengers) + (to-be-added passengers) is less or equal to (max capacity)
if (passengerList.Count + requiredSeats <= bus.RetrieveShuttleBusCapacity())
{
//possible to book all remaining needed seats under this bus.
Debug.WriteLine("[GetAvailableSeatCountFromBookedBus - CHECK/pass] - GOOD CAPACITY - Able to book " + requiredSeats + " amount of seats for bus " + bus.RetrieveId());
return(requiredSeats);
}
else
{
//current bus can take 'some' passengers, but not all.
//get number of seats that we can put in 'right now'
int possibleSeatsCount = bus.RetrieveShuttleBusCapacity() - passengerList.Count;
Debug.WriteLine("[GetAvailableSeatCountFromBookedBus - CHECK] - OVER CAPACITY - " +
"Unable to book " + requiredSeats + " amount of seats for bus " + bus.RetrieveId());
Debug.WriteLine("[GetAvailableSeatCountFromBookedBus - CHECK] - OVER CAPACITY - " +
"Bus " + bus.RetrieveId() + " currently can offer " +
(bus.RetrieveShuttleBusCapacity() - passengerList.Count) + " seats.");
requiredSeats -= possibleSeatsCount; //update remaining amt of seats to add
Debug.WriteLine("[GetAvailableSeatCountFromBookedBus - CHECK] - " + requiredSeats + " more seats needed.");
return(bus.RetrieveShuttleBusCapacity() - passengerList.Count);
}
}
public string ReturnIndexOfLastItem()
{
ShuttleBus finalObject = _context.ShuttleBus.AsEnumerable().OrderByDescending(x => x.RetrieveId()).FirstOrDefault();
return(finalObject.RetrieveId());
}