public ParkingSpace GetParkingSpace(Vehicle vehicle)
{
// Retrieve the parking space from the available spaces.
// This will look up from Priority queue and gets the available spaces.
ParkingSpace space = this.AvailableSpaces.Get();
if (!vehicle.IsRegisteredDisability)
{
// By default the reserved space will be picked as this is high pri in the queue.
while (space != null && space.IsReservedSpace)
{
space = this.AvailableSpaces.Get();
}
}
// The available space now can be deleted.
var deletedSpace = this.AvailableSpaces.Delete();
if (space.ParkingNumber != deletedSpace.ParkingNumber)
{
throw new Exception("The deleted space is invalid!");
}
// Set the vehicle to the parking space.
space.Vehicle = vehicle;
return(space);
}
public bool ExitParkingLot(ParkingSpace space)
{
this.AvailableSpaces.Insert(space.DistanceFromGate, space);
// Pay parking fee.
ParkingTicket parkingTicket = this.Pay(space, PaymentType.PayByCard);
// Validate the parking ticket during exit.
if (parkingTicket.Validate())
{
return(true);
}
return(false);
}
public void Initialize()
{
for (int i = 0; i < ParkingLot.ParkingSize; i++)
{
ParkingSpace parkingSpace = new ParkingSpace();
parkingSpace.DistanceFromGate = ParkingLot.DistanceFromPoleGate + i;
parkingSpace.Vehicle.VehicleType = VehicleType.Compact;
parkingSpace.ParkingNumber = ParkingLot.ParkingNumberStarIndex + i;
parkingSpace.EntryTime = DateTime.Now;
// Assign three parking space for reserved.
if (i == 0 || i == 1 || i == 2)
{
parkingSpace.IsReservedSpace = true;
}
this.AvailableSpaces.Insert(parkingSpace.DistanceFromGate, parkingSpace);
}
}
public ParkingTicket Pay(ParkingSpace space, PaymentType paymentType)
{
int durationInHours = DateTime.Now.Subtract(space.EntryTime).Hours;
decimal amount = this.ParkingMeter.GetAmountByDuration(durationInHours);
if (paymentType == PaymentType.PayByCard)
{
this.ParkingMeter.PayCard(amount);
}
else if (paymentType == PaymentType.PayByCash)
{
this.ParkingMeter.PayCash(amount);
}
else
{
throw new NotSupportedException("Payment type unknown.");
}
return(new ParkingTicket {
DurationInHours = durationInHours, ParkTime = space.EntryTime, AmountPaid = amount
});
}
