private int getFreeSpaces(string lot_id, string max_vehicle)
{
DateTime dt = DateTime.Now;
BookingModel bkm = new BookingModel();
bkm.lot_id = lot_id;
bkm.day = dt.ToString("dd/MM/yyyy");
bkm.status = "0";
int countBookings = bkm.getAllBookingByLotDayStatus().Count();
LogModel lgm = new LogModel();
lgm.lot_id = lot_id;
lgm.day = dt.ToString("dd/MM/yyyy");
int engagedCount = lgm.getAllLogsbyLotDayOutTime().Count();
int freeCount = int.Parse(max_vehicle) - (engagedCount + countBookings);
return(freeCount);
}