public static void RemoveRent(RentClass rent)
 {
     rent.CurrentCar.CarStatus     = false;
     rent.CurrentCar.CurrentClient = null;
     SQLCars.GetInstance().Update(rent.CurrentCar);
     SQLRents.GetInstance().Remove(rent.RentId.ToString());
     Rent.Remove(rent);
 }
 public static void AddNewRent(RentClass rentToAdd)
 {
     if (rentToAdd != null)
     {
         rentToAdd.CurrentCar.CarStatus     = true;
         rentToAdd.CurrentCar.CurrentClient = rentToAdd.CurrentClient;
         SQLCars.GetInstance().Update(rentToAdd.CurrentCar);
         SQLRents.GetInstance().Create(rentToAdd);
         Rent.Add(rentToAdd);
         TransactionService.NewTransaction(rentToAdd.CurrentCar.Cost, rentToAdd.CurrentClient);
     }
     else
     {
         throw new ArgumentNullException("rentToAdd can't be null!");
     }
 }
        /*static void Main(string[] args)
         * {
         *  InitializeCars();
         *  //ClientClass client = ClientService.AddNewClient(new ClientClass(487, 0, "Danik", "+1234567"));
         *  ClientClass client = Registration.RegisterNewClient();
         *  MenuService.LaunchMenu(client);
         * }*/

        public static void InitializeCars()
        {
            /*   List<string> colors = new List<string> { "Red", "Green", "Blue", "Cyan", "Yellow", "Black", "Silver" };
             * List<Types> types = new List<Types> { Types.Hatchback, Types.Pickup, Types.Sedan, Types.Universal };
             * Random rnd = new Random();
             * for(int i = 0; i< 10 ; i++)
             * {
             *     try
             *     {
             *         AutoParkService.AddNewCar(new CarClass(new BodyworkClass(colors[rnd.Next(7)], types[rnd.Next(4)], (float)Math.Round(rnd.NextDouble(), 1)), new EngineClass((float)Math.Round(rnd.NextDouble(), 1), rnd.Next(100, 300)), rnd.Next(10000), i));
             *     }
             *     catch (Exception)
             *     {
             *         i--;
             *     }
             * }*/
            foreach (var i in SQLCars.GetInstance().GetList())
            {
                AutoParkService.AutoPark.Add(i);
            }
        }