public CarRecord TryGetCarByEcv(string ecv)
{
CarRecord car;
return(CarsByEcv.TryGetEqual(new CarRecord {
Ecv = ecv
}, out car) ? car : null);
}
//
public bool TryDeleteCarByVin(string vin)
{
VinEcvRecord vinEcv;
if (EcvsByVin.TryRemove(new VinEcvRecord {
Vin = vin
}, out vinEcv))
{
var r = new CarRecord();
r.Ecv = vinEcv.Ecv;
bool removed = CarsByEcv.TryRemove(r);
Debug.Assert(removed);
return(true);
}
return(false);
}
public bool TryDeleteCarByEcv(string ecv)
{
CarRecord car;
if (CarsByEcv.TryRemove(new CarRecord {
Ecv = ecv
}, out car))
{
bool removed = EcvsByVin.TryRemove(new VinEcvRecord {
Vin = car.Vin
});
Debug.Assert(removed);
return(true);
}
return(false);
}
public void Dispose()
{
CarsByEcv.Dispose();
EcvsByVin.Dispose();
Drivers.Dispose();
}
// Returns true if added new car.
public bool AddOrUpdateCar(CarRecord selectedCar)
{
bool carExists = false;
var existingCarVin = TryGetCarByEcv(selectedCar.Ecv)?.Vin;
VinEcvRecord vinEcv = null;
if (existingCarVin != null)
{
//selectedCar.Vin = existingCarVin;
//existingCarVin = selectedCar.Vin;
carExists = true;
}
else
{
if (EcvsByVin.TryGetEqual(new VinEcvRecord {
Vin = selectedCar.Vin
}, out vinEcv))
{
//selectedCar.Ecv = vinEcv.Ecv;
carExists = true;
}
}
// ak menim klucove atributy
if (carExists)
{
if (existingCarVin != null && !selectedCar.Vin.Equals(existingCarVin))
{
// ak menim vin a najdem auto podla ecv
TryDeleteCarByEcv(selectedCar.Ecv);
// zmazem auto podla ecv
// pridam nove auto
carExists = false;
}
else if (vinEcv != null && !selectedCar.Ecv.Equals(vinEcv.Ecv))
{
// ak menim ecv a najdem auto podla vin
TryDeleteCarByVin(selectedCar.Vin);
// zmazem auto podla vin
// pridam nove auto
carExists = false;
}
}
if (!carExists)
{
bool addedVinEcv = EcvsByVin.Add(new VinEcvRecord {
Vin = selectedCar.Vin, Ecv = selectedCar.Ecv
}, updateIfExists: false);
//Console.WriteLine("Nenaslo take auto");
Debug.Assert(addedVinEcv);
}
bool added = CarsByEcv.Add(selectedCar, updateIfExists: true);
Debug.Assert(added == !carExists);
//Console.WriteLine("Pridane do ECV-VIN tabulky");
return(added);
}