public static VehicleDb ToVehicleDb(this VehicleBase vehicleBase)
{
VehicleDb vehicleDb = new VehicleDb()
{
Id = vehicleBase.Id,
Make = vehicleBase.Make,
Model = vehicleBase.Model,
VehicleType = EVehicleType.Car
};
Car car = vehicleBase as Car;
if (car != null)
{
vehicleDb.Engine = car.Engine;
vehicleDb.Doors = car.Doors;
vehicleDb.Wheels = car.Wheels;
vehicleDb.BodyType = car.BodyType;
}
Boat boat = vehicleBase as Boat;
if (boat != null)
{
vehicleDb.Length = boat.Length;
vehicleDb.Name = boat.Name;
vehicleDb.VehicleType = EVehicleType.Boat;
}
return(vehicleDb);
}
public bool UpdateVehicle(VehicleDb Vehicle)
{
_context.Entry(Vehicle).State = EntityState.Modified;
try
{
_context.SaveChanges();
return(true);
}
catch (DbUpdateConcurrencyException e)
{
if (_context.Vehicles.Any(v => v.Id == Vehicle.Id))
{
return(false);
}
else
{
throw new VehicleNotExistException(e);
}
}
catch (Exception ex)
{
throw new DBOperationException(ex);
}
}
public static VehicleDb ConvertFrom(this AccidentStatisticDb accidentStatistic, Vehicle vehicle)
{
var result = new VehicleDb
{
AccidentStatistic = accidentStatistic,
VehicleType = vehicle.VehicleType
};
return(result);
}
public void CreateVehicle(VehicleDb vehicle)
{
_context.Add(vehicle);
try
{
_context.SaveChanges();
}
catch (Exception ex)
{
throw new DBOperationException(ex);
}
}
public bool UpdateBoatById(Boat boat, int id)
{
//VehicleDb vehicle = _vehicleRepository.GetAllVehicles().FirstOrDefault(vehicle => vehicle.Id == id)
//if (vehicle.VehicleType != EVehicleType.Boat)
//{
// throw new Exception("error occured when try to add vehicle to database.");
//}
VehicleDb vehicle = boat.ToVehicleDb();
return(_vehicleRepository.UpdateVehicle(vehicle));
}
public void DeleteVehicleById(int id)
{
var vehicle = new VehicleDb()
{
Id = id
};
_context.Remove(vehicle);
try
{
_context.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
return;
}
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
VehicleDb db = new VehicleDb();
List <Vehicle> model;
Vehicle vehicle = (Vehicle)validationContext.ObjectInstance;
model = db.Vehicle.Where(i => i.Reg == value.ToString() && i.Id != vehicle.Id).ToList();
if (model.Count != 0)
{
model.Clear();
return(new ValidationResult("the registration Number is in used ... try another"));
}
else
{
model.Clear();
return(ValidationResult.Success);
}
}
public static VehicleBase ToVehicleBase(this VehicleDb vehicleDb)
{
switch (vehicleDb.VehicleType)
{
case EVehicleType.Car:
Car car = new Car(vehicleDb.Make, vehicleDb.Model, vehicleDb.Engine, vehicleDb.Doors, vehicleDb.Wheels, vehicleDb.BodyType)
{
Id = vehicleDb.Id
};
return(car);
case EVehicleType.Boat:
Boat boat = new Boat(vehicleDb.Make, vehicleDb.Model, vehicleDb.Length, vehicleDb.Name)
{
Id = vehicleDb.Id
};
return(boat);
default:
throw new Exception("inefficient vehicle type");
}
}
public VehicleBaseBusiness()
{
vehicleDb = new VehicleDb();
vehicleMakerDb = new VehicleMakerDb();
vehicleModelDb = new VehicleModelDb();
}