public void Purchase(Car car)
{
PurchasedCar purchasedCar = car.ToPurchasedCar();
var context = new Entities();
context.AddToPurchasedCars(purchasedCar);
context.SaveChanges();
}
public void PurchaseCar(CarType type)
{
var tires = new TirePackage {Size = 16, Weight = 40};
Engine engine = type == CarType.Basic
? new Engine {Cylinders = 4, Horsepower = 120}
: new Engine {Cylinders = 8, Horsepower = 200};
var car = new PurchasedCar {CustomerName = "Me", Engine = engine, Tires = tires};
var context = new Entities();
context.AddToPurchasedCars(car);
context.SaveChanges();
}