public PurchasedMovie(Movie movie, Customer customer, Dollars price)
{
if (price == null || price.IsZero)
{
throw new ArgumentException(nameof(price));
}
Movie = movie;
Customer = customer;
Price = price;
}
public void PurchaseMovie(Movie movie)
{
if (HasPurchasedMovie(movie))
{
throw new Exception();
}
var price = movie.CalculatePrice(Status, DateTime.UtcNow);
var purchasedMovie = new PurchasedMovie(movie, this, price);
_purchasedMovies.Add(purchasedMovie);
MoneySpent += price;
}
public Customer(CustomerName name)
{
Name = name;
MoneySpent = Dollars.Of(0);
Status = CustomerStatus.Regular;
}
private Dollars GetBasePrice()
{
return(Dollars.Of(10));
}