public List <Product> FindProduct(Func <Product, bool> product) { return(_database.Find(product)); }
public List <CartItem> FindCartItem(Func <CartItem, bool> filter) { return(_database.Find(filter)); }
public List <Order> FindOrder(Func <Order, bool> filter) { return(_database.Find(filter)); }
public List <Cart> FindCart(Func <Cart, bool> filter) { return(_database.Find(filter)); }
public List <Artist> FindArtist(Func <Artist, bool> filter) { return(_database.Find(filter)); }
public List <User> FindUser(Func <User, bool> user) { return(_database.Find(user)); }