using Bookstore.Domain.Books; namespace Bookstore.Domain.Orders { public class OrderItem : Entity { // This private constructor is required by EF Core private OrderItem() { } public OrderItem(Order order, Book book, int quantity) { OrderId = order.Id; Order = order; BookId = book.Id; Book = book; Quantity = quantity; } public int OrderId { get; set; } public Order Order { get; set; } public int BookId { get; set; } public Book Book { get; set; } public int Quantity { get; set; } } }