using System.Collections.Generic; namespace CodeFirst.DataAccess.Models; public class Copies { public int CopyId { get; set; } public bool Available { get; set; } public int MovieId { get; set; } // navigational properties // one copy has only one movie public virtual Movies Movie { get; set; } // to maintain many to many copies - rentals public virtual ICollection Rentals { get; set; } public Copies() { } public Copies(int copyId, int movieId, bool available) { CopyId = copyId; MovieId = movieId; Available = available; } }