public static void Seed(DatabaseContext context)
{
var conAir = new Film("ConAir", 120);
var batman = new Film("Batman", 95);
context.Films.AddOrUpdate(c => c.Title, conAir, batman);
var cinema = new Cinema("Palafox");
var screen1 = cinema.CreateScreen(name: "1", rows: 5, seatsPerRow: 5);
var screen2 = cinema.CreateScreen(name: "2", rows: 6, seatsPerRow: 6);
var screen3 = cinema.CreateScreen(name: "3", rows: 7, seatsPerRow: 7);
cinema.AddFilm(batman);
context.Cinemas.AddOrUpdate(c => c.Name, cinema);
var sesion1 = cinema.CreateSession(screen1, batman, new DateTime(2017, 3, 5, 18, 0, 0));
var sesion2 = cinema.CreateSession(screen2, batman, new DateTime(2017, 3, 5, 19, 45, 0));
var sesion3 = cinema.CreateSession(screen3, batman, new DateTime(2017, 3, 5, 22, 0, 0));
context.Sessions.AddRange(new[] { sesion1, sesion2, sesion3 });
}