public static void EnsureSeedData(this MusicStoreContext context)
{
if (context.AllMigrationsApplied())
{
if (!context.Genres.Any())
{
IDictionary <string, Genre> genres = Genres.Get();
context.Genres.AddRange(genres.Values);
context.SaveChanges();
}
if (!context.Artists.Any())
{
IDictionary <string, Artist> artists = Artists.Get();
context.Artists.AddRange(artists.Values);
context.SaveChanges();
}
if (!context.Albums.Any())
{
IEnumerable <Album> albums = Albums.Get(context.Genres.ToDictionary(x => x.Name, x => x),
context.Artists.ToDictionary(x => x.Name, x => x));
context.Albums.AddRange(albums);
context.SaveChanges();
}
}
}
