public static void InitializeData(IServiceProvider serviceProvider, ILogger <Program> logger, string userId)
{
using (var context = new MusicStoreContext(
serviceProvider.GetRequiredService <DbContextOptions <MusicStoreContext> >()))
{
if (!context.Songs.AsNoTracking().Any())
{
// creating 3 albums
var albums = new List <AlbumEntity>();
for (int i = 0; i < 3; i++)
{
albums.Add(new AlbumEntity
{
Name = $"Album {i + 1}",
Description = "description that the album will have just a doemo test",
OwenerId = userId
});
}
// creating 15 songs
var songs = new List <SongEntity>();
for (int i = 0; i < 15; i++)
{
var song = new SongEntity
{
Name = $"Song {i + 1}",
Album = albums[i % 3],
OwenerId = userId
};
songs.Add(song);
}
;
// creating 10 genre
var genres = new List <GenreEntity>();
for (int i = 0; i < 10; i++)
{
genres.Add(new GenreEntity {
Name = $"Genre {(char)i + 42}"
});
}
// linking songs to genres
var genresToSong = new List <GenreSongEntity>();
var rand = new Random();
foreach (var song in songs)
{
// add random tags to song
var randGenrsCount = rand.Next(0, 3);
for (int i = 0; i <= randGenrsCount - 1; i++)
{
genresToSong.Add(new GenreSongEntity
{
Song = song,
Genre = genres[rand.Next(genres.Count)]
});
}
}
logger.LogInformation("Adding generes to songs..");
context.AddRange(genresToSong);
// add song without album and genre
context.Songs.Add(new SongEntity {
Name = "Without Genre and Album"
});
context.SaveChanges();
logger.LogInformation("Saving Succeseded...");
}
}
}
