public static Song CreateOrFind(MusicLibraryContext dbContext, string path)
{
Song song = dbContext.Songs.FirstOrDefault(_song => _song.Path == path);
if (song == null)
{
// if not found, create a new one
song = new Song()
{
Path = path
};
dbContext.Songs.Add(song);
}
else
{
dbContext.Songs.Attach(song);
}
return(song);
}
public static Artist CreateOrFind(MusicLibraryContext dbContext, string name)
{
Artist artist = dbContext.Artists.FirstOrDefault(_artist => _artist.Name == name);
if (artist == null)
{
// if not found, create a new one
artist = new Artist()
{
Name = name
};
dbContext.Artists.Add(artist);
}
else
{
dbContext.Artists.Attach(artist);
}
return(artist);
}
public static Album CreateOrFind(MusicLibraryContext dbContext, string name, int artistId)
{
Album album = dbContext.Albums.FirstOrDefault(_album => _album.Name == name && _album.ArtistId == artistId);
if (album == null)
{
// if not found, create a new one
album = new Album()
{
Name = name,
ArtistId = artistId
};
dbContext.Albums.Add(album);
}
else
{
dbContext.Albums.Attach(album);
}
return(album);
}