song method
Gets the artist's song return a Song
in case of success and null otherwise.
If the song is in the artist's songs, returns the song. Otherwise searches Genius for the song and then returns the song.
Implementation
Future<Song?> song({required Genius client, required String songName}) async {
for (var song in songs) {
if (song.title != null) {
if (song.title == songName) {
return song;
}
}
}
return await client.searchSong(artist: name, title: songName);
}