public int CreateSong(CreateSongRequest request)
{
Require.NotNull(request, nameof(request));
Artist artist = _musicRepository.GetArtists(a => a.Name.Equals(request.Artist)).SingleOrDefault();
if (artist == null)
{
throw new AccountAlreadyExistsException("Artist not found");
}
var newSong = new Song(
request.Name,
request.Text,
artist);
var songId = _musicRepository.CreateSong(newSong);
return(songId);
}
