app/Repositories/AlbumRepository.php
use App\Models\Song;use App\Repositories\Traits\Searchable; class AlbumRepository extends AbstractRepository{ use Searchable; /** @return array<int> */ public function getNonEmptyAlbumIds(): array { return Song::select('album_id') ->groupBy('album_id') ->get() ->pluck('album_id') ->toArray(); }}