koel/koel

use App\Models\Song;
use App\Services\HelperService;

class SongObserver
{
    private HelperService $helperService;

    public function __construct(HelperService $helperService)
    {
        $this->helperService = $helperService;
    }

    public function creating(Song $song): void
    {
        $this->setFileHashAsId($song);
    }

    private function setFileHashAsId(Song $song): void
    {
        $song->id = $this->helperService->getFileHash($song->path);
    }
}

use App\Models\Album;
use App\Models\Song;
use App\Observers\AlbumObserver;
use App\Observers\SongObserver;
use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;

class EventServiceProvider extends ServiceProvider
{
    //
    public function boot(): void
    {
        parent::boot();

        Song::observe(SongObserver::class);
        Album::observe(AlbumObserver::class);
    }
}