spatie/spatie.be

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Builder;

class License extends Model
{
    //
    public function scopeForProduct(Builder $query, Product $product): void
    {
        $query->whereHas('purchasable', fn (
            Builder $query
        ) => $query->where('product_id', $product->id));
    }
    //
}