nabilhassen/larasense

use Illuminate\Contracts\Database\Eloquent\Builder;
 
class Material extends Model
{
    // ...
 
    public function scopeDisplayed(Builder $query): void
    {
        $query
            ->where("{$this->getTable()}.is_displayed", 1)
            ->whereHas('source', fn (Builder $q) => $q->displayed());
    }
 
    // ...
}