Eloquent filter on method

Question

I have 2 tables items and naws. With

Item::where( 'items.item_type' , '=' , $pagetype)->get();

I retrieve the object perfect, but now i wan t to filter on area in the naws table. How can i achieve that?

Model Item:

namespace App;

use Illuminate\Database\Eloquent\Model;

class Item extends Model
{
    protected $table = 'items';

    public function naw()
    {
        return $this->hasOne('App\Naw');
    }

}

Answer 1

Awnser:

    return Item::with([
        'naw' => function($query) use ($slug)
        {
            $query->whereArea($slug);
        }
    ])->where( 'items.item_type' , '=' , $pagetype)->get();