ldc-com-app-bo/app/Models/Document.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class Document extends Model
{

    public function getOthersLangAttribute()
    {
        return Document::where('parent', '=', $this->id)->get();
    }

    public function getParentsAttribute()
    {
        return $this->constructParents($this->directory);
    }

    private function constructParents($id, $parents = [])
    {
        $tmp = Directories::find($id);
        array_push($parents, $tmp);
        if ($tmp->parent != NULL) {
            return $this->constructParents($tmp->parent, $parents);
        }
        return array_reverse($parents);
    }

    public function directory()
    {
        return $this->belongsTo(Directories::class, 'id', 'directory');
    }
}