<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class City extends Model
{
    use HasFactory;
    public $timestamps = false;
    protected $fillable=[
        'title',
        'code',
        'parent_id',
        'has_children',
        'level'
    ];
    protected $casts = [
        'has_children'=>'boolean'
    ];
    static $LEVEL = [
        1=>'استان',
        2=>'شهر',
    ];
    public function children(){
        return $this->hasMany(City::class,'parent_id')->with('children');
    }
    public function parent(){
        return $this->belongsTo(City::class,'parent_id')->with('parent');
    }
}