urfatBro/app/geo/city/classes/City.php

<?php

namespace App\Geo\City\Classes;

use ORM\Entity as Entity;
use App\geo\State\Classes\State as State;
use App\Geo\Country\Classes\Country as country;
use App\Geo\Postal\Classes\Postal;

class City extends Entity {

    const _tableName = "geo_cities";

    protected $_timestamps = true;
    protected $_softdelete = true;

    const _properties = Array(
        'code',
        'name',
        'description',
        'state_id',
        'country_id',
    );

    protected $_ignore = Array(
        'state',
        'postals',
        'country'
    );

    const _listable = Array(
        'id',
        'name',
        'code',
        'state_id'
    );

    const _searchable = Array(
        'name',
        'code'
    );

    const _orderable = Array(
        'id',
        'code',
        'name'
    );

    function state(){
        return $this->belongsTo(State::class, 'state_id');
    }

    function country(){
        return $this->belongsTo(Country::class, 'country_id');
    }

    function postal(){
        return $this->hasMany(Postal::class, 'city_id');
    }

}