<?php

namespace app\model;

use think\Model;

class SysPermission extends Model
{
    protected $name = 'sys_permissions';
    protected $autoWriteTimestamp = true;
    protected $createTime = 'created_at';
    protected $updateTime = 'updated_at';

    public function children()
    {
        return $this->hasMany(self::class, 'parent_id')->order('sort_order')->order('id');
    }

    public function parent()
    {
        return $this->belongsTo(self::class, 'parent_id');
    }
}