<?php

// +----------------------------------------------------------------------
// | EasyAdmin
// +----------------------------------------------------------------------
// | PHP交流群: 763822524
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// | 开源协议  https://mit-license.org 
// +----------------------------------------------------------------------
// | github开源项目：https://github.com/zhongshaofa/EasyAdmin
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namespace app\common\service;

use app\common\model\AddressModel;
use utils\RedisCache;

/**
 * 地址管理 by wes
 * Class AddressService
 * @package app\common\service
 */
class AddressService
{
    protected static $instance = null;
    protected $model = null;

    public function __construct()
    {
        $this->model = new AddressModel();
    }

    /**
     * 静态化入口
     * @return static|null
     */
    public static function make()
    {
        if(!self::$instance){
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * 获取列表
     * @param $sid 上级ID
     * @return array|mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getListByParent($sid)
    {
        $cacheKey = "caches:address:list_{$sid}";
        $data = RedisCache::get($cacheKey);
        if($data){
            return $data;
        }
        $data = $this->model->where(['pid'=> $sid])->field('id,name,first,pinyin')->select();
        $data = $data? $data->toArray():[];
        if($data){
            RedisCache::set($cacheKey, $data, rand(5,10));
        }

        return $data;
    }


}