book_admin/application/common/model/GuideWx.php

<?php

namespace app\common\model;

use app\common\library\Redis;
use think\Model;

class GuideWx extends Model
{
    // 表名
    protected $table = 'guide_wx';
    
    // 自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';

    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    
    // 追加属性
    protected $append = [
        'state_text'
    ];
    

    
    public function getStateList()
    {
        return ['1' => __('开启'),'0' => __('关闭')];
    }

    /**
     * 随机返回一个导粉二维码图片
     * @param $admin_id
     * @return null|string
     */
    public function getGw($admin_id){
        $redis = Redis::instance();
        $key = 'GW:'.$admin_id;
        $gwRes = $redis->srandmember($key);
        if($redis->exists($key) && !empty($gwRes)){
            return json_decode($gwRes,true) ?:$gwRes; //随机返回一个元素
        }else{
            if($redis->exists($key) && empty($gwRes)){ //此处判断如果渠道商没有设置导粉号
                return null;
            }else{
                $result = $this->where(['admin_id'=>$admin_id,'state'=>'1'])->select();
                if($result){
                    $redis->del($key);
                    foreach($result as $val){
                        $redis->sadd($key,json_encode($val,JSON_UNESCAPED_UNICODE));
                    }
                    $redis->expire($key,86400*2);
                    $gwRes = $redis->srandmember($key);
                    return json_decode($gwRes,true) ?:$gwRes; //随机返回一个元素
                }else{
                    $redis->sadd($key,'');
                    $redis->expire($key,86400*2);
                }
            }
            return null;
        }
    }


    public function getStateTextAttr($value, $data)
    {        
        $value = $value ? $value : $data['state'];
        $list = $this->getStateList();
        return isset($list[$value]) ? $list[$value] : '';
    }




}