liche/home/controllers/h5/Hongbao.php

<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Hongbao extends CI_Controller
{
    private $uid = 0;

    public function __construct()
    {
        parent::__construct();
        $this->load->model('bobing/bobing_logs_model', 'mdBobingLogs');
    }

    /**
     * Notes:
     * https://liche-dev.xiaoyu.com/h5/hongbao
     * https://www.liche.cn/h5/hongbao
     * Created on: 2021/8/26 11:19
     * Created by: dengbw
     */
    public function index()
    {
        $params = $this->input->get();
//        $params['uid'] = 14;
//        $params['id'] = 828932;
        $data = array('code' => 400, 'title' => '领取失败', 'msg' => '');
        if (!$params['id'] || !$params['uid']) {
            $data['msg'] = '参数错误!';
        } else {
            $this->uid = intval($params['uid']);
            $id = intval($params['id']);
            $re_l = $this->mdBobingLogs->get(array('id' => $id));
            if (!$re_l || $re_l['status'] == 0 || $re_l['hong_bao'] <= 0) {
                $data['msg'] = '条件不符合!';
            }
            if ($re_l['status'] == 2) {
                $data['msg'] = '您已领取过了!';
            }
            if ($re_l['cf_uid'] != $params['uid']) {
                $data['msg'] = 'uid错误!';
            }
            if (!$data['msg']) {
                $url = http_host_com('home') . "/h5/hongbao?id={$id}&uid={$this->uid}";
                $params['app_id'] = $re_l['app_id'];
                $params['cf_uid'] = $re_l['cf_uid'];
                $user = $this->set_auth($url, $params);
                //小红榜发红包
                if ($user['openid_kzh']) {
                    $sid = $this->create_order_no(350200);
                    //企业付款到零钱
                    //$re_l['hong_bao'] = 0.1;
                    $this->load->library('Transfers', array('app_id' => 3));//小红榜支付
                    $result = $this->transfers->sendMoney(array('partner_trade_no' => $sid, 'amount' => $re_l['hong_bao']
                    , 'openid' => $user['openid_kzh'], 'desc' => '狸车博饼红包', 're_user_name' => $user['nickname']));
                    $result['log_id'] = $id;
                    $result['log_uid'] = $this->uid;
                    debug_log("[info] " . __FUNCTION__ . "# result:" . json_encode($result, JSON_UNESCAPED_UNICODE), 'Hongbao.log');
                    if ($result['return_code'] == 'SUCCESS' && $result['result_code'] == 'SUCCESS') {//转帐成功
                        $this->mdBobingLogs->update(array('status' => 2), array('id' => $id));//设为已领取
                        $data['title'] = '领取成功';
                        $data['code'] = 200;
                        $data['msg'] = '￥' . $re_l['hong_bao'] . '元';
                    } else {
                        $data['msg'] = '转帐失败!';
                    }
                }
            }
        }
        $this->load->view('/h5/hongbao/index', $data);
    }

    /**
     * Notes:授权获取openid
     * Created on: 2021/8/26 14:26
     * Created by: dengbw
     * @param string $url
     * @param array $params
     * @return mixed
     */
    private function set_auth($url = '', $params = array())
    {
        if ("wx" == checkua()) {
            $this->load->service("app/user_service", array("app_id" => $params['app_id']));
            $re = $this->user_service->get(array('id' => $params['cf_uid']));
            if ($re['openid_kzh']) {//已经授权获取openid了
                return array('openid_kzh' => $re['openid_kzh'], 'nickname' => $re['nickname']);
            }
            $this->load->helper('url');
            $config['appid'] = 'wx0d3d21aec5001a8e';//小红榜授权
            $config['appSecret'] = '41f0721c343e00f284a60332fff991a3';
            $code = $params['code'];
            $auth = $params['auth'];//是否信息授权
            $auth = 0;
            $auth && $url .= "&auth={$auth}";
            if ($code) {//授权码获取微信信息
                $auth_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$config['appid']}&secret={$config['appSecret']}&code={$code}&grant_type=authorization_code";
                $res = file_get_contents($auth_url);
                $ret = json_decode($res, true);
                $openid = $ret['openid'];
                $unionid = $ret['unionid'];
                if ($openid) {
                    $this->user_service->update(array('openid_kzh' => $openid), array('id' => $params['cf_uid']));
                    return array('openid_kzh' => $openid, 'nickname' => $re['nickname']);
                }
            } elseif ($auth) {//信息授权获取用户微信昵称/头像
                $redirect_uri = urlencode($url);
                $auth_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$config['appid']}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect";
                redirect($auth_url);
            } else {//静默授权获取用户openid
                $redirect_uri = urlencode($url);
                $auth_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$config['appid']}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_base&state=STATE#wechat_redirect";
                redirect($auth_url);
            }
        }
    }

    private function create_order_no($city_id = 350200, $source = '', $pay_type = 1, $order_type = 1)
    {
        $source_id = sprintf("%02d", 0);
        return $city_id . $source_id . $pay_type . $order_type . date('Ymd') . sprintf("%06d", rand(1, 999999));
    }


    private function show_json($code, $msg)
    {
        $data['code'] = $code;
        $data['msg'] = $msg;
        die(json_encode($data, JSON_UNESCAPED_UNICODE));
    }
}