lachang/app/store/model/groupbuy/GroupBuyJoin.php

<?php
// +----------------------------------------------------------------------
// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017~2021 https://www.yiovo.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
// +----------------------------------------------------------------------
// | Author: 萤火科技 <admin@yiovo.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace app\store\model\groupbuy;

use app\common\model\groupbuy\GroupBuyJoin as GroupBuyJoinModel;
use app\common\library\helper;


/**
 * 拼团发起模型
 * Class Coupon
 * @package app\store\model
 */
class GroupBuyJoin extends GroupBuyJoinModel
{
    protected $append = [];

    /**
     * @param $activityId
     * @return \think\Paginator
     * @throws \think\db\exception\DbException
     */
    public function getList($activityId){
        return self::alias('gj')->leftJoin('user us','gj.user_id=us.user_id')
            ->field('us.nick_name,gj.id,gj.group_buy_activity_id,gj.people_count,gj.end_time,gj.status,gj.user_id,
            gj.share_title,gj.create_time,(select count(id) from yoshop_group_buy_activity_help where join_id=gj.id and 
            pay_state=1 and order_id >=0) as help_count')
            ->where('gj.group_buy_activity_id',$activityId)
            ->where('gj.status','<>',3)
            ->paginate(15);
    }

    /**
     * 活动参团人数
     * @param $activityId
     * @return int
     */
    public function sumActHelpCount($activityId){
        return self::where('group_buy_activity_id',$activityId)->sum('help_count');
    }

    /**
     * 活动拼团数
     * @param $activityId
     * @return int
     */
    public static function countActJoin($activityId){
        return self::where('group_buy_activity_id',$activityId)->where('status','<',3)
            ->count('id');
    }
}