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

<?php

namespace app\common\model\groupbuy;

use app\common\model\BaseModel;
use app\common\model\Goods;
use think\facade\Log;
use app\common\model\groupbuy\GroupBuyHelp;


/**
 * 拼团发起模型
 * @package app\store\model\coupon
 */
class GroupBuyJoin extends BaseModel
{
    protected $name = 'group_buy_activity_join';

    // 定义主键
    protected $pk = 'id';

    protected $append = ['fmt_end_time','hc_count'];

    public function getFmtEndTimeAttr(){
        $v = strtotime($this->end_time)-time();
        if($v>=0){
            return $v;
        }
        return 0;
    }

    /**
     * 一对多关联表
     */
    public function help(){
        return $this->hasMany('GroupBuyHelp', 'join_id')->where('pay_state','in',[0,1])
            ->where('has_canceled',0)
            ->order('id', 'asc');
    }

    public function getHcCountAttr(){
        $v = $this->people_count - $this->help_count;
        if($v>=0){
            return $v;
        }
        return 0;
    }

     /**
     * 关联用户表
     * @return \think\model\relation\BelongsTo
     */
    public function user(){
        $module = self::getCalledModule();
        return $this->belongsTo("app\\{$module}\\model\\User");
    }



    private function addVirJoin($join_id,$user,$source=0){

    }

}