lachang/app/store/model/groupbuylb/GroupBuyLbCoupon.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\groupbuylb;

use app\common\model\groupbuylb\GroupBuyLbCoupon as GroupBuyLbCouponModel;
use app\common\model\Coupon;


/**
 * 拼团裂变优惠券模型
 * Class Coupon
 * @package app\store\model
 */
class GroupBuyLbCoupon extends GroupBuyLbCouponModel
{
    
      protected $append = ['model'];

      public function getModelAttr($value=''){
            return '1';
          
      }

    //关联
     public function coupon(){
        return $this->belongsTo(Coupon::class,'coupon_id','coupon_id');
    }


    /**
     * 新增活动的商品
     * @param $activityId
     * @param $data
     */
    public function add($activityId, $data)
    {
        // 先删除全部
        static::deleteAll(['group_buy_lb_activity_id' => $activityId]);
        if (!empty($data)) {
            // 添加
            $dataset = [];
            foreach ($data as $item) {
                // 优惠券信息
                $dataset[] = [
                    'group_buy_activity_id' => $activityId,
                    'coupon_id' => $item,
                ];
            }
            (new static)->addAll($dataset);
        }
    }

   
}