dlh_test_server/app/api/logic/GroupBuyLogic.php

<?php

namespace app\api\logic;

use app\common\basics\Logic;
use app\common\model\groupbuy\GroupbuyGoods;
use app\common\server\UrlServer;

class GroupBuyLogic extends Logic
{

    /**
     * @param $get
     * @return array
     * 抢购商品列表
     */
    public static function getGroupBuyGoods($get):array
    {
        $where = [
            'gu.del'=>'1',
            'gu.status'=> '1'
        ];

        $field = 'gu.*,g.id as goods_id,g.name as goods_name,g.image as goods_image,g.min_price as goods_min_price';

        //查询抢购商品
        $lists = GroupbuyGoods::alias('gu')
            ->leftJoin('goods g', 'g.id=gu.goods_id')
            ->group('g.id')
            ->field($field)
            ->where($where)
            ->order("gu.activity_price asc")
            ->select()
            ->toArray();

        //分页处理
        $count = count($lists);
        $index = ($get['page_no']-1) * $get['page_size'];
        $lists = array_slice($lists, $index, $get['page_size']);

        //处理列表数据
        foreach($lists as &$item) {
            // 图片加域名
            $item['goods_image'] = UrlServer::getFileUrl($item['goods_image']);

        }
        $lists = [];
        return [
            'count' => $count,
            'lists' => $lists,
            'page_no' => $get['page_no'],
            'page_size' => $get['page_size'],
            'more' => is_more($count, $get['page_no'], $get['page_size']),
            'rule'=>'抢购规则：<br/>
                    1、抢购活动时间：10月1号至10月7号；<br/>
                    2、抢购场次：活动期内每天上午12点及晚上8点各一场，抢完即止；<br/>
                    3、抢购权限：活动期间内每人及每个身份证只能抢购一次；<br/>
                    4、确认抢购成功条件：以付款成功为确认抢购成功；抢购成功后5分钟内不支付款项的，则视为放弃。<br/>
                    5、抢购活动产生的订单也参与平台消费返补活动；<br/>
                    6、所有抢购成功并支付款项的，对应抢购商品统一于节后全部发出，运费自付！<br/>
                    7、抢购商品，非质量问题，不接受退货！'
        ];

    }

    public static function isGroupbuy($item_id){

        $where = [
            'item_id'=>$item_id,
            'status'=>1,
            'del'=>1
        ];
        $groupBuy = GroupbuyGoods::where($where)->find();

        return $groupBuy;

    }


}