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;
use app\common\model\groupbuy\GroupbuyConfig;

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']);
        }

        $data = GroupbuyConfig::select();
        $config = array();
        if (!empty($data)) {
            $result = $data->toArray();
            foreach ($result as &$v) {
                if ($v['name'] == 'end_time') {
                    $v['value'] = strtotime($v['value']);
                }

                if ($v['name'] == 'service' && $v['value']) {
                    $v['value'] = explode(',', $v['value']);
                }

                $config[$v['name']] = $v['value'];
            }
        }

        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']),
            'config' => $config,
        ];
    }

    public static function isGroupbuy($item_id){

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

        return $groupBuy;

    }
}