<?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)
            ->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']);
        }

        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'])
        ];

    }


}