134 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			134 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			PHP
		
	
	
<?php
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// +----------------------------------------------------------------------
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// | likeshop开源商城系统
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// +----------------------------------------------------------------------
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// | 欢迎阅读学习系统程序代码,建议反馈是我们前进的动力
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// | gitee下载:https://gitee.com/likeshop_gitee
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// | github下载:https://github.com/likeshop-github
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// | 访问官网:https://www.likeshop.cn
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// | 访问社区:https://home.likeshop.cn
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// | 访问手册:http://doc.likeshop.cn
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// | 微信公众号:likeshop技术社区
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// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用,未经许可不能去除前后端官方版权标识
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// |  likeshop系列产品收费版本务必购买商业授权,购买去版权授权后,方可去除前后端官方版权标识
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// | 禁止对系统程序代码以任何目的,任何形式的再发布
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// | likeshop团队版权所有并拥有最终解释权
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// +----------------------------------------------------------------------
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// | author: likeshop.cn.team
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// +----------------------------------------------------------------------
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namespace app\api\logic;
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use app\common\server\ConfigServer;
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use app\common\server\UrlServer;
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use think\facade\Db;
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class SeckillLogic{
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    public static function seckillTime(){
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        $time_list = Db::name('seckill_time')
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            ->where(['del'=>0])
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            ->order('start_time asc')
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            ->field('id,start_time,end_time')
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            ->select();
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        $now = time();
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        foreach ($time_list as &$item){
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            $item['status'] = 2;
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            $item['tips'] = '';
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            $start_time = strtotime(date('Y-m-d'.$item['start_time']));
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            $end_time = strtotime(date('Y-m-d'.$item['end_time']));
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            if($now >= $end_time ){
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                $item['tips'] = '已结束';
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            }
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            if($start_time <= $now && $now < $end_time){
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                $item['status'] = 1;
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                $item['tips'] = '抢购中';
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            }
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            if($start_time >= $now){
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                $item['tips'] = '未开始';
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                $item['status'] = 0;
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            }
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        }
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        return $time_list;
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    }
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    public static function seckillGoods($id,$page,$size){
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        $where[] = ['g.del','=',0];
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        $where[] = ['sg.del','=',0];
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        $where[] = ['g.status','=',1];
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        $where[] = ['sg.seckill_id','=',$id];
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        $goods_count =  Db::name('goods g')
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            ->join('seckill_goods sg','g.id = sg.goods_id')
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            ->group('sg.goods_id')
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            ->order('sg.sales_sum desc')
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            ->where($where)
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            ->count();
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        $goods_list =  Db::name('goods g')
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            ->join('seckill_goods sg','g.id = sg.goods_id')
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            ->where($where)
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            ->group('sg.goods_id')
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            ->order('sg.sales_sum,sg.id desc')
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            ->page($page,$size)
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            ->field('g.id,g.name,g.image,g.min_price,sg.price as seckill_price,sg.sales_sum')
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            ->select();
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        $default_image = UrlServer::getFileUrl(ConfigServer::get('website', 'goods_image', ''));
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        foreach ($goods_list as &$item){
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            // 传入默认商品主图
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            if(empty( $item['image'])) {
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                $item['image'] = $default_image;
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            }else{
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                $item['image'] = UrlServer::getFileUrl($item['image']);
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            }
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        }
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        $more = is_more($goods_count,$page,$size);  //是否有下一页
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        $data = [
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            'list'          => $goods_list,
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            'page'          => $page,
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            'size'          => $size,
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            'count'         => $goods_count,
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            'more'          => $more
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        ];
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        return $data;
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    }
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    //获取当前的秒杀时段
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    public static function getSeckill(){
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        $seckill_time = Db::name('seckill_time')
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            ->where(['del'=>0])
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            ->order('start_time asc')
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            ->field('id,start_time,end_time')
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            ->select();
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        $seckill = [];
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        $now = time();
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        foreach ($seckill_time as $item){
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            $start_time = strtotime(date('Y-m-d'.$item['start_time']));
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            $end_time = strtotime(date('Y-m-d'.$item['end_time']));
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            if($start_time <= $now && $now < $end_time){
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                $item['end_time'] = $end_time;
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                $seckill = $item;
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                break;
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            }
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        }
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        return $seckill;
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    }
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    //获取当前的秒杀信息和秒杀商品
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    public static function getSeckillGoods(){
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        $seckill = self::getSeckill();
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        $seckill_goods = [];
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        if($seckill){
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            $seckill_goods = Db::name('seckill_goods')
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                ->where(['seckill_id'=>$seckill['id'],'del'=>0])
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                ->column('id as seckill_goods_id,price,goods_id','item_id');
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        }
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        return ['seckill'=>$seckill,'seckill_goods'=>$seckill_goods];
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    }
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} |