PHP實現簽到功能

1、表設計
    1)、主表
        CREATE TABLE `sign` (
          `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵自增',
          `uid` varchar(50) NOT NULL DEFAULT '0' COMMENT '用戶ID 唯一',
          `sign_count` int(11) NOT NULL DEFAULT '0' COMMENT '連續簽到次數',
          `last_time` int(11) NOT NULL DEFAULT '0' COMMENT '最近一次簽到時間',
          `create_time` int(11) NOT NULL DEFAULT '0' COMMENT '創建時間',
          PRIMARY KEY (`id`)
        ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='簽到主表';
    2)、詳情表
        CREATE TABLE `sign_detail` (
          `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主鍵自增',

          `uid` varchar(50) NOT NULL DEFAULT '0' COMMENT '用戶ID 唯一',

         `sign_time` int(11) NOT NULL DEFAULT '0' COMMENT '簽到時間', PRIMARY KEY (`id`) 

) 
ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='簽到詳情表';

//主表
                   $signinfo = Db::table('ims_ewei_shop_sign_user')->where('openid',$openid)->order('id','desc')->find();

if($signinfo)
{
    //連續簽到的次數

    $sign_count  = $signinfo['sign_count'];

    //最后簽到時間
    $last_time = date('Y-m-d',$signinfo['last_time']);

    $yesterday = date('Y-m-d',strtotime('-1 day'));    //昨天的日期格式 2019-12-12
    //總的簽到天數
    $sum = $signinfo ['sum'];


    if($last_time == date('Y-m-d'))
    {  //最后時間等於當前的時間，表示今天已經簽過
        return json(['code'=>200,'msg'=>'已經簽過到了!']);
    }else if( $last_time == $yesterday) //用戶昨天簽到，連續簽到次數加1,否者重置為0
    {   //最后簽到到的時間等於昨天的時間 ，表示是連續簽到  連續簽到的次數 $sign_count 加1，  最后簽到的時間不等於昨天的時間  表示不是連續簽到，連續簽到的字段 sign_count 重置為0
      
        $sign_count +=1;



    }else{

        $sign_count = 0;
    }

    $data = [


        'sign_count'  => $sign_count,
        'sum'         => $sum +=1,
        'last_time'   => time(),
        'signdate'    => time(),

    ];

    $sign_id = Db::table('ims_ewei_shop_sign_user')->where('openid',$openid)->update($data);

    if($sign_id)
    {
        //向詳情表入數據
        $param =[
            'uniacid' =>4,
            'time'    => time(),
            'openid'  => $openid,
            'credit'  => $signtime,
            'log'     => '日常簽到+'.$signtime,
            'type'    => 0,
            'day'     =>0,
        ];

        $detail = Db::table('ims_ewei_shop_sign_records')->insertGetId($param);

        if($detail){
            //更新用戶總的時間表
            $membertime = Db::table('ims_mc_members_times')->where('uid',$uid)->find();
            if($membertime)
            {
                $datamember = [

                    'time' => $membertime ['time'] + $signtime,
                    'update_time' => time(),
                ];

                $att = Db::table('ims_mc_members_times') ->where('uid',$uid)->update($datamember);

                if($att >0)
                {
                    $row = Db ::table('ims_ewei_shop_sign_records')->where('openid',$openid)->order('id','desc')->field('time,credit,log,openid')->find();

                    $signdate = date('Y-m-d',$row['time']);
                    $row['date'] = $signdate;

                    $datas ['code'] = 200;

                    $datas ['data'] = $row;



                    return json($datas);
                }
            }
        }
    }

}else{

       $data = [

            'uniacid'     => 4,
            'openid'      => $openid,
            'sign_count'  => 1,
            'sum'         => 1,
            'last_time'   => time(),
            'signdate'    => time(),

        ];

        $sign_id = Db::table('ims_ewei_shop_sign_user')->insertGetId($data);

        $result = $sign_id;

    if($result)
    {
        //向詳情表入數據
        $param =[
            'uniacid' =>4,
            'time'    => time(),
            'openid'  => $openid,
            'credit'  => $signtime,
            'log'     => '日常簽到+'.$signtime,
            'type'    => 0,
            'day'     =>0,
        ];

        $signDetail = Db::table('ims_ewei_shop_sign_records')->insertGetId($param);

        if($signDetail){
            //更新用戶總的時間表
            $membertime = Db::table('ims_mc_members_times')->where('uid',$uid)->find();
            if($membertime)
            {
                $datamember = [

                    'time' => $membertime ['time'] + $signtime,
                    'update_time' => time(),
                ];

                $att = Db::table('ims_mc_members_times') ->where('uid',$uid)->update($datamember);

                if($att >0)
                {
                    $res = Db ::table('ims_ewei_shop_sign_records')->where('openid',$openid)->order('id','desc')->field('time,credit,log,openid')->find();

                    $signdate = date('Y-m-d',$res['time']);
                    $res['date'] = $signdate;

                    $data ['code'] = 200;

                    $data ['data'] = $res;



                    return json($data);
                }
            }
        }

    }else{

        return json(['code' => 100,'msg'=>'簽到失敗']);
    }
}