xyzshop/helper/refill/util.php

<?php

namespace refill;

require_once(BASE_HELPER_PATH . '/mtopcard/mtopcard.php');
require_once(BASE_HELPER_PATH . '/queue/rdispatcher.php');
require_once(BASE_HELPER_PATH . '/queue/monitor.php');
require_once(BASE_HELPER_PATH . '/refill/policy/rlock.php');

use queue;
use mtopcard;
use Log;
use Exception;
use Cache;
use QueueClient;
use refill;
use trans_wapper;

class util
{
    const ThirdRefillAmount = 100;

    static function make_mobile()
    {
        static $prefix = ["139", "138", "137", "136", "135", "134", "159", "158", "157", "150", "151", "152",
            "188", "187", "182", "183", "184", "178", "130", "131", "132", "156", "155", "186", "185",
            "176", "133", "153", "189", "180", "181", "177"];

        $pos = mt_rand(0, count($prefix) - 1);
        $no = "{$prefix[$pos]}" . mt_rand(10000000, 99999999);

        return $no;
    }

    public static function can_refill($card_no, $card_type)
    {
        if ($card_type == mtopcard\SinopecCard || $card_type == mtopcard\PetroChinaCard) {
            $result = rcache('card_expired', '', "{$card_no}");
            if (empty($result)) {
                wcache("card_expired", [$card_no => time()], '');
                return [true, 0];
            } else {
                $latest = current($result);
                $cur = time();
                $success = ($cur - $latest) > 2;

                if ($success) {
                    wcache("card_expired", [$card_no => time()], '');
                }

                return [$success, $latest + 2 - $cur];
            }
        } else {
            return [true, 0];
        }
    }

    public static function can_commit($card_no, $card_type)
    {
        if ($card_type == mtopcard\SinopecCard || $card_type == mtopcard\PetroChinaCard)
        {
            $result = rcache('card_expired', '', "{$card_no}");
            if (empty($result)) {
                wcache("card_expired", [$card_no => time()], '');
                return [true, 0];
            }
            else
            {
                $latest = current($result);
                $cur = time();
                $lowest = 30;
                if ($cur > $latest && ($cur - $latest) >= $lowest) {
                    wcache("card_expired", [$card_no => time()], '');
                    return [true, 0];
                } else {
                    wcache("card_expired", [$card_no => $latest + $lowest], '');
                    return [false, $latest + $lowest - $cur];
                }
            }
        }
        else {
            return [true, 0];
        }
    }

    static function write_card($card_no, $card_type,$bind_phone)
    {
        if(empty($bind_phone)) {
            return false;
        }

        if ($card_type !== mtopcard\SinopecCard && $card_type !== mtopcard\PetroChinaCard) {
            return false;
        }

        $mobile_types = [mtopcard\ChinaMobileCard,mtopcard\ChinaUnicomCard,mtopcard\ChinaTelecomCard];
        $ctype = mtopcard\simple_card_type($bind_phone);

        if (!in_array($ctype,$mobile_types)) {
            return false;
        }

        $mod_topcard = Model('topcard');
        $ret = $mod_topcard->get_card($card_no);
        if (empty($ret)) {
            $mod_topcard->add($card_no, $card_type, time(), $bind_phone);
        } else {
            $mod_topcard->edit($card_no,$bind_phone);
        }

        dcache($card_no, 'cardrefill-');
        return true;
    }

    static function read_card($card_no, $card_type = 0)
    {
        if (empty($card_no)) return false;

        $data = rcache($card_no, 'cardrefill-');
        if (empty($data)) {
            $mod_topcard = Model('topcard');
            $ret = $mod_topcard->get_card($card_no);
            if (empty($ret)) {
                if ($card_type === 0) {
                    $card_type = mtopcard\card_type($card_no,$regin_no);
                }
                $bind_phone = util::make_mobile();
                $mod_topcard->add($card_no, $card_type, time(), $bind_phone);

                $data['bind_phone'] = $bind_phone;
                $data['refill_time'] = time();
                $data['times'] = 0;
                $data['black_card'] = 0;

                wcache($card_no, $data, 'cardrefill-');
            } else {
                $val = $ret[0];

                $data['bind_phone'] = $val['bind_phone'];
                $data['black_card'] = $val['black_card'];
                $data['refill_time'] = time();
                $data['times'] = 0;
            }
        }

        //之前没加black_card处理，这个字段不存在.
        if (!array_key_exists('black_card', $data)) {
            $data['black_card'] = 0;
        }

        return $data;
    }

    static function inc_card($card_no, $card_info)
    {
        $card_info['times'] += 1;
        $card_info['refill_time'] = time();
        wcache($card_no, $card_info, 'cardrefill-');
    }

    public static function del_card($card_no)
    {
        dcache($card_no, 'cardrefill-');
    }

    public static function set_black($card_no)
    {
        if (empty($card_no)) return false;

        $card_info = util::read_card($card_no);
        if (!empty($card_info)) {
            $card_info['black_card'] = 1;
            $mod_topcard = Model('topcard');
            $mod_topcard->table('topcard')->where(['card_no' => $card_no])->update(['black_card' => 1]);
            wcache($card_no, $card_info, 'cardrefill-');

            return true;
        } else {
            return false;
        }
    }

    private static function black_order($order_sn, $msg)
    {
        static $errMsgs = ["只能给主卡且卡状态正常的加油卡充值", "加油卡卡号错误或不支持"];

        if (empty($msg)) return false;

        if (in_array($msg, $errMsgs)) {

            $refill = Model('refill_order');
            $order = $refill->getOrderInfo(['order_sn' => $order_sn]);

            if (empty($order)) return false;

            $card_no = $order['card_no'];
            return util::set_black($card_no);
        }
    }

    public static function black_from_log($file_name)
    {
        $fn = fopen($file_name, "r");
        if (empty($fn)) {
            Log::record("Open File {$file_name} error.", Log::ERR);
            return false;
        } else {
            Log::record("{$file_name} start woring", Log::DEBUG);
        }

        $errs = [];
        while (!feof($fn)) {
            $line = trim(fgets($fn));
            $ret = preg_match('/[\w\W]+"channelOrderNumber":"(?P<order_sn>[^"]+)"[\w\W]+"message":"(?P<message>[\x{4e00}-\x{9fa5}]+)"[\w\W]+"status":109/u', $line, $matches);
            if ($ret) {
                $order_sn = $matches['order_sn'];
                $message = $matches['message'];

                self::black_order($order_sn, $message);

                $errs[$message] = empty($errs[$message]) ? 1 : $errs[$message] + 1;
            }
        }

        foreach ($errs as $msg => $count) {
            Log::record("msg:{$msg} count:{$count}", Log::DEBUG);
        }

        fclose($fn);

        return true;
    }

    public static function async_add($params, $period = 10)
    {
        try {
            QueueClient::async_push("AysncAddDispatcher", ['method' => 'add', 'params' => $params], $period);
            return true;
        } catch (Exception $ex) {
            return false;
        }
    }

    public static function async_notify($chname,$data, $period)
    {
        try {
            QueueClient::async_push("AysncAddDispatcher", ['method' => 'notify', 'params' => ['channel' => $chname, 'params' => $data]], $period);
            return true;
        } catch (Exception $ex) {
            return false;
        }
    }

    public static function push_add($params)
    {
        try
        {
            $ret = self::push_queue('add', $params);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_add_zero($params)
    {
        try
        {
            $ret = self::push_queue('add_zero', $params);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_addthird($params)
    {
        try
        {
            $ret = self::push_queue('addthird', $params);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_notify($chname, $params)
    {
        try
        {
            $ret = self::push_queue('notify', ['channel' => $chname, 'params' => $params]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_notify_merchant($order_id, $manual)
    {
        try
        {
            $ret = self::push_queue('notify_mechant', ['order_id' => $order_id, 'manual' => $manual]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_query($order_id)
    {
        try
        {
            $ret = self::push_queue('query', ['order_id' => $order_id]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_query_net($order_id)
    {
        try {
            $ret = self::push_queue('query_net', ['order_id' => $order_id]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function manual_success($order_id)
    {
        try
        {
            $ret = self::push_queue('manual_success', ['order_id' => $order_id]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function manual_cancel($order_id)
    {
        try
        {
            $ret = self::push_queue('manual_cancel', ['order_id' => $order_id]);
            return $ret !== false;
        }
        catch (Exception $ex) {
            return false;
        }
    }

    public static function push_queue($method, $value)
    {
        if (defined('USE_COROUTINE') && USE_COROUTINE && defined('COROUTINE_HOOK_TCP') && COROUTINE_HOOK_TCP) {
            $queue_name = 'QUEUE_DISPATCHER_CO';
            $ins = Cache::getInstance('cacheredis');
            return $ins->lpush($queue_name, serialize([$method => $value]));
        }
        else {
            return queue\DispatcherClient::instance()->push($method,$value);
        }
    }

    public static function dispatcher_queue_length()
    {
        $ins = Cache::getInstance('cacheredis');
        return $ins->lLen('QUEUE_DISPATCHER_CO');
    }

    public static function monitor_queue_length()
    {
        $ins = Cache::getInstance('cacheredis');
        return $ins->lLen('REFILL_MONITOR_QUEUE');
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function monitor_submit($mchid, $spec, $card_type, $mch_amount, $time)
    {
        $time = intval($time);
        queue\MonitorClient::instance()->onSubmit($mchid,$time,$spec,$card_type,$mch_amount);
    }

    public static function monitor_callback($mchid,$spec,$card_type,$mch_amount,$channel_amount,$succ,$time)
    {
        queue\MonitorClient::instance()->onCallback($mchid,$time,$spec,$card_type,floatval($mch_amount),floatval($channel_amount),$succ);
    }

    public static function monitor_netchk($chname,$succ)
    {
        queue\MonitorClient::instance()->onNetCheck($chname, time(),$succ);
    }

    public static function monitor_commit($chname, $spec, $card_type, $channel_amount,$commit_time)
    {
        queue\MonitorClient::instance()->onCommit($chname, $commit_time, $spec, $card_type, $channel_amount);
    }

    public static function monitor_notify($chname, $spec, $card_type, $channel_amount, $period, $succ,$commit_time,$mch_amount)
    {
        if ($succ) {
            $mch_amount = floatval($mch_amount);
        } else {
            $mch_amount = 0;
        }
        queue\MonitorClient::instance()->onNotify($chname, $commit_time, $spec, $card_type, floatval($channel_amount), $period, $succ,$mch_amount);
    }
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function set_order_channels($mchid,$mchorder,$datas)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_channels';
        $key = "{$mchid}-{$mchorder}";
        $ins->hset($name, '', [$key => serialize($datas)]);
    }

    public static function get_order_channels($mchid, $mchorder)
    {
        //old-name oil_exclude_channels
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_channels';
        $key = "{$mchid}-{$mchorder}";

        $chnames = $ins->hget($name, '', $key);
        $chnames = unserialize($chnames);

        if(is_array($chnames)) {
            return $chnames;
        } else {
            return [];
        }
    }

    public static function del_order_channels($mchid, $mchorder)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_channels';
        $key = "{$mchid}-{$mchorder}";

        $ins->hdel($name, '', $key);
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function set_cancel_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_cancel_hash';
        $key = "{$mchid}-{$mch_order}";

        $ins->hset($name, '', [$key=> 1]);
    }

    public static function query_cancel_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_cancel_hash';
        $key = "{$mchid}-{$mch_order}";

        $value = $ins->hget($name,'',$key);
        return $value;
    }

    public static function del_cancel_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_cancel_hash';
        $key = "{$mchid}-{$mch_order}";

        $ins->hdel($name, $key);
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function set_next_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_next_hash';
        $key = "{$mchid}-{$mch_order}";

        $ins->hset($name, '', [$key=> 1]);
    }

    public static function query_next_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_next_hash';
        $key = "{$mchid}-{$mch_order}";

        $value = $ins->hget($name,'',$key);
        return $value;
    }

    public static function del_next_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');
        $name = 'order_success_hash';
        $key = "{$mchid}-{$mch_order}";

        $ins->hdel($name, $key);
    }
    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function merchant_debt_stoped($mchid)
    {
        if($mchid > 0)
        {
            $ret = rcache('merchant-debt-judge', 'refill-',"{$mchid}");
            if(empty($ret)) {
                return false;
            }

            $stoped = intval($ret[$mchid]);
            return ($stoped === 1);
        }
        else {
            return false;
        }
    }

    ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    public static function push_queue_order($mchid,$mch_order,$order_state)
    {
        if(empty($mch_order)) return;
        $ins = Cache::getInstance('cacheredis');

        $name = 'merchant_order_query';
        $key = "{$mchid}-{$mch_order}";
        $ins->hset($name, '', [$key => $order_state]);
    }

    public static function del_queue_order($mchid,$mch_order)
    {
        if(empty($mch_order)) return;
        $ins = Cache::getInstance('cacheredis');

        $name = 'merchant_order_query';
        $key = "{$mchid}-{$mch_order}";
        $ret = $ins->hdel($name, '', $key);
    }

    public static function pop_queue_order($mchid,$mch_order,$order_time = 0)
    {
        util::del_order_channels($mchid,$mch_order);
        Model('refill_order')->partition(util::part_refill($order_time))->edit_detail($mchid,$mch_order,['order_state' => ORDER_STATE_HANDLED]);
        $ins = Cache::getInstance('cacheredis');

        $name = 'merchant_order_query';
        $key = "{$mchid}-{$mch_order}";
        $ret = $ins->hdel($name, '', $key);
    }

    public static function query_queue_order($mchid,$mch_order)
    {
        $ins = Cache::getInstance('cacheredis');

        $name = 'merchant_order_query';
        $key = "{$mchid}-{$mch_order}";
        $value = $ins->hget($name,'',$key);
        return $value;
    }

    public static function need_check($net_errno)
    {
        if(empty($net_errno)) return false;

        [$type,$code] = explode('-',$net_errno);
        $code = intval($code);

        if($type == "CURL") {
            static $errors = [CURLE_GOT_NOTHING,CURLE_RECV_ERROR];
            return in_array($code,$errors);
        } elseif($type == "HTTP") {
            static $excludes = [404];
            return !in_array($code,$excludes);
        } else {
            return false;
        }
    }

    public static function order_errflag($net_errno) {
        return ($net_errno === 'ORDER_CREATE_FAIL');
    }

    public static function onOrderSuccess($refill_info,$order_info)
    {
        $data = store_member::instance()->get_member($order_info['store_id']);
        if(empty($data)) {
            Log::record("cannot find member when store_id={$order_info['store_id']}",Log::ERR);
            return false;
        }
        $data['order_sn'] = $refill_info['order_sn'];
        $data['amount'] = $refill_info['channel_amount'];
        $model_pd = Model('predeposit');
        $model_pd->changePd('order_pay',$data,true);
        return true;
    }

    public static function getProvider($name,$type = 'RefillPhone')
    {
        $file = BASE_HELPER_RAPI_PATH . "/$name/{$type}.php";
        if(!file_exists($file)){
            Log::record("provider api file={$file} not exist.",Log::DEBUG);
            return false;
        } else {
            require_once($file);
            Log::record("file={$file} load success.",Log::DEBUG);
        }

        $class_name = "refill\\{$name}\\{$type}";
        if (class_exists($class_name, false)) {
            $caller = new $class_name([]);
            return $caller;
        } else {
            $error = "Base Error: class {$class_name} isn't exists!";
            Log::record($error, Log::ERR);
            return false;
        }
    }

    public static function xmlToArray($xml)
    {
        $object = simplexml_load_string($xml);
        $val = json_decode(json_encode($object), true);

        $msg = json_encode($val);
        Log::record("xmlToArray result={$msg}", Log::DEBUG);

        return $val;
    }
    
    //for tester
    public static function send_normal($order_sn)
    {
        $status = mt_rand(1,100);
        if($status > 97) {
            $status = 1;
        } else {
            $status = 0;
        }
        $url = BASE_SITE_URL . "/mobile/callback/refill_baidu.php";
        go(function () use ($url, $status,$order_sn)
        {
            sleep(3);
            while (true)
            {
                $resp = http_request($url,['status' => $status,'order_sn' => $order_sn],'GET', false, [], $net_errno);
                if($resp == 'SUCCESS') {
                    break;
                }
            }

            Log::record("resp = {$resp}",Log::DEBUG);
        });
    }

    public static function send_quick($order_sn)
    {
        $status = mt_rand(1,10);
        if($status > 3) {
            $status = 1;
        } else {
            $status = 0;
        }

        $url = BASE_SITE_URL . "/mobile/callback/refill_baidu.php";
        go(function () use ($url, $status,$order_sn) 
        {
            sleep(3);
            while (true)
            {
                $resp = http_request($url,['status' => $status,'order_sn' => $order_sn],'GET', false, [], $net_errno);
                if($resp == 'SUCCESS') {
                    break;
                }
            }

            Log::record("resp = {$resp}",Log::DEBUG);
        });
    }

    public static function retry_canceled_order($order_id, $skip)
    {
        $mod_order = Model('vr_order');
        $mod_refill = Model('refill_order');

        $order_info = $mod_order->getOrderInfo(['order_id' => $order_id]);
        $refill_info = $mod_refill->getOrderInfo(['order_id' => $order_id,'inner_status' => 0]);

        if(empty($refill_info) || empty($order_info)) {
            return [false,'无此订单或者订单已经重试中了...'];
        }

        $tran = new trans_wapper($mod_order,'notify change order state trans');

        try
        {
            $order_info = $mod_order->getOrderInfo(['order_id' => $order_id], '*', true, true);
            $refill_info = $mod_refill->getOrderInfo(['order_id' => $order_id, 'inner_status' => 0], '*', true, true);

            $order_state = intval($order_info['order_state']);
            if(empty($refill_info) || $refill_info['is_retrying'] == 1 || $order_state != ORDER_STATE_CANCEL) {
                $tran->commit();
                return [false,'订单已经在重试'];
            }

            $mod_refill->edit($order_id, ['is_retrying' => 1]);
            $tran->commit();

            $order = refill\order::from_db($refill_info,$order_info);
            $params = $order->queue_params();
            $params['order_time'] = time();

            if ($skip) {
                $mchid = $refill_info['mchid'];
                $mch_order = $refill_info['mch_order'];
                refill\util::set_next_order($mchid, $mch_order);
            }

            if(util::push_add($params)) {
                return [true,''];
            } else {
                return [false,'加入队列出错'];
            }
        }
        catch (Exception $ex) {
            $tran->rollback();
            Log::record($ex->getMessage(),Log::ERR);
            return [false,"{$ex->getMessage()}"];
        }
    }

    public static function transfer_success_order($order_id, $manual_recharge_amount)
    {
        $mod_order = Model('vr_order');
        $mod_refill = Model('refill_order');

        $order_info = $mod_order->getOrderInfo(['order_id' => $order_id]);
        $refill_info = $mod_refill->getOrderInfo(['order_id' => $order_id,'inner_status' => 0]);

        if(empty($refill_info) || empty($order_info)) {
            return [false,'无此订单'];
        }

        $tran = new trans_wapper($mod_order,'notify change order state trans');

        try
        {
            $order_info = $mod_order->getOrderInfo(['order_id' => $order_id], '*', true, true);
            $refill_info = $mod_refill->getOrderInfo(['order_id' => $order_id, 'inner_status' => 0], '*', true, true);

            $order_state = intval($order_info['order_state']);
            if(empty($refill_info) || $refill_info['is_retrying'] == 1 || $order_state != ORDER_STATE_CANCEL) {
                $tran->commit();
                return [false,'订单已经在重试'];
            }

            $mod_refill->edit($order_id, ['is_retrying' => 1]);
            $order = refill\order::from_db($refill_info,$order_info);
            $mchid = $order->mchid();

            [$success,$success_order_id,$errmsg] = refill\RefillFactory::instance()->success_order($order);
            if(!$success) {
                $tran->rollback();
                return [false, $errmsg];
            }

            $mod_refill->edit($success_order_id, ['mch_notify_state' => 1, 'mch_notify_times' => ['exp', 'mch_notify_times+1']]);
            $mod_refill->edit($order_id, ['is_retrying' => 0]);
            if($manual_recharge_amount > 0) {
                $mod_refill->edit($success_order_id, ['channel_amount' => $manual_recharge_amount]);
            }
            $tran->commit();
            return [true,''];
        }
        catch (Exception $ex) {
            $tran->rollback();
            Log::record($ex->getMessage(),Log::ERR);
            return [false,"{$ex->getMessage()}"];
        }
    }

    public static function vr_order_part()
    {
        $miner = function ($time) {
            return strtotime(date('Y-m-d',$time)) - 86400 * 15;
        };
        $maxer = function ($time) {
            return $time + 3600;
        };
        $now = time();

        return [['egt', $miner($now)], ['elt', $maxer($now)], 'and'];
    }

    public static function refill_order_part($order_time = 0)
    {
        $miner = function ($time) {
            return strtotime(date('Y-m-d',$time)) - 86400 * 15;
        };
        $maxer = function ($time) {
            return $time + 3600;
        };

        if($order_time == 0)
        {
            $now = time();
            return [['egt', $miner($now)], ['elt', $maxer($now)], 'and'];
        } else {
            return $order_time;
        }
    }

    private static function part_calc($time, $sub_period, $add_period)
    {
        //查询30天的订单
        $miner = function ($time) use($sub_period) {
            return strtotime(date('Y-m-d', $time)) - $sub_period;
        };
        $maxer = function ($time) use($add_period) {
            return $time + $add_period;
        };
        $namer = function ($time) {
            return 'p'.date('Ym', $time);
        };

        if (defined('DB_PARTIONED') && DB_PARTIONED)
        {
            if(is_string($time)) {
                $time = intval($time);
            }

            if($time == 0)
            {
                $now = time();
                $a = $namer($miner($now));
                $b = $namer($maxer($now));

                if($a != $b) {
                    return [$a,$b];
                } else {
                    return $a;
                }
            }
            else {
                return $namer($time);
            }
        }
        else {
            return '';
        }
    }

    public static function part_query($order_time = 0)
    {
        return self::part_calc($order_time, 86400 * 30, 3600);
    }

    public static function part_notify()
    {
        return self::part_calc(0, 86400 * 7, 3600);
    }

    public static function part_refill($order_time)
    {
        return self::part_calc($order_time, 86400 * 2, 3600);
    }

    public static function part_vr_order($add_time)
    {
        return self::part_calc($add_time, 86400 * 2, 3600);
    }

    public static function part_vr_order_time($order_time)
    {
        $namer = function ($time) {
            return 'p'.date('Ym', $time);
        };

        if (defined('DB_PARTIONED') && DB_PARTIONED)
        {
            if(is_string($order_time)) {
                $order_time = intval($order_time);
            }

            if ($order_time == 0) {
                return '';
            }
            else
            {
                $a = $namer($order_time);
                $b = $namer(time() + 3600);
                if ($a == $b) {
                    return $a;
                } else {
                    return [$a, $b];
                }
            }
        }
        else {
            return '';
        }
    }

    public static function part_vr_create()
    {
        return self::part_calc(0, 3600, 3600);
    }

    public static function calc_part($time = 0)
    {
        return self::part_calc($time, 86400 * 15, 3600);
    }
}