<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use app\common\library\Email;
/**
 * 每日课时
 *
 * @icon fa fa-circle-o
 */
class Lessonslot extends Backend
{
    protected $noNeedLogin = ['vue_index','vue_staff','slot_add','slot_info','slot_edit','cancel'];

    /**
     * Lessonslot模型对象
     * @var \app\admin\model\Lessonslot
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Lessonslot;
        $this->view->assign("statusList", $this->model->getStatusList());
        $this->view->assign("noticeStatusList", $this->model->getNoticeStatusList());
        $this->view->assign("isShowList", $this->model->getIsShowList());
    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }

            //按周翻页
            $week_current = input('week_current','');
            if($week_current !== ''){
                $starttime = strtotime('this week Monday') + (86400*7*$week_current);
                $endtime   = $starttime + (86400*7);
                $where = ['lessonslot.starttime'=>['between',[$starttime,$endtime]]];
                $limit = 999999;
            }else{
                list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            }

            $list = $this->model
                    ->with(['coach','lesson','danceroom'])
                    ->where($where)
//                    ->order($sort, $order)
                    ->order('lessonslot.starttime desc,lessonslot.id desc')
//                    ->select(false);echo $list;exit;
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('coach')->visible(['nickname']);
				$row->getRelation('lesson')->visible(['name','name_en','type']);
				$row->getRelation('danceroom')->visible(['name','name_en']);
            }

            $items = $list->items();
            foreach($items as $key => $val){
                $items[$key]['week'] = date('l',$val['starttime']);
            }

            //上-周，本周，下-周
            if(empty($week_current)){$week_current = 0;}
            $this_week = 0;
            $last_week = $week_current-1;
            $next_week = $week_current+1;

            $extend = [
                'this_week'=>$this_week,
                'last_week'=>$last_week,
                'next_week'=>$next_week,
            ];

            $result = array("total" => $list->total(), "rows" => $items,'extend'=>$extend);

            return json($result);
        }
        return $this->view->fetch();
    }

    /**
     * 预约
     */
    public function booking(){
        $id = input('id');
        $info = Db::name('lesson_slot')->where('id',$id)->find();
        if(!$info){
            $this->error('请刷新重试');
        }
        if($info['status'] != 0){
            $this->error('当前课程不能预约');//状态:0=报名中,20=已点名,30=已取消
        }
        if($this->request->isPost()){
            $user_id = input('user_id',0,'intval');
            //来自接口
            $slot_id = input('slot_id',0,'intval');
            $number  = input('number',1,'intval');
            $remark  = input('remark','','trim');

            $packageorder_id = input('packageorder_id',0,'intval');
            $trylessonorder_id = input('trylessonorder_id',0,'intval');

            $params = $this->request->post('row/a');
            $paytype = $params['paytype'];//支付类型:1=课程套餐,4=试课单

            if($number <= 0){
                $this->error('预约人数错误');
            }
            if($paytype == 4){
                $number = 1; //试课只能选一个人
            }
            if(empty($packageorder_id) && empty($trylessonorder_id)){
                $this->error('请选择任意一种支付方式');
            }

            //课时
            $info = Db::name('lesson_slot')->alias('slot')
                ->field('slot.*,lesson.name,lesson.name_en,lesson.image,lesson.price,coach.nickname as coach_nickname,danceroom.name_en as danceroom_name_en')
                ->join('lesson','slot.lesson_id = lesson.id','LEFT')
                ->join('coach','slot.coach_ids = coach.id','LEFT')
                ->join('danceroom','slot.danceroom_id = danceroom.id','LEFT')
                ->where('slot.id',$slot_id)->where('slot.status',0)->find();
            if(empty($info)){
                $this->error('课程可能已取消,请刷新重试');
            }
            if($info['endtime'] < time()){
                $this->error('课程已经结束了,不能再进行预约');
            }

            //报名人数不能超限
            $pay_number = Db::name('lesson_order')->where('slot_id',$slot_id)->where('order_status',10)->sum('usernumber');
            $num_remain = $info['num_max'] - $pay_number;
            if($num_remain < 0){
                $num_remain = 0;
            }
            if($num_remain < $number){
                //$this->error(__('预约名额只剩N名',['number'=>$num_remain]));
            }

            $number_hours = bcmul($number,$info['hours'],1);//每日课时按小时扣
            $lesson_order = [
                'order_no' => createUniqueNo('S',$user_id),
                'user_id' => $user_id,
                'slot_id' => $slot_id,
                'lesson_id' => $info['lesson_id'],
                'order_amount' => bcmul($info['price'],$number,2),
                'order_status' => 0,
                'paytype' => $paytype, //支付类型:1=课程套餐,2=线上付款,3=购买套餐中,4=试课单
                'paytime' => 0,
                'createtime' => time(),
//            'updatetime' => ,
//            'finishtime' => ,
                'usernumber' => $number,
                'usernumber_hours' => $number_hours,
                'userremark' => $remark,
                'package_order_id' => 0,
                'package_remark' => '',//  比如：5/30，5-7/30
            ];

            //
            Db::startTrans();
            if($paytype == 1){
                //检查已选择套餐
                $map = [
                    'user_id' =>$user_id,

                    'endtime' => ['gt',time()],
                    'remain' => ['gt',0],
                    'order_status' => 1,
//                'use_status'   => 1, //已激活的
                    'id' => $packageorder_id,
                ];
                $package_order = Db::name('package_order')->where($map)->where('find_in_set(:lesson_ids,lesson_ids)', ['lesson_ids' => $info['lesson_id']])->lock(true)->find();
                if(!$package_order){
                    Db::rollback();
                    $this->error('配套信息不正确,请刷新重试');
                }

                //课时不足支撑报名人数
                if($package_order['remain'] < $number_hours){
                    Db::rollback();
                    $this->error('该配套余额不足,可以使用其他配套');
                }
                if($package_order['use_status'] != 1){
                    Db::rollback();
                    $this->error('该配套尚未激活');
                }

                //扣除一节
                $update = [
                    'remain'     => bcsub($package_order['remain'],$number_hours,1),
                    'updatetime' => time(),
                ];
                $rs1 = Db::name('package_order')->where('id',$packageorder_id)->update($update);
                if($rs1 === false){
                    Db::rollback();
                    $this->error('扣除套餐余额失败');
                }

                //修改预约单数据
                $lesson_order['order_amount'] = 0;
                $lesson_order['order_status'] = 10;
                $lesson_order['paytime'] = time();
                $lesson_order['package_order_id'] = $packageorder_id;

                $lesson_order['package_remark'] = ($package_order['sessions'] - $package_order['remain']) . '-' . ($package_order['sessions'] - $package_order['remain'] + $number_hours) .'/'. $package_order['sessions'];


                //预约单写入
                $lesson_order_id = Db::name('lesson_order')->insertGetId($lesson_order);
                if(!$lesson_order_id){
                    Db::rollback();
                    $this->error('预约失败');
                }

                //更新已预约人数
                $pay_number = Db::name('lesson_order')->where('slot_id',$slot_id)->where('order_status',10)->sum('usernumber');
                $rs_slot = Db::name('lesson_slot')->where('id',$slot_id)->update(['bookednum' => $pay_number]);
                if($rs_slot === false){
                    Db::rollback();
                    $this->error('预约失败');
                }

            }
            elseif($paytype == 4){
                //使用试课单
                $map = [
                    'id' => $trylessonorder_id,
                    'user_id' =>$user_id,
                    'endtime' => ['gt',time()],
                    'order_status' => 10,
                ];
                $trylesson_order = Db::name('trylesson_order')->where($map)->where('find_in_set(:lesson_ids,lesson_ids)', ['lesson_ids' => $info['lesson_id']])->lock(true)->find();
                if(!$trylesson_order){
                    Db::rollback();
                    $this->error('未找到对应的试课');
                }

                //修改预约单数据
                $lesson_order['order_amount'] = 0;
                $lesson_order['order_status'] = 10;
                $lesson_order['paytime'] = time();
                $lesson_order['trylesson_order_id'] = $trylessonorder_id;

                //预约单写入
                $lesson_order_id = Db::name('lesson_order')->insertGetId($lesson_order);
                if(!$lesson_order_id){
                    Db::rollback();
                    $this->error('预约失败');
                }

                //改掉试课单状态
                $update = [
                    'order_status'    => 20,
                    'updatetime'      => time(),
                    'lesson_order_id' => $lesson_order_id,
                ];
                $rs1 = Db::name('trylesson_order')->where('id',$trylessonorder_id)->update($update);
                if($rs1 === false){
                    Db::rollback();
                    $this->error('使用试课失败');
                }

                //更新已预约人数
                $pay_number = Db::name('lesson_order')->where('slot_id',$slot_id)->where('order_status',10)->sum('usernumber');
                $rs_slot = Db::name('lesson_slot')->where('id',$slot_id)->update(['bookednum' => $pay_number]);
                if($rs_slot === false){
                    Db::rollback();
                    $this->error('预约失败');
                }

            }

            Db::commit();

            //额外的通知
            $userinfo = Db::name('user')->where('id',$user_id)->find();
            $obj = new Email();
            try {
                $message =
                    'Hi,'.$userinfo['firstname']. ' ' .$userinfo['lastname'].'!<br/>
                    Your booking is confirmed and you’re all set now to fly with us! Here are the details of your booking:
                    Class:'.$info['name_en'].'<br/>
                    Instructor:'.$info['coach_nickname'].'<br/>
                    Location: '. $info['danceroom_name_en'] .'<br/>
                    Date: '.date('d F Y',$info['starttime']).'<br/>
                    Time: '.date('H:i a',$info['starttime']).'<br/>
                    Please arrive 10 minutes before the class timing to prepare for the harness fitting!<br/>
                    We are located at 450 Alexandra Road, #02-01,<br/>
                    Singapore 119960. For those who are driving, parking is available on level 2 of the building. For those who are taking public transport, the nearest mrt is Labrador Park MRT (7-10 minutes walk) and there is also a bus stop available just outside the building!<br/>
                    We look forward to seeing you for an amazing session! ❤<br/>
                    Best Regards,<br/>
                    Elin Dance Studio<br/>
                    <img src="'.config('website_url').'/assets/img/logo3.png" style="width:136px;height:115px">
                    ';

                //给这些用户发邮件
                $result = $obj
                    ->to($userinfo['email'])
                    ->subject('You are now booked in for this class! ')
                    ->message($message)
                    ->send();

                //发whatsapp
                $parameters = [
                    [
                        'type' => 'text',
                        'text' => $userinfo['firstname'].' '.$userinfo['lastname'],
                    ],
                    [
                        'type' => 'text',
                        'text' => $info['name_en'],
                    ],
                    [
                        'type' => 'text',
                        'text' => date('D l Y',$info['starttime']) .' at '.date('H:i a',$info['starttime']),
                    ],
                    [
                        'type' => 'text',
                        'text' => $info['danceroom_name_en'],
                    ],
                ];
                $this->whatapp($userinfo['whatsapp'],'class_booked_confirmation','en_US',$parameters);

            } catch (Exception $e) {

            }
            //额外的通知

            $this->success('预约成功');
        }
        $this->view->assign('row',$info);
        return $this->view->fetch();
    }

    /**
     * 取消
     */
    public function cancel(){
        $id = input('id');
        $info = Db::name('lesson_slot')->where('id',$id)->find();
        if(!$info){
            $this->error('请刷新重试');
        }
        if($info['status'] != 0){
            $this->error('当前课程不能取消');
        }

        if($this->request->isPost()){
            $remark        = input('remark','');
            $cancel_reason = input('cancel_reason','');
            $cancel_time   = time();

            Db::startTrans();

            $info = Db::name('lesson_slot')->where('id',$id)->lock(true)->find();
            if(!$info){
                Db::rollback();
                $this->error('请刷新重试');
            }
            if($info['status'] != 0){
                Db::rollback();
                $this->error('当前课程不能取消');
            }

            //更新订单
            $update = [
                'status' => 30,
                'remark' => $remark,
                'cancel_reason' => $cancel_reason,
                'cancel_time' => $cancel_time,
                'bookednum' => 0,
            ];

            $rs1 = Db::name('lesson_slot')->where('id',$id)->update($update);
            if($rs1 === false){
                Db::rollback();
                $this->error('取消失败,请刷新重试');
            }

            //发送通知
            $this->auto_lesson_slot_cancel($id);

            //找到所有的已候补订单
            $update = [
                'order_status' => 30,
                'cancel_time' => $cancel_time,
                'cancel_reason' => $cancel_reason,
            ];
            $rs2 = Db::name('lesson_order')->where('slot_id',$id)->where('jointype',2)->where('order_status',0)->update($update);

            //找到所有的已报名订单
            $lesson_order_list = Db::name('lesson_order')->where('slot_id',$id)->where('jointype',1)->where('order_status',10)->lock(true)->select();
            if(!empty($lesson_order_list)){
                foreach($lesson_order_list as $lesson_order){
                    //套餐给加回去
                    if($lesson_order['paytype'] == 1){
                        $package_order = Db::name('package_order')->where('id',$lesson_order['package_order_id'])->lock(true)->find();
                        $update = [
                            'remain' => bcadd($package_order['remain'],$lesson_order['usernumber_hours'],1),
                            'updatetime' => time(),
                        ];
                        $rs_remain = Db::name('package_order')->where('id',$lesson_order['package_order_id'])->update($update);
                        if($rs_remain === false){
                            Db::rollback();
                            $this->error('取消失败');
                        }
                    }
                    //试课给改回去
                    if($lesson_order['paytype'] == 4){
                        $update = [
                            'order_status' => 10,
                            'updatetime' => time(),
                            'lesson_order_id' => 0,
                        ];
                        $rs_remain = Db::name('trylesson_order')->where('id',$lesson_order['trylesson_order_id'])->update($update);
                        if($rs_remain === false){
                            Db::rollback();
                            $this->error('取消失败');
                        }
                    }

                    //现金支付不给退，线下处理

                    //取消预约单
                    $update = [
                        'order_status' => 30,
                        'cancel_time' => $cancel_time,
                        'cancel_reason' => $cancel_reason,
                    ];
                    if($lesson_order['paytype'] == 1 || $lesson_order['paytype'] == 4){
                        $update['order_status'] = 40;
                    }

                    $rs = Db::name('lesson_order')->where('id',$lesson_order['id'])->update($update);
                    if($rs === false){
                        Db::rollback();
                        $this->error('取消失败');
                    }


                }
            }

            Db::commit();

            $comefrom = input('comefrom','');
            if($comefrom == 'backend'){
                //后台来的
                $this->success('取消完成');
            }else{
                //接口来的
                $this->result('',1,'取消完成','json');
            }

        }

        $this->view->assign('row',$info);
        return $this->view->fetch();
    }

    //课程取消，通知。计划任务5分钟执行一次
    private function auto_lesson_slot_cancel($slot_id){
        $map = [
            'slot.id' => $slot_id,
        ];

        $slot = Db::name('lesson_slot')->alias('slot')
            ->field('slot.*,coach.nickname as coach_nickname,coach.email as coach_email,coach.whatsapp as coach_whatsapp,lesson.name_en as lesson_name_en')
            ->join('coach','slot.coach_ids = coach.id','LEFT')
            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
            ->where($map)->order('slot.starttime asc')->find();

        //找出这节课时的预约单
        $map = [
            'order.slot_id' => $slot['id'],
        ];

        $order_list = Db::name('lesson_order')->alias('order')
            ->field('user.firstname,user.lastname,user.email,user.whatsapp')
            ->join('user','order.user_id = user.id','LEFT')
            ->where('(order.jointype = 1 and order.order_status = 10) or (order.jointype = 2 and order.order_status = 0)') //已支付的 或 候补单
            ->where($map)->order('order.id asc')->select();
        //把教练也加入到发送列表里
        $coach_sender = [
            'firstname'  => $slot['coach_nickname'],
            'lastname'   => '',
            'email'      => $slot['coach_email'],
            'whatsapp'   => $slot['coach_whatsapp'],
        ];
        $order_list[] = $coach_sender;

        if(empty($order_list)){
            return true;
        }
        
        //给这些预约单的用户发邮件
        try {
            $obj = new Email();
            foreach($order_list as $order){

                $message =
                    'Hi,'.$order['firstname']. ' ' .$order['lastname'].'!<br/>
                We regret to inform you that the following class has been cancelled.<br/>
                Class:'.$slot['lesson_name_en'].'<br/>
                Date: '.date('d F Y',$slot['starttime']).'<br/>
                Time: '.date('H:i a',$slot['starttime']).'<br/>
                Thank you for your kind understanding and look forward to seeing you in our studio soon!❤<br/>
                Best Regards,<br/>
                Elin Dance Studio<br/>
                <img src="'.config('website_url').'/assets/img/logo3.png" style="width:136px;height:115px">
                ';

                if(!empty($order['email'])){
                    $result = $obj
                        ->to($order['email'])
                        ->subject('Class is Cancelled!')
                        ->message($message)
                        ->send();
                }


                //发whatsapp
                $parameters = [
                    [
                        'type' => 'text',
                        'text' => $order['firstname'].' '.$order['lastname'],
                    ],
                    [
                        'type' => 'text',
                        'text' => $slot['lesson_name_en'],
                    ],
                    [
                        'type' => 'text',
                        'text' => date('D l Y',$slot['starttime']) .' at '.date('H:i a',$slot['starttime']),
                    ],
                ];
                if(!empty($order['whatsapp'])){
                    $this->whatapp($order['whatsapp'],'class_cancelled','en_US',$parameters);
                }
            }
        } catch (Exception $e) {

        }

        return true;

    }

    /**
     * 复制本周的课程表
     */
    public function copyweek(){
        exit;
        $starttime = strtotime('this week Monday'); // 获取本周一的时间戳
        $endtime   = $starttime + 86400*7;

        $list = Db::name('lesson_slot')->where('starttime','BETWEEN',[$starttime,$endtime])->order('starttime asc')->select();
        if(empty($list)){
            $this->error('本周还没有课程表');
        }

        foreach($list as $key => &$val){
            unset($val['id']);
            $val['starttime'] = $val['starttime'] + (86400*7);
            $val['endtime']   = $val['endtime'] + (86400*7);
            $val['bookednum'] = 0;
            $val['status'] = 0;
            $val['notice_status'] = 0;
            $val['finishtime'] = 0;
            $val['cancel_reason'] = '';
            $val['cancel_time'] = 0;
            $val['is_show'] = 0;
            $val['cancel_notice_status'] = 0;
        }

        Db::name('lesson_slot')->insertAll($list);

        $this->success('已复制到下周');
    }

    /**
     * 查看
     */
    public function vue_index()
    {
        $where = [
            'slot.status' => ['NEQ',30],
        ];

        $coach_id = input('coach_id','');
        $lesson_id = input('lesson_id','');
        $danceroom_id = input('danceroom_id',0);
        $bookstatus = input('bookstatus',0);
        $starttime = input('starttime',0);//默认看今天
        $endtime = input('endtime',0);

        if(empty($starttime) || empty($endtime)){
            $starttime = strtotime(date('Y-m-d'));

            $endtime = $starttime + 86399;
        }

        if(!empty($coach_id)){
            $where['slot.coach_ids'] = ['IN',$coach_id];
        }
        if(!empty($lesson_id)){
            $where['slot.lesson_id'] = ['IN',$lesson_id];
        }
        if(!empty($danceroom_id)){
            $where['slot.danceroom_id'] = $danceroom_id;
        }
        $where['slot.starttime'] = ['BETWEEN',[$starttime,$endtime]];

        $wherenew = '';
        if(!empty($bookstatus)){
            if($bookstatus == 1){
                $wherenew = 'slot.bookednum = 0';
            }
            if($bookstatus == 2){
                $wherenew = 'slot.bookednum != 0 and slot.bookednum < num_max';
            }
            if($bookstatus == 3){
                $wherenew = 'slot.bookednum = num_max';
            }
        }

        $field = [
            'slot.id','slot.starttime','slot.endtime','slot.num_max','slot.bookednum','coach_ids',
            'coach.nickname as Staff','coach.bgcolor',
            'lesson.name_en as title',
            'danceroom.name_en as Location',
        ];
        $list = Db::name('lesson_slot')->alias('slot')
            ->join('coach','slot.coach_ids = coach.id','LEFT')
            ->join('lesson','slot.lesson_id = lesson.id','LEFT')
            ->join('danceroom','slot.danceroom_id = danceroom.id','LEFT')
            ->field($field)
            ->where($where)
            ->where($wherenew)
            ->order('slot.id desc')
            ->select();

        if(!empty($list)){
            foreach($list as $key => $val){

                $val['resourceId'] = $val['coach_ids'];

                $val['start'] = date('Y-m-d H:i',$val['starttime']);
                $val['end']   = date('Y-m-d H:i',$val['endtime']);

                //无人约
                $val['backgroundColor'] = '#ffffff';
                $val['borderColor']     = $val['bgcolor'];
                $val['textColor']       = '#333333';

                //有人约
                if($val['bookednum'] > 0){
                    $val['backgroundColor'] = $val['bgcolor'];
                    $val['borderColor']     = $val['bgcolor'];
                    $val['textColor']       = '#ffffff';
                }

                //详情
                $val['extendedProps'] = [
                    'Session' => $val['title'],
                    'time'    => date('D, M d Y, H:i',$val['starttime']).' - '.date('H:i',$val['endtime']),
                    'Staff'   => $val['Staff'],
                    'Location'   => $val['Location'],
                    'Participar' => $val['bookednum'].'/'.$val['num_max'].' participants',
                    'id'     => $val['id'],
                ];

                $list[$key] = $val;
            }
        }

        $this->result($list,1,'success','json');

    }
    //教练表头
    public function vue_staff()
    {
        $coach_id = input('coach_id','');
        //教练列表
        $coach_map = [];
        if(!empty($coach_id)){
            $coach_map['id'] = ['IN',$coach_id];
        }
        $coach_list = Db::name('coach')->where($coach_map)->order('id desc')->select();

        $result = [];
        if(!empty($coach_list)){
            foreach($coach_list as $ckey => $cval){
                $result[] = [
                    'id' => $cval['id'],
                    'title' => $cval['nickname'],
                    'extendedProps' => [
                        'name' => $cval['nickname'],
                        'avatar' => localpath_to_netpath($cval['avatar']),
                    ],
                ];
            }
        }

        $this->result($result,1,'success','json');

    }

    //课程新增
    public function slot_add(){
        $field = ['starttime','hours','num_min','num_max','waitnum_max','coach_ids','lesson_id','danceroom_id','address','remark','address_en','remark_en','is_show'];
//        $require = ['starttime','hours','num_min','num_max','waitnum_max','coach_ids','lesson_id','danceroom_id','is_show'];
        $data = request_post_hub($field/*,$require*/);

        if(empty($data['starttime'])){
            $data['starttime'] = time();
        }
        $data['endtime'] = $data['starttime'] + ($data['hours'] * 3600);

        $id = Db::name('lesson_slot')->insertGetId($data);

        $this->result($id,1,'添加完成','json');
    }
    //课程详情
    public function slot_info(){
        $id = input('id',0);

        $info = Db::name('lesson_slot')->where('id',$id)->find();

        $name = Db::name('lesson')->where('id',$info['lesson_id'])->value('name_en');
        $info['lesson_name'] = $name;

        $this->result($info,1,'success','json');
    }
    //课程编辑
    public function slot_edit(){
        $id = input('id',0);

        $field = ['starttime','hours','num_min','num_max','waitnum_max','coach_ids','lesson_id','danceroom_id','address','remark','address_en','remark_en','is_show'];
        /*$require = ['starttime','hours','num_min','num_max','waitnum_max','coach_ids','lesson_id','danceroom_id','is_show'];*/
        $data = request_post_hub($field/*,$require*/);

        if(empty($data['starttime'])){
            $data['starttime'] = time();
        }
        $data['endtime'] = $data['starttime'] + ($data['hours'] * 3600);

        Db::name('lesson_slot')->where('id',$id)->update($data);

        $this->result('',1,'修改完成','json');
    }

    //发送whatapp消息的方法
    private function whatapp($receive_mobile,$template,$code,$parameters){
        if(empty($receive_mobile)){return true;}

        $token = config('site.whatsapp_token');

        //发送者
        $mobile_id = '337736419413019'; //Elin Dance Stuido 2:+65 8015 4154  ,  WhatsApp Business Account ID: 336509229537586

        //发送
        $url = 'https://graph.facebook.com/v19.0/'.$mobile_id.'/messages';
        $header = [
            'Authorization: Bearer ' . $token,
            'Content-Type: application/json',
        ];
        $body = [
            'messaging_product' => 'whatsapp',
            'recipient_type' => 'individual',
            'to' => $receive_mobile,
            'type' => 'template',
            'template' => [
                'name' => $template,
                'language' => [
                    'code' => $code
                ],
                'components' => [
                    [
                        'type' => 'body',
                        'parameters' => $parameters
                    ]

                ],
            ],
        ];
        $body = json_encode($body);

        $rs = curl_post($url,$body,$header);
        return true;
    }

}