yueke/application/admin/controller/Lessonslot.php

<?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
{

    /**
     * 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());
    }



    /**
     * 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 $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['coach','lesson'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

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

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

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

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

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

            Db::startTrans();
            $update = [
                'remark' => $remark,
                'cancel_reason' => $cancel_reason,
                'cancel_time' => $cancel_time
            ];

            $rs1 = Db::name('lesson_slot')->where('id',$id)->where('status',0)->update($update);
            if($rs1 === false){
                Db::rollback();
                $this->error('取消失败,请刷新重试');
            }

            //找到所有的已报名订单
            $lesson_order_list = Db::name('lesson_order')->where('slot_id',$id)->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' => $package_order['remain'] + $lesson_order['usernumber'],
                            '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');
                        }
                    }
                    //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){
                        $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');
                    }

                    //给用户发通知
                    $user_info = Db::name('user')->where('id',$lesson_order['user_id'])->find();
                    if($user_info['notice_email'] == 1 && !empty($user_info['email'])){
                        $obj = new Email();
                        $result = $obj
                            ->to($user_info['email'])
                            ->subject('Elin Dance Studio 订单取消!')
                            ->message('Hi,'.$user_info['firstname']. ' ' .$user_info['lastname'].',您预约的'.date('Y-m-d H:i:s',$info['starttime']).'的课程已被取消,原因：'.$cancel_reason.'!')
                            ->send();
                    }

                }
            }

            Db::commit();
            $this->success('取消完成');

        }

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

}