yueke/application/admin/controller/Trylessonorder.php

<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use Exception;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
/**
 * 试课预约订单
 *
 * @icon fa fa-circle-o
 */
class Trylessonorder extends Backend
{

    protected $noNeedRight = ['selectpagenew'];
    /**
     * Trylessonorder模型对象
     * @var \app\admin\model\Trylessonorder
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Trylessonorder;
        $this->view->assign("orderStatusList", $this->model->getOrderStatusList());
        $this->view->assign("payTypeList", $this->model->getPayTypeList());
    }



    /**
     * 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 = $this->model
                    ->with(['user','trylesson'])
                    ->where($where)
                    ->where('trylessonorder.order_status','IN',[10,20])
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('user')->visible(['firstname','lastname']);
				$row->getRelation('trylesson')->visible(['name','name_en']);
            }

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

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

    /**
     * 用户下单
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            $trylesson_id = input('trylesson_id',0);
            $this->assign('trylesson_id',$trylesson_id);
            return $this->view->fetch();
        }

        //
        $trylesson_id   = input('post.trylesson_id');
        $user_id        = input('user_id');
        $trylesson_info = Db::name('trylesson')->where('id',$trylesson_id)->find();

        $time = time();
        //套餐订单
        $data = [
            'order_no'     => createUniqueNo('T',$user_id),
            'user_id'      => $user_id,
            'trylesson_id' => $trylesson_id,
            'lesson_ids'   => $trylesson_info['lesson_ids'],
            'order_amount' => $trylesson_info['price'],
            'order_status' => 10,
            'paytime'      => $time,
            'createtime'   => $time,
            'updatetime'   => $time,

            'starttime'   => $time,
            'endtime'     => $time + (30 * 86400),

            'remark'      => input('remark',''),
            'seller'      => input('seller',''),
            'pay_type'    => 2,
        ];

        //入库
        Db::startTrans();
        $order_id = Db::name('trylesson_order')->insertGetId($data);
        if(!$order_id){
            Db::rollback();
            $this->error('下单失败');
        }

        Db::commit();


        $this->success('下单成功');
    }

    public function selectpagenew()
    {
        $user_id = input('user_id',0);
        $slot_id = input('slot_id',0);
        $number  = input('number',1,'intval');

        //试课只能约一人
        if($number != 1){
            return json(['list' => [], 'total' => 0]);
        }

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

        //可用试课
        $try_map = [
            'o.user_id' =>$user_id,
            'o.endtime' => ['gt',time()],
            'o.order_status' => 10,
        ];
        $tryorder_list = Db::name('trylesson_order')->alias('o')
            ->join('trylesson','o.trylesson_id = trylesson.id','LEFT')
            ->field('o.id,o.starttime,o.endtime,trylesson.name,trylesson.name_en')
            ->where($try_map)
            ->where('find_in_set(:lesson_ids,o.lesson_ids)', ['lesson_ids' => $info['lesson_id']])
            ->order('o.endtime asc')->select();

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

                $val['time_text'] = date('M d,Y',$val['starttime']).'-'.date('M d,Y',$val['endtime']);

                $val['name'] = $val['id'].'['.$val['name'].']--'.$val['time_text'];
            }
        }

        return json(['list' => $tryorder_list, 'total' => 0]);
    }
}