<?php

namespace app\admin\controller\live;

use app\common\controller\Backend;
use think\Db;
/**
 * 直播课件
 *
 * @icon fa fa-circle-o
 */
class Courseware extends Backend
{

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

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\live\Courseware;

    }


    /**
     * 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
       $this->request->filter(['strip_tags', 'trim']);
       //如果发送的来源是Selectpage，则转发到Selectpage
       if ($this->request->request('keyField')) {
           return $this->selectpage();
       }
       list($where, $sort, $order, $offset, $limit) = $this->buildparams();
       
       $list = $this->model
          ->with(['course'])
          ->where($where)
          ->order($sort, $order)
          ->paginate($limit);

       $ids = $this->model->with(['course'])->where($where)->field('file_id')->column('file_id');

       
       $result = array("total" => $list->total(), "rows" => $list->items(),"ids"=>$ids);
       
       return $this->success("获取成功",$result);
    }

    /**
     * 添加
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $rows = $this->request->post('row/a');
        $courseId = $this->request->post('course_id');
        if (empty($rows) || !$courseId) {
            $this->error(__('Parameter %s can not be empty', ''));
        }

        $data = [];
        foreach ($rows as $item){
            $item['uniacid'] = UNIACID;
            $item['createtime'] = time();
            $item['course_id'] = $courseId;
            $data[] = $item;
        }

        $result = false;
        Db::startTrans();
        try {
            $result = $this->model->allowField(true)->saveAll($data);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success("提交成功");
    }

}