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application/admin/controller/mobile/course/Course.php 3.9 KB
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<?php
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namespace app\admin\controller\mobile\course;
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use app\common\controller\Backend;
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use think\Db;
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/**
 * 精品课程管理
 *
 * @icon fa fa-circle-o
 */
class Course extends Backend
{
    
    /**
     * Course模型对象
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     * @var \app\admin\model\mobile\course\Course
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     */
    protected $model = null;
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    protected $noNeedRight = ['selectpage'];
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    public function _initialize()
    {
        parent::_initialize();
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        $this->model = new \app\admin\model\mobile\course\Course;
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        $this->view->assign("isTopList", $this->model->getIsTopList());
    }
    
    /**
     * 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 = false;
        //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();
            $total = $this->model
                    
                    ->where($where)
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                    ->order(['is_top' => 'desc','top_time' => 'desc', 'createtime' => 'desc'])
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                    ->order($sort, $order)
                    ->count();

            $list = $this->model
                    
                    ->where($where)
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                    ->order(['is_top' => 'desc','top_time' => 'desc', 'createtime' => 'desc'])
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                    ->order($sort, $order)
                    ->limit($offset, $limit)
                    ->select();

            foreach ($list as $row) {
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                $row->visible(['id','title','cover','current_price','original_price','study_num_rate','study_num_virtual','study_num_real','teacher_avatar','teacher_name','teacher_desc','is_top']);
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            }
            $list = collection($list)->toArray();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }
        return $this->view->fetch();
    }
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    /**
     * 置顶
     */
    public function top($ids = null)
    {
        if($ids) {
            $row = $this->model->get($ids);
            if (!$row) {
                $this->error(__('No Results were found'));
            }
            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds)) {
                if (!in_array($row[$this->dataLimitField], $adminIds)) {
                    $this->error(__('You have no permission'));
                }
            }
            $params = $this->request->param();
            $params['top_time'] = $params['is_top'] == '1' ? time() : 0;
            Db::startTrans();
            try {
                $result = $row->allowField(true)->save($params);
                Db::commit();
            } catch (ValidateException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (PDOException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (\think\Exception $e) {
                Db::rollback();
                $this->error($e->getMessage());
            }
            if(!$result) {
                $this->error('操作失败');
            }
            $this->success('操作成功');
        }
    }
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    public function selectpage()
    {
        return parent::selectpage(); // TODO: Change the autogenerated stub
    }
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}