<?php
namespace Admin\Controller;
use Common\Controller\AdminController;
class CoursetypeController extends AdminController {
    public function __construct(){
        parent::__construct();
    }
    //课程类型列表
    public function index(){
        $page = I('get.p','1');
        session('page',$page);
        $res = M('CourseType')->select();
        foreach ($res as $r){
            $typeNum = M('Course')->where(array('course_type'=>$r['type_id']))->count();
            M('CourseType')->where(array('type_id'=>$r['type_id']))->save(array('type_num'=>$typeNum));
        }
        $count = M('CourseType')->where(array('is_delete'=>1))->count();
        //分页
        $Page = new \Think\Page($count);
        $show = $Page->show();
        $typeList = M('CourseType')->where(array('is_delete'=>1))->field()->order('type_id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
        $this->assign('page',$show);
        $this->assign('list',$typeList);
        $this->display();
    }
    //课程类型编辑
    public function edit(){
        $step = I('step','');
        $typeId = I('type_id','');
        if (empty($step)){
            $info = array();
            if (!empty($typeId)){
                $info = M('CourseType')->where(array('type_id'=>$typeId))->find();
            }
            $this->assign('info',$info);
            $this->display();
        }else if($step==2){
            $typeName = I('type_name','');
            if (mb_strlen($typeName,'UTF8')<2 || mb_strlen($typeName,'UTF8')>12){
                $this->error('课程类型名称2到12个汉字');
            }
            $res = M('CourseType')->where(array('type_name'=>$typeName,'is_delete'=>1))->find();
            if ($res!=NULL){
                $this->error('课程类型名称已经存在');
            }
            if ($typeId){
                M('CourseType')->where(array('type_id'=>$typeId))->save(array('type_name'=>$typeName));
            }else{
                M('CourseType')->add(array('type_name'=>$typeName,'operate_dt'=>time()));
            }
            $this->success('课程类型操作成功','/admin/coursetype/index');
        }
    }
    //删除
    public function del(){
        $typeId = I('type_id','');
        if (!$typeId){
            $this->error('课程类型ID错误');
        }
        //M('CourseType')->where(array('type_id'=>$typeId))->save(array('is_delete'=>2));
        M('CourseType')->where(array('type_id'=>$typeId))->delete();
        $this->success('课程类型操作成功','/admin/coursetype/index');
    }
    //分类下课程列表
    public function course(){
        $typeId = I('type_id','');
        if (!$typeId){
            $this->error('课程类型ID错误');
        }
        $condition = array('is_delete'=>1,'course_type'=>$typeId,'course_source'=>1);
        $count = M('Course')->where($condition)->count();
        //分页
        $Page = new \Think\Page($count);
        $show = $Page->show();
        $courseList = M('Course')->where($condition)->field()->order('course_id desc')->limit($Page->firstRow.','.$Page->listRows)->select();
        $this->assign('page',$show);
        $this->assign('list',$courseList);
        $this->display('User/course');
    }
}