<?php

namespace app\api\controller;

use Alipay\EasySDK\Kernel\Base;
use app\model\api\EducationCourse;
use think\facade\Db;


class Education
{
    /**
     * 课程列表页面
     * @return \think\response\Json
     */
    public function index()
    {
        $EducationModel = new \app\model\api\Education();
        $where["audit"] = 1;
        $type1 = input("type1", "");
        if ($type1 !== "") {
            $where["type1"] = $type1;
        } else {
            $type1 = 2;
        }

        if ($type1 == 0) {
            $where["type1"] = 0;
        } elseif ($type1 == 1) {
            $where["type1"] = 1;
        }

        $page = input('page/d', 1);
        $pageSize = input('pageSize/d', 20);

        $grlist = $EducationModel->where($where)
            ->order("od asc,recommend desc,gr_id desc")
            ->paginate($pageSize, false, ['page' => $page]);

        $result = ['grlist' => $grlist->items(), 'total' => $grlist->total()];
        $result['grlist'] = $this->getCountAndAlll($result['grlist']);

        return app('json')->success($result);
    }


    /**
     * 获取轮播列表
     * @return mixed
     */
    public function recommend()
    {
        $EducationModel = new \app\model\api\Education();
        $where = [
            'audit' => 1,
            'recommend' => 1,
        ];
        $recommendList = $EducationModel->getEducationGrList($where, 9, "od asc,recommend desc,gr_id desc");
        $result = ['recommendList' => $recommendList];

        return app('json')->success($result);
    }


    /**
     * 获取课程组列表
     * @return mixed
     */
    private function getCountAndAlll($grlist)
    {
        foreach ($grlist as &$v) {
            $count = EducationCourse::where('course_status', 1)
                ->where('gr_id', $v['gr_id'])
                ->where('course_audit', 1)
                ->field('count(*) as count,sum(course_play_count) as alll')
                ->find();
            $v['count'] = $count['count'];
            $count['alll'] += $v['times'];
            $v['alll'] = $count['alll'] ? $count['alll'] : 0;
        }
        return $grlist;
    }


    /**
     * 获取课程列表
     * @param $gr_id
     * @return mixed
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function getCourseList($gr_id)
    {

        $courseList = EducationCourse::where('course_status', 1)
            ->where('gr_id', $gr_id)
            ->where('course_audit', 1)
            ->select();

        return json([
            'code' => 200,
            'msg' => 'ok',
            'data' => $courseList
        ]);
    }


}