<?php

namespace app\common\model;

use think\Db;
use think\Model;

/**
 * 群组
 */
class UniversityCourseApplyModel extends Model
{
    // 表名
    protected $name = 'university_course_apply';
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = false;
    // 定义时间戳字段名
    protected $createTime = false;
    protected $updateTime = false;
    protected $deleteTime = false;


    public function user()
    {
        return $this->hasOne(UserModel::class, 'id', 'user_id');
    }

    public function course()
    {
        return $this->hasOne(UniversityCourseModel::class, 'id', 'course_id');
    }

    public function chapters()
    {
        return $this->hasMany(UniversityCourseChapterModel::class, 'course_id', 'course_id');
    }
}