<?php

namespace app\common\model;

use app\BaseModel;
use support\Model;

/**
 * wa_teacher_free_time 教师空闲时间
 * @property integer $id (主键)
 * @property integer $teacher_id 教师
 * @property string $date 日期
 * @property string $time 时间
 * @property mixed $hour 课时
 * @property string $start_time 开始时间
 * @property string $end_time 结束时间
 * @property string $month 月份
 * @property integer $subject_id 课程id
 * @property integer $is_publish 是否发布
 * @property mixed $created_at 创建时间
 * @property string $updated_at 更新时间
 * @property string $deleted_at
 */
class TeacherFreeTime extends BaseModel
{


    public function teacher()
    {
        return $this->hasOne(Teacher::class, 'id', 'teacher_id')->bind([
            'teacher_name',
            'teacher_account' => "account",
            'time_zone_name',
            'time_zone_offset'
        ]);
    }

    /**
     * @desc 教师排课时间
     * @return \think\model\relation\HasMany
     */
    public function teacherScheduleTime()
    {
        return $this->hasMany(TeacherScheduleTime::class, 'free_time_id', 'id');
    }

}