<?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 string $hour 课时
 * @property mixed $created_at 创建时间
 * @property string $updated_at 更新时间
 * @property string $deleted_at
 */
class TeacherScheduleTime extends BaseModel
{

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

    public function teacherAttr()
    {
        return $this->hasOne(Teacher::class, 'id', 'teacher_id');
    }

    public function subject()
    {
        return $this->hasOne(Subject::class, 'id', 'subject_id')->bind(['subject_name', 'english_name']);
    }

    public function subjectArr()
    {
        return $this->hasOne(Subject::class, 'id', 'subject_id');
    }


    /**
     * @desc 安排学生
     * @return \think\model\relation\HasMany
     */
    public function studentSchedule()
    {
        return $this->hasMany(StudentSchedule::class, 'teacher_schedule_time_id', 'id');
    }

    public function studentScheduleOne1()
    {
        return $this->hasOne(StudentSchedule::class, 'teacher_schedule_time_id', 'id');
    }
    public function studentScheduleOne()
    {
        return $this->hasOne(StudentSchedule::class, 'teacher_schedule_time_id', 'id')->bind([
            'student_name'
        ]);
    }

    public function studentHomework()
    {
        return $this->hasMany(StudentHomework::class, 'teacher_schedule_time_id', 'id');
    }

}