wx.sstbc.com/app/Models/CoursePeriod.php

<?php


namespace App\Models;


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

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

    public function courseSetting()
    {
        return $this->hasOne(CourseSetting::class, 'id', 'course_setting_id');
    }

    public function courseContents()
    {
        return $this->hasMany(CourseContent::class, 'course_period_id', 'id');
    }

}