course-site/app/Repositories/Models/Course/WatchRecord.php

<?php

namespace App\Repositories\Models\Course;

use App\Repositories\Models\Model;
use App\Repositories\Models\Base\User;

class WatchRecord extends Model
{
    /**
     * @var string
     */
    protected $table = 'course_watch_records';

    protected $guarded = [];

    /**
     * The attributes excluded from the model's JSON form.
     *
     * @var array
     */
    protected $hidden = [];


    public function user()
    {
        return $this->belongsTo(User::class, 'user_id', 'id')->select(['id', 'name', 'username', 'mobile']);
    }

    public function course()
    {
        return $this->belongsTo(Course::class)->select(['id', 'title']);
    }

    public function video()
    {
        return $this->belongsTo(Course::class)->select(['id', 'title']);
    }
}