course-site/app/Repositories/Transformers/Course/CommentTransformer.php

<?php

namespace App\Repositories\Transformers\Course;

use Carbon\Carbon;
use League\Fractal\TransformerAbstract;
use App\Repositories\Models\Course\Comment;

/**
 * Class CourseCommentTransformer.
 *
 * @package namespace App\Repositories\Transformers;
 */
class CommentTransformer extends TransformerAbstract
{
    /**
     * Transform the CourseComment entity.
     *
     * @param \App\Repositories\Models\Course\Comment $model
     *
     * @return array
     */
    public function transform(Comment $model)
    {
        return [
            'id' => (int)$model->id,
            'content' => $model->content,
            'course_id' => (int)$model->course_id,
//            'course_name' => $model->course->title ?? '',
            'user_id' => (int)$model->user_id,
            'user' => $model->user()->get(['name', 'headimg']),
            'course_video_id' => (int)$model->course_video_id,
//            'course_video_name' =>$model->course_video->title,
            'points' => (int)$model->points,
            'created_at' => $model->created_at->diffForHumans(),
//            'updated_at' => $model->updated_at->format(Carbon::DEFAULT_TO_STRING_FORMAT)
        ];
    }
}