course-site/app/Repositories/Transformers/BaseTransformer.php

<?php

namespace App\Repositories\Transformers;

use League\Fractal\TransformerAbstract;

/**
 * Class ProjectTransformer.
 *
 * @package namespace App\Repositories\Transformers\Review;
 */
abstract class BaseTransformer extends TransformerAbstract
{

    protected $type = 'list';

    public function __construct($type = 'list')
    {
        $this->type = $type;
    }

    /**
     * Transform the Project entity.
     *
     *
     * @return array
     */
    public function transform($model)
    {
        switch ($this->type) {
            case 'list':
                return $this->lists($model);
                break;
            default:
                return $this->detail($model);
                break;
        }
    }

    public abstract function lists($model);

    public abstract function detail($model);
}