course-site/app/Repositories/Presenters/BasePresenter.php

<?php

namespace App\Repositories\Presenters;

use League\Fractal\Pagination\IlluminatePaginatorAdapter;
use League\Fractal\Resource\Collection;
use League\Fractal\Resource\Item;
use Prettus\Repository\Presenter\FractalPresenter;

/**
 * Class CoursePresenter.
 *
 * @package namespace App\Repositories\Presenters;
 */
abstract class BasePresenter extends FractalPresenter
{
    protected function transformItem($data)
    {
        return new Item($data, $this->getTransformer('item'), $this->resourceKeyItem);
    }

    /**
     * Transformer
     *
     * @return \League\Fractal\TransformerAbstract
     */
    public abstract function getTransformer($type = 'list');

    protected function transformCollection($data)
    {
        return new Collection($data, $this->getTransformer('list'), $this->resourceKeyCollection);
    }

    protected function transformPaginator($paginator)
    {
        $collection = $paginator->getCollection();
        $resource = new Collection($collection, $this->getTransformer('list'), $this->resourceKeyCollection);
        $resource->setPaginator(new IlluminatePaginatorAdapter($paginator));
        return $resource;
    }
}