FeedRequest.php

<?php

namespace WebDevEtc\BlogEtc\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class FeedRequest extends FormRequest
{
    /**
     * Always return true, as this is just to view the rss feed.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * @return array
     */
    public function rules(): array
    {
        return [
            'type' => [Rule::in(['rss', 'atom'])],
        ];
    }

    /**
     * Is this request for an RSS feed or Atom feed? defaults to atom.
     *
     * @return string
     */
    public function getFeedType(): string
    {
        return 'rss' === $this->get('type')
            ? 'rss'
            : 'atom';
    }
}