SproutCMS

source of /sprout/Widgets/RssFeedWidget.php

<?php
/*
 * Copyright (C) 2017 Karmabunny Pty Ltd.
 *
 * This file is a part of SproutCMS.
 *
 * SproutCMS is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation, either
 * version 2 of the License, or (at your option) any later version.
 *
 * For more information, visit <http://getsproutcms.com>.
 */
 
namespace Sprout\Widgets;
 
use Exception;
 
use Sprout\Helpers\Enc;
use Sprout\Helpers\Form;
use Sprout\Helpers\RssFeed;
use Sprout\Helpers\View;
 
 
/**
* Spits out HTML code
**/
class RssFeedWidget extends Widget
{
    protected $friendly_name = 'RSS Feed';
    protected $friendly_desc = 'Display an RSS feed';
 
 
    /**
    * Return the front-end view of this widget
    *
    * @param int $orientation The orientation of the widget.
    **/
    public function render($orientation)
    {
        if (empty($this->settings['url'])) return null;
 
        try {
            $items = RssFeed::parse($this->settings['url']);
        } catch (Exception $ex) {
            return '<p>Unable to load news feed:<br>' . Enc::html($ex->getMessage()) . '</p>';
        }
 
        if (!empty($this->settings['limit'])) {
            $items = array_slice($items, 0, $this->settings['limit']);
        }
 
        $view = new View('sprout/rss_feed');
        $view->items = $items;
 
        return $view->render();
    }
 
 
    /**
    * Return the settings form for this widget
    **/
    public function getSettingsForm()
    {
        $out = '';
 
        Form::nextFieldDetails('URL', true);
        $out .= Form::text('url');
 
        Form::nextFieldDetails('Max number of posts', false);
        $out .= Form::text('limit');
 
        return $out;
    }
}