<?php
/**
* @version  $Id: helper.php 14401 2010-01-26 14:10:00Z louis $
* @package  Joomla
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license  GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

/** ensure this file is being included by a parent file */
defined('_JEXEC') or die('Direct Access to this location is not allowed.');

class modFeedHelper
{
 function getFeed($params)
 {
  // module params
  $rssurl = $params->get('rssurl', '');

  //  get RSS parsed object
  $options = array();
  $options['rssUrl']   = $rssurl;
  if ($params->get('cache')) {
   $options['cache_time']  = $params->get('cache_time', 15) ;
   $options['cache_time'] *= 60;
  } else {
   $options['cache_time'] = null;
  }

  $rssDoc =& JFactory::getXMLparser('RSS', $options);

  $feed = new stdclass();

  if ($rssDoc != false)
  {
   // channel header and link
   $feed->title = $rssDoc->get_title();
   $feed->link = $rssDoc->get_link();
   $feed->description = $rssDoc->get_description();

   // channel image if exists
   $feed->image->url = $rssDoc->get_image_url();
   $feed->image->title = $rssDoc->get_image_title();

   // items
   $items = $rssDoc->get_items();

   // feed elements
   $feed->items = array_slice($items, 0, $params->get('rssitems', 5));
  } else {
   $feed = false;
  }

  return $feed;
 }
}