<?php

defined('_JEXEC') or die('Restricted access');

jimport('joomla.application.component.model');
jimport('joomla.error.log');

require_once(dirname(__FILE__) . DS . 'load.php');
require_once(dirname(__FILE__) . DS . 'statisticParser.php');

class OpenaireModelBrowse extends JModel {
  private $serviceUrl;

  public function __construct($configuration) {
    parent::__construct($configuration);
    $db =& JFactory::getDBO();
    $db -> setQuery('SELECT `value` FROM `#__openaire` WHERE `key` = \'serviceUrl.openaire\'');
    $this->serviceUrl = $db->loadResult();
  }

  public function getBrowseStatistics() {
    $url = $this->serviceUrl.'xmlResults.action';
    $params = array('includeStats' => 'true');

    $xmlString = load($url, $params);

    if ($xmlString != null)
      $stats = StatisticParser::parseXml($xmlString);
    else
      $stats = null;

    return $stats;
  }
}

?>