<?php 
 
defined('C5_EXECUTE') or die("Access Denied.");
class GenerateSitemap extends Concrete5_Job_GenerateSitemap {
 
   private static function addPage($xmlDoc, $cID, $instances) {
      $page = Page::getByID($cID, 'ACTIVE');
 
      // KRD: exclude all pages in /r/ directory
      $cPath = $instances['navigation']->getLinkToCollection($page);
      if (strpos($cPath, '/r/') !== false) return;
      // end KRD
 
      if($page->isSystemPage()) {
         return;
      }
      if($page->isExternalLink()) {
         return;
      }
      if($instances['dashboard']->inDashboard($page)) {
         return;
      }
      if($page->isInTrash()) {
         return;
      }
      if($page->isMasterCollection()) {
         return;
      }
      $pageVersion = $page->getVersionObject();
      if($pageVersion && !$pageVersion->isApproved()) {
         return;
      }
      $pubDate = new DateTime($page->getCollectionDatePublic());
      if($pubDate > $instances['now']) {
         return;
      }
      if($page->getAttribute($instances['ak_exclude_sitemapxml'])) {
         return;
      }
      $instances['view_page']->setPermissionObject($page);
      $pa = $instances['view_page']->getPermissionAccessObject();
      if (!is_object($pa)) {
         return;
      }
      if (!$pa->validateAccessEntities($instances['guestGroupAE'])) {
         return;
      }
      $lastmod = new DateTime($page->getCollectionDateLastModified());
      $changefreq = (string) $page->getAttribute($instances['ak_sitemap_changefreq']);
      $priority = (string) $page->getAttribute($instances['ak_sitemap_priority']);
      $xmlNode = $xmlDoc->addChild('url');
      $xmlNode->addChild('loc', SITEMAPXML_BASE_URL . $instances['navigation']->getLinkToCollection($page) . '!!!!');
      $xmlNode->addChild('lastmod', $lastmod->format(DateTime::ATOM));
      $xmlNode->addChild('changefreq', empty($changefreq) ? SITEMAPXML_DEFAULT_CHANGEFREQ : $changefreq);
      $xmlNode->addChild('priority', is_numeric($priority) ? $priority : SITEMAPXML_DEFAULT_PRIORITY);
      $ret = Events::fire('on_sitemap_xml_addingpage', $xmlNode, $page);
      if((!empty($ret)) && ($ret < 0)) {
         for($i = count($xmlDoc->url) - 1; $i >= 0; $i--) {
            if($xmlDoc->url[$i] == $xmlNode) {
               unset($xmlDoc->url[$i]);
               break;
            }
         }
      }
   }
}