Upgrade.inc.php

<?php
 
import('lib.pkp.classes.install.Installer');
 
class Upgrade extends Installer {
   function __construct($params, $installFile = 'upgrade.xml', $isPlugin = false) {
      parent::__construct($installFile, $params, $isPlugin);
   }
 
 
   function isUpgrade() {
      return true;
   }
 
   //
   // Upgrade actions
   //
 
   function rebuildSearchIndex() {
      $submissionSearchIndex = Application::getSubmissionSearchIndex();
      $submissionSearchIndex->rebuildIndex();
      return true;
   }
 
   function clearCssCache() {
      $request = Application::get()->getRequest();
      $templateMgr = TemplateManager::getManager($request);
      $templateMgr->clearCssCache();
      return true;
   }
 
   function changeSubmissionStageToProduction() {
      $submissioDao = DAORegistry::getDAO('SubmissionDAO');
      $submissioDao->update('UPDATE submissions SET stage_id = ? WHERE stage_id = ?', array(WORKFLOW_STAGE_ID_PRODUCTION, WORKFLOW_STAGE_ID_SUBMISSION));
 
      return true;
   }
}