AnnouncementHandler.inc.php

<?php
 
import('classes.handler.Handler');
 
class AnnouncementHandler extends Handler {
 
   //
   // Implement methods from Handler.
   //
   function authorize($request, &$args, $roleAssignments) {
      import('lib.pkp.classes.security.authorization.ContextRequiredPolicy');
      $this->addPolicy(new ContextRequiredPolicy($request));
 
      return parent::authorize($request, $args, $roleAssignments);
   }
 
 
   //
   // Public handler methods.
   //
   function index($args, $request) {
      if (!$request->getContext()->getData('enableAnnouncements')) {
         $request->getDispatcher()->handle404();
      }
 
      $this->setupTemplate($request);
 
      $context = $request->getContext();
      $announcementsIntro = $context->getLocalizedData('announcementsIntroduction');
 
      $templateMgr = TemplateManager::getManager($request);
      $templateMgr->assign('announcementsIntroduction', $announcementsIntro);
 
 
      $announcementDao = DAORegistry::getDAO('AnnouncementDAO'); /* @var $announcementDao AnnouncementDAO */
      // TODO the announcements list should support pagination
      import('lib.pkp.classes.db.DBResultRange');
      $rangeInfo = new DBResultRange(50, -1);
      $announcements = $announcementDao->getAnnouncementsNotExpiredByAssocId($context->getAssocType(), $context->getId(), $rangeInfo);
      $templateMgr->assign('announcements', $announcements->toArray());
 
      $templateMgr->display('frontend/pages/announcements.tpl');
   }
 
   function view($args, $request) {
      if (!$request->getContext()->getData('enableAnnouncements')) {
         $request->getDispatcher()->handle404();
      }
      $this->validate();
      $this->setupTemplate($request);
 
      $context = $request->getContext();
      $announcementId = (int) array_shift($args);
      $announcementDao = DAORegistry::getDAO('AnnouncementDAO'); /* @var $announcementDao AnnouncementDAO */
      $announcement = $announcementDao->getById($announcementId);
      if ($announcement && $announcement->getAssocType() == Application::getContextAssocType() && $announcement->getAssocId() == $context->getId() && ($announcement->getDateExpire() == null || strtotime($announcement->getDateExpire()) > time())) {
         $templateMgr = TemplateManager::getManager($request);
         $templateMgr->assign('announcement', $announcement);
         $templateMgr->assign('announcementTitle', $announcement->getLocalizedTitleFull());
         return $templateMgr->display('frontend/pages/announcement.tpl');
      }
      $request->redirect(null, 'announcement');
   }
}