<?php
/*
 * Copyright (c) 2011 - OpenSLX GmbH, RZ Uni Freiburg
* This program is free software distributed under the GPL version 2.
* See http://gpl.openslx.org/
*
* If you have any feedback please consult http://feedback.openslx.org/ and
* send your suggestions, praise, or complaints to feedback@openslx.org
*
* General information about OpenSLX can be found at http://openslx.org/
*/

class StatsController extends Zend_Controller_Action {

  public function init() {
    $this->_helper->layout->disableLayout();
    $this->_helper->viewRenderer->setNoRender();
  }

  public function graphgroupAction() {

    $userIDsNamespace = Zend_Session::namespaceGet('userIDs');

    if(isset($userIDsNamespace['groupID'])) {
      header("Content-Type: image/png");
      header("Expires: 0");
      $n = new Pbs_Graph();

      $level = $this->_request->getParam('level');
      if(is_numeric($level) && $level != '') {
        $n->setHiglightLevel($level);
      }
      $groupID = $userIDsNamespace['groupID'];

      $group = $this->_request->getParam('group');
      if((Pbs_Acl::checkRight('gsdo') || Pbs_Acl::checkRight('gsdog')) && is_numeric($group)) {
        $groupID = $group;
      }

      $child = $this->_request->getParam('child');
      if(Pbs_Acl::checkRight('glk') && $child != '') {
        $n->newChild($child);
      }

      echo $n->graph($groupID);
    }
  }
}