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<?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);
		}
	}
}