<?php

// $Id: /cvsroot/tikiwiki/tiki/tiki-pv_chart.php,v 1.13 2007-10-12 07:55:29 nyloth Exp $

// Copyright (c) 2002-2007, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.

//Include the code
require_once ('tiki-setup.php');

if ($prefs['feature_stats'] != 'y') {
  $smarty->assign('msg', tra("This feature is disabled").": feature_stats");
  $smarty->display("error.tpl");
	die;
}

if ($tiki_p_view_stats != 'y') {
  $smarty->assign('errortype', 401);
	$smarty->assign('msg', tra("Permission denied you cannot view this section"));
  $smarty->display("error.tpl");
	die;
}

require_once ("graph-engine/graph.multiline.php");
require_once ("graph-engine/gd.php");

//Define the object
$renderer = &new GD_GRenderer(450,300);
$graph = &new MultilineGraphic;
$graph->setTitle( tra('Pageviews') );

//Set some data
if (!isset($_REQUEST["days"]))
	$_REQUEST["days"] = 7;

$data = $tikilib->get_pv_chart_data($_REQUEST["days"]);
foreach( $data['xdata'] as $key => $date )
	$data['xdata'][$key] = strtotime( $date ) / 24 / 3600;

$graph->setData( array( 'x' => $data['xdata'], 'y0' => $data['ydata'] ) );
$graph->setParam( 'grid-independant-major-font', false );
$graph->setParam( 'grid-independant-major-guide', false );
$graph->draw( $renderer );

$renderer->httpOutput( 'stats.png' );

?>
