<?php
defined('_JEXEC') or defined('_VALID_MOS') or die('Restricted Access');
/**
* Website: www.jtips.com.au
* @author Jeremy Roberts
* @copyright Copyright © 2009, jTips
* @license Commercial - See website for details
*
* @since 2.1 - 16/10/2008
* @version 2.1.1
* @package jTips
*
* Description: Performs the background upgrade.
*/
require_once 'components/com_jtips/utils/update.php';
$result = updatejTipsFiles();
if (is_bool($result)) {
//BUG 233 - have json encode the boolean/integer result
die(json_encode(intval($result)));
} else {
die($result);
}
/**
* Automatically check for the latest version and if it is newer, upgrade
*
* @return bool True on success, false otherwise
*/
function autoUpgrade()
{
global $jTips;
$returnVal = false;
if ($jTips['AutoUpgrade'] == 1) {
if (getLastUpdateCheckDate() < gmdate('Y-m-d H:i:s', strtotime("-2 weeks"))) {
$latestVersion = getLatestVersion();
$latestVersionArray = explode('.', $latestVersion);
$thisVersion = getFullVersion();
$thisVersionArray = explode('.', $thisVersion);
if (count($thisVersionArray) != count($latestVersionArray)) {
jTipsLogger::_log('incompatible versions!', 'ERROR');
$returnVal = false;
} else {
$doUpgrade = false;
jTipsLogger::_log('comparing this version against latest version');
for ($i = 0; $i < count($thisVersionArray); $i++) {
if ($latestVersionArray[$i] > $thisVersionArray[$i]) {
$doUpgrade = true;
}
}
if ($doUpgrade) {
jTipsLogger::_log('about to do auto upgrade');
$result = updatejTipsFiles();
if (is_bool($result)) {
//BUG 262 - AutoUpgrade to version message corrected
$_SESSION['jtips_upgraded_version'] = $latestVersion;
$returnVal = intval($result);
} else {
$returnVal = $result;
}
}
}
}
setLastUpdateCheckDate();
return $returnVal;
}
return false;
}
