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<?php
/**
* @version $Id: gantryupdates.class.php 4060 2012-10-02 18:03:24Z btowles $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2016 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*
* Gantry uses the Joomla Framework (http://www.joomla.org), a GNU/GPLv2 content management system
*
*/
defined('GANTRY_VERSION') or die();
/**
*
*/
class GantryUpdates
{
/**
* @var
*/
protected static $instance;
/**
* @static
* @return GantryUpdates
*/
public static function &getInstance()
{
if (self::$instance == null) {
self::$instance = new GantryUpdates();
}
return self::$instance;
}
/**
* @var null
*/
private $extensionInfo = null;
/**
* @var null
*/
private $updateInfo = null;
/**
*
*/
public function __construct()
{
$this->populateExtensionInfo();
}
/**
* @return string
*/
public function getCurrentVersion()
{
if ($this->extensionInfo && array_key_exists('version', $this->extensionInfo->manifest_cache)) {
return $this->extensionInfo->manifest_cache['version'];
} else {
//TODO: move to translation
return 'unknown';
}
}
/**
* @return string
*/
public function getLatestVersion()
{
$this->populateUpdateInfo();
if ($this->updateInfo) {
return $this->updateInfo->version;
} else {
return $this->getCurrentVersion();
}
}
/**
* @return int|bool
*/
public function getLastUpdated()
{
$this->populateUpdateInfo();
if ($this->extensionInfo && array_key_exists('last_update', $this->extensionInfo->custom_data)) {
return $this->extensionInfo->custom_data['last_update'];
} else
return 0;
}
/**
* @return void
*/
protected function populateExtensionInfo()
{
$table = JTable::getInstance('extension');
$id = $table->find(array('type' => 'library', 'element' => 'lib_gantry'));
if (empty($id)) {
return;
}
$table->load($id);
// convert manifest_cache to array
$registry = new JRegistry();
$registry->loadString($table->manifest_cache);
$table->manifest_cache = $registry->toArray();
// convert custom_data to array
$registry = new JRegistry();
$registry->loadString($table->custom_data);
$table->custom_data = $registry->toArray();
$this->extensionInfo = $table;
}
/**
*
*/
protected function populateUpdateInfo()
{
if (empty($this->updateInfo)) {
$table = JTable::getInstance('update');
$updateid = @$table->find(array('extension_id' => $this->extensionInfo->extension_id));
if (empty($updateid)) {
return;
}
$table->load($updateid);
$this->updateInfo = $table;
}
}
/**
* @param $last_checked
*
* @return void
*/
public function setLastChecked($last_checked)
{
if (!empty($this->extensionInfo)) {
$this->extensionInfo->custom_data['last_update'] = $last_checked;
$registry = new JRegistry();
$registry->loadArray($this->extensionInfo->custom_data);
$this->extensionInfo->custom_data = $registry->toString();
$registry = new JRegistry();
$registry->loadArray($this->extensionInfo->manifest_cache);
$this->extensionInfo->manifest_cache = $registry->toString();
$this->extensionInfo->store();
$this->populateExtensionInfo();
}
}
/**
* @return int
*/
public function getGantryExtensionId()
{
return $this->extensionInfo->extension_id;
}
}