/**
* Method to get latest dependency version.
*
* @param string $identified_name Dependency's identified name.
* @param string $current_version Current dependency version.
* @param string $requiredJoomlaVersion Joomla version required by extension, e.g. 2.5, 3.0, etc.
* @param object $version Latest version object used for recursive calls.
*
* @return mixed Object containing update information if dependency is outdated, FALSE otherwise.
*/
protected function hasUpdate($identified_name, $current_version, $requiredJoomlaVersion = JSN_EASYSLIDER_REQUIRED_JOOMLA_VER, $version = '')
{
static $result;
// Only communicate with server if check update URLs is not load before
if (empty($version)) {
if (!isset(self::$versions)) {
try {
// Get Joomla config
$config = JFactory::getConfig();
// Generate cache file path
$cache = $config->get('tmp_path') . '/JoomlaShineUpdates.json';
// Get latest version from local file if not timed out
if (is_readable($cache) and time() - filemtime($cache) < CHECK_UPDATE_PERIOD) {
// Decode JSON encoded update details
self::$versions = json_decode(JFile::read($cache));
} else {
// Always update cache file modification time
is_readable($cache) and touch($cache, time());
try {
self::$versions = $this->fetchHttp($this->checkLink);
// Cache latest version to local file system
JFile::write($cache, self::$versions);
// Decode JSON encoded update details
self::$versions = json_decode(self::$versions);
} catch (Exception $e) {
throw $e;
}
}
} catch (Exception $e) {
return $e;
}
}
$version = self::$versions;
$result = false;
}
// Get installed Joomla version
$JVersion = new JVersion();
// Get latest dependency version
if (!$result) {
foreach ($version->items as $item) {
if (isset($item->items)) {
$this->hasUpdate($identified_name, $current_version, $requiredJoomlaVersion, $item);
continue;
}
if (isset($item->identified_name) and $item->identified_name == $identified_name) {
$result = $item;
break;
}
}
if (is_object($result)) {
// Does product support installed Joomla version?
$tags = explode(';', $result->tags);
if (!in_array($JVersion->RELEASE, $tags)) {
$result = false;
}
// Does product upgradable?
if ($result and !empty($requiredJoomlaVersion) and !$this->isJoomlaCompatible($requiredJoomlaVersion) and !version_compare($result->version, $current_version, '>=')) {
$result = false;
}
// Does product have newer version?
if ($result and (empty($requiredJoomlaVersion) or $this->isJoomlaCompatible($requiredJoomlaVersion)) and !version_compare($result->version, $current_version, '>')) {
$result = false;
}
}
}
return $result;
}
function __construct($config = array())
{
parent::__construct($config);
}
