/**
* Implements the Singleton pattern for this clas
*
* @staticvar extensionUpdateHelper $instance The static object instance
* @return extensionUpdateHelper
*/
public static function getInstance($extension = null, $target = null, $updateFrequency = null)
{
if (!isset(self::$instance)) {
self::$instance = new extensionUpdateHelper($extension, $target, $updateFrequency);
}
return self::$instance;
}
/**
* Function that returns version info in JSON format
* @return string
* @since 1.3.1
*/
function getVersionInfo($updateFrequency = 2)
{
require_once JPATH_COMPONENT_ADMINISTRATOR . DIRECTORY_SEPARATOR . 'helpers' . DIRECTORY_SEPARATOR . 'update.php';
$version_info = array();
$html = '';
$html_current = '';
$html_outdated = '';
$pathToXML = JPATH_COMPONENT_ADMINISTRATOR . DIRECTORY_SEPARATOR . 'customfilters.xml';
$installData = JApplicationHelper::parseXMLInstallFile($pathToXML);
$updateHelper = extensionUpdateHelper::getInstance($extension = 'com_customfilters', $targetFile = 'assets/lastversion.ini', $updateFrequency = 2);
$updateRegistry = $updateHelper->getData();
if ($installData['version']) {
if (is_object($updateRegistry) && $updateRegistry !== false) {
$isoutdated_code = version_compare($installData['version'], $updateRegistry->version);
if ($isoutdated_code < 0) {
$html_current = '<div class="cfversion">
<span class="pbversion_label">' . JText::_('COM_CUSTOMFILTERS_LATEST_VERSION') . ' : v. </span>
<span class="cfversion_no">' . $updateRegistry->version . '</span><span> (' . $updateRegistry->date . ')</span>
</div>';
}
if ($isoutdated_code < 0) {
$html_outdated = ' <span id="cfoutdated">!Outdated</span>';
} else {
$html_outdated = ' <span id="cfupdated">Updated</span>';
}
}
$html .= '<div class="cfversion">
<span class="pbversion_label">' . JText::_('COM_CUSTOMFILTERS_CURRENT_VERSION') . ' : v. </span>
<span class="cfversion_no">' . $installData['version'] . '</span><span> (' . $installData['creationDate'] . ')</span>' . $html_outdated . '</div>';
}
$html .= $html_current;
$version_info['html'] = $html;
$version_info['status_code'] = $isoutdated_code;
return $version_info;
}