/**
* @route ajax/admin/skyport/installed
*/
public function ajaxGetInstalledPackages()
{
$numInstalled = $this->skyport->countInstalled();
list($page, $offset) = $this->getPaginated($numInstalled);
$this->lens('skyport/list', ['headline' => 'Installed Extensions', 'extensions' => $this->skyport->getInstalled(false, $offset, $this->perPage), 'pagination' => ['count' => $numInstalled, 'page' => $page, 'per_page' => $this->perPage]]);
}