public static function listAllHtml()
{
self::preDispatch();
$session = new Db_Session();
$sessions = $session->getCollection();
$preparedSessions = array_map(function ($x) {
return $x['es_id'];
}, $sessions);
$invites = Invite::getAllInvites();
if (!is_array($invites)) {
$invites = array();
}
$tmpl = new \OCP\Template('documents', 'part.sessions', '');
$tmpl->assign('invites', $invites);
$tmpl->assign('sessions', $sessions);
echo $tmpl->fetchPage();
}