public function getIpNotifications()
{
$systemInfo = Model::getIpNotifications();
if (isset($_REQUEST['afterLogin'])) {
// Request after login.
if ($systemInfo == '') {
$_SESSION['ipSystem']['show_system_message'] = false;
// Don't display system alert at the top.
return null;
} else {
$md5 = \Ip\ServiceLocator::storage()->get('Ip', 'lastSystemMessageShown');
if ($systemInfo && (!$md5 || $md5 != md5(serialize($systemInfo)))) {
// We have a new message.
$newMessage = false;
foreach (json_decode($systemInfo) as $infoValue) {
if ($infoValue->type != 'status') {
$newMessage = true;
}
}
$_SESSION['ipSystem']['show_system_message'] = $newMessage;
// Display system alert.
} else {
// This message was already seen.
$_SESSION['ipSystem']['show_system_message'] = false;
// Don't display system alert at the top.
return null;
}
}
} else {
// administrator/system tab.
\Ip\ServiceLocator::storage()->set('Ip', 'lastSystemMessageShown', md5(serialize($systemInfo)));
$_SESSION['ipSystem']['show_system_message'] = false;
// Don't display system alert at the top.
}
return new \Ip\Response\Json($systemInfo);
}
