icingaweb2/library/Icinga/Web/Notification.php

122 lines
2.8 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
// {{{ICINGA_LICENSE_HEADER}}}
namespace Icinga\Web;
use Icinga\Exception\ProgrammingError;
use Icinga\Application\Platform;
use Icinga\Application\Logger;
use Icinga\Web\Session;
/**
* // @TODO(eL): Use Notification not as Singleton but within request:
* <code>
* <?php
* $request->[getUser()]->notify('some message', Notification::INFO);
* </code>
*/
class Notification
{
protected static $instance;
protected $isCli = false;
public static function info($msg)
{
self::getInstance()->addMessage($msg, 'info');
}
public static function success($msg)
{
self::getInstance()->addMessage($msg, 'success');
}
public static function warning($msg)
{
self::getInstance()->addMessage($msg, 'warning');
}
public static function error($msg)
{
self::getInstance()->addMessage($msg, 'error');
}
protected function addMessage($message, $type = 'info')
{
if (! in_array(
$type,
array(
'info',
'error',
'warning',
'success'
)
)) {
throw new ProgrammingError(
'"%s" is not a valid notification type',
$type
);
}
if ($this->isCli) {
$msg = sprintf('[%s] %s', $type, $message);
switch ($type) {
case 'info':
case 'success':
Logger::info($msg);
break;
case 'warning':
Logger::warn($msg);
break;
case 'error':
Logger::error($msg);
break;
}
return;
}
$messages = & Session::getSession()->getByRef('messages');
$messages[] = (object) array(
'type' => $type,
'message' => $message,
);
}
public function hasMessages()
{
$session = Session::getSession();
return false === empty($session->messages);
}
public function getMessages()
{
$session = Session::getSession();
$messages = $session->messages;
if (false === empty($messages)) {
$session->messages = array();
}
return $messages;
}
final private function __construct()
{
$session = Session::getSession();
if (!is_array($session->get('messages'))) {
$session->messages = array();
}
if (Platform::isCli()) {
$this->is_cli = true;
}
}
public static function getInstance()
{
if (self::$instance === null) {
self::$instance = new Notification();
}
return self::$instance;
}
}