138 lines
3.1 KiB
PHP
138 lines
3.1 KiB
PHP
<?php
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/* Icinga Web 2 | (c) 2013-2015 Icinga Development Team | GPLv2+ */
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namespace Icinga\Web;
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use Icinga\Exception\ProgrammingError;
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use Icinga\Application\Platform;
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use Icinga\Application\Logger;
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use Icinga\Web\Session;
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/**
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* // @TODO(eL): Use Notification not as Singleton but within request:
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* <code>
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* <?php
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* $request->[getUser()]->notify('some message', Notification::INFO);
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* </code>
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*/
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class Notification
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{
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protected static $instance;
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protected $isCli = false;
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protected $session;
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protected $messages = array();
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public static function info($msg)
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{
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self::getInstance()->addMessage($msg, 'info');
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}
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public static function success($msg)
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{
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self::getInstance()->addMessage($msg, 'success');
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}
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public static function warning($msg)
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{
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self::getInstance()->addMessage($msg, 'warning');
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}
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public static function error($msg)
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{
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self::getInstance()->addMessage($msg, 'error');
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}
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protected function addMessage($message, $type = 'info')
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{
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if (! in_array(
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$type,
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array(
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'info',
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'error',
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'warning',
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'success'
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)
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)) {
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throw new ProgrammingError(
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'"%s" is not a valid notification type',
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$type
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);
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}
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if ($this->isCli) {
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$msg = sprintf('[%s] %s', $type, $message);
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switch ($type) {
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case 'info':
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case 'success':
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Logger::info($msg);
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break;
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case 'warning':
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Logger::warn($msg);
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break;
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case 'error':
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Logger::error($msg);
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break;
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}
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return;
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}
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$this->messages[] = (object) array(
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'type' => $type,
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'message' => $message,
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);
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}
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public function hasMessages()
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{
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return false === empty($this->messages);
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}
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public function getMessages()
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{
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$messages = $this->messages;
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$this->messages = array();
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return $messages;
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}
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final private function __construct()
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{
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if (Platform::isCli()) {
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$this->isCli = true;
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return;
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}
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$this->session = Session::getSession();
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$stored = $this->session->get('messages');
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if (is_array($stored)) {
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$this->messages = $stored;
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$this->session->set('messages', array());
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$this->session->write();
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}
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}
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public static function getInstance()
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{
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if (self::$instance === null) {
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self::$instance = new Notification();
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}
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return self::$instance;
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}
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final public function __destruct()
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{
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if ($this->isCli) {
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return;
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}
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if ($this->session->get('messages') !== $this->messages) {
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$this->session->set('messages', $this->messages);
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}
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$this->session->write();
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unset($this->session);
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}
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}
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