update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/Monolog/Handler/WebNotificationHandler.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Plugins\Monolog\Handler;
+
+use Monolog\Handler\AbstractProcessingHandler;
+use Monolog\Logger;
+use Piwik\Common;
+use Piwik\Notification;
+use Piwik\Notification\Manager;
+use Zend_Session_Exception;
+
+/**
+ * Writes log messages into HTML notification box.
+ */
+class WebNotificationHandler extends AbstractProcessingHandler
+{
+    protected function write(array $record)
+    {
+        switch ($record['level']) {
+            case Logger::EMERGENCY:
+            case Logger::ALERT:
+            case Logger::CRITICAL:
+            case Logger::ERROR:
+                $context = Notification::CONTEXT_ERROR;
+                break;
+            case Logger::WARNING:
+                $context = Notification::CONTEXT_WARNING;
+                break;
+            default:
+                $context = Notification::CONTEXT_INFO;
+                break;
+        }
+
+        $message = $record['level_name'] . ': ' . htmlentities($record['message']);
+
+        $notification = new Notification($message);
+        $notification->context = $context;
+        $notification->flags = 0;
+        try {
+            Manager::notify(Common::getRandomString(), $notification);
+        } catch (Zend_Session_Exception $e) {
+            // Can happen if this handler is enabled in CLI
+            // Silently ignore the error.
+        }
+    }
+}