1 files changed, 74 insertions, 0 deletions
diff --git a/library/Icinga/Web/Widget/ApplicationStateMessages.php b/library/Icinga/Web/Widget/ApplicationStateMessages.php
new file mode 100644
index 0000000..99d3bb2
--- /dev/null
+++ b/library/Icinga/Web/Widget/ApplicationStateMessages.php
@@ -0,0 +1,74 @@
+<?php
+/* Icinga Web 2 | (c) 2018 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Widget;
+
+use Icinga\Application\Config;
+use Icinga\Application\Hook\ApplicationStateHook;
+use Icinga\Authentication\Auth;
+use Icinga\Forms\AcknowledgeApplicationStateMessageForm;
+use Icinga\Web\ApplicationStateCookie;
+use Icinga\Web\Helper\Markdown;
+
+/**
+ * Render application state messages
+ */
+class ApplicationStateMessages extends AbstractWidget
+{
+    protected function getMessages()
+    {
+        $cookie = new ApplicationStateCookie();
+
+        $acked = array_flip($cookie->getAcknowledgedMessages());
+        $messages = ApplicationStateHook::getAllMessages();
+
+        $active = array_diff_key($messages, $acked);
+
+        return $active;
+    }
+
+    public function render()
+    {
+        $enabled = Auth::getInstance()
+            ->getUser()
+            ->getPreferences()
+            ->getValue('icingaweb', 'show_application_state_messages', 'system');
+
+        if ($enabled === 'system') {
+            $enabled = Config::app()->get('global', 'show_application_state_messages', true);
+        }
+
+        if (! (bool) $enabled) {
+            return '<div hidden></div>';
+        }
+
+        $active = $this->getMessages();
+
+        if (empty($active)) {
+            // Force container update on XHR
+            return '<div hidden></div>';
+        }
+
+        $html = '<div>';
+
+        reset($active);
+
+        $id = key($active);
+        $spec = current($active);
+        $message = array_pop($spec); // We don't use state and timestamp here
+
+
+        $ackForm = new AcknowledgeApplicationStateMessageForm();
+        $ackForm->populate(['id' => $id]);
+
+        $html .= '<section class="markdown">';
+        $html .= Markdown::text($message);
+        $html .= '</section>';
+
+        $html .= $ackForm;
+
+        $html .= '</div>';
+
+        return $html;
+    }
+}