monitoring: Introduce `ServiceController'

In the long term, `ServiceController' and the upcmoing `HostController' should replace `ShowController'.

refs #6593

modules/monitoring/application/controllers/ServiceController.php

@@ -0,0 +1,41 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+use Icinga\Module\Monitoring\Controller;
+use Icinga\Module\Monitoring\Form\Command\CommandForm;
+use Icinga\Module\Monitoring\Form\Command\Service\ScheduleServiceDowntimeCommandForm;
+use Icinga\Module\Monitoring\Object\Service;
+
+class Monitoring_ServiceController extends Controller
+{
+    /**
+     * @var Service
+     */
+    protected $service;
+
+    public function init()
+    {
+        $this->service = new Service($this->params);  // Use $this->_request->getParams() instead of $this->params
+                                                      // once #7049 has been fixed
+    }
+
+    protected function handleCommandForm(CommandForm $form)
+    {
+        $form
+            ->setService($this->service)
+            ->handleRequest();
+        $this->view->form = $form;
+        $this->_helper->viewRenderer('command');
+        return $form;
+    }
+
+    /**
+     * Schedule a service downtime
+     */
+    public function scheduleDowntimeAction()
+    {
+        $this->view->title = $this->translate('Schedule Service Downtime');
+        $this->handleCommandForm(new ScheduleServiceDowntimeCommandForm());
+    }
+}