1 files changed, 53 insertions, 0 deletions
diff --git a/library/Toplevelview/Web/Controller.php b/library/Toplevelview/Web/Controller.php
new file mode 100644
index 0000000..c010cd7
--- /dev/null
+++ b/library/Toplevelview/Web/Controller.php
@@ -0,0 +1,53 @@
+<?php
+/* Copyright (C) 2017 Icinga Development Team <info@icinga.com> */
+
+namespace Icinga\Module\Toplevelview\Web;
+
+use Icinga\Application\Icinga;
+use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\IcingaException;
+use Icinga\Module\Monitoring\Backend\MonitoringBackend;
+use Icinga\Web\Controller as IcingaController;
+
+class Controller extends IcingaController
+{
+    /** @var  MonitoringBackend */
+    protected $monitoringBackend;
+
+    public function init()
+    {
+        parent::init();
+
+        if (! extension_loaded('yaml')) {
+            throw new ConfigurationError('You need the PHP extension "yaml" in order to use TopLevelView');
+        }
+    }
+
+    /**
+     * Retrieves the Icinga MonitoringBackend
+     *
+     * @param string|null $name
+     *
+     * @return MonitoringBackend
+     * @throws IcingaException When monitoring is not enabled
+     */
+    protected function monitoringBackend($name = null)
+    {
+        if ($this->monitoringBackend === null) {
+            if (! Icinga::app()->getModuleManager()->hasEnabled('monitoring')) {
+                throw new IcingaException('The module "monitoring" must be enabled and configured!');
+            }
+            $this->monitoringBackend = MonitoringBackend::instance($name);
+        }
+        return $this->monitoringBackend;
+    }
+
+    protected function setViewScript($name, $controller = null)
+    {
+        if ($controller !== null) {
+            $name = sprintf('%s/%s', $controller, $name);
+        }
+        $this->_helper->viewRenderer->setNoController(true);
+        $this->_helper->viewRenderer->setScriptAction($name);
+    }
+}