1 files changed, 97 insertions, 0 deletions
diff --git a/application/controllers/ErrorController.php b/application/controllers/ErrorController.php
new file mode 100644
index 0000000..38621c0
--- /dev/null
+++ b/application/controllers/ErrorController.php
@@ -0,0 +1,97 @@
+<?php
+
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Controllers;
+
+use Icinga\Controllers\ErrorController as IcingaErrorController;
+use ipl\Html\Html;
+use ipl\Html\HtmlDocument;
+use ipl\Web\Layout\Content;
+use ipl\Web\Layout\Controls;
+use ipl\Web\Url;
+use ipl\Web\Widget\Link;
+use ipl\Web\Widget\Tabs;
+
+class ErrorController extends IcingaErrorController
+{
+    /** @var HtmlDocument */
+    protected $document;
+
+    /** @var Controls */
+    protected $controls;
+
+    /** @var Content */
+    protected $content;
+
+    /** @var Tabs */
+    protected $tabs;
+
+    protected function prepareInit()
+    {
+        $this->document = new HtmlDocument();
+        $this->document->setSeparator("\n");
+        $this->controls = new Controls();
+        $this->content = new Content();
+        $this->tabs = new Tabs();
+
+        $this->controls->setTabs($this->tabs);
+        $this->view->document = $this->document;
+    }
+
+    public function postDispatch()
+    {
+        $this->tabs->add(uniqid(), [
+            'active'    => true,
+            'label'     => $this->view->title,
+            'url'       => $this->getRequest()->getUrl()
+        ]);
+
+        if (! $this->content->isEmpty()) {
+            $this->document->prepend($this->content);
+        }
+
+        if (! $this->view->compact && ! $this->controls->isEmpty()) {
+            $this->document->prepend($this->controls);
+        }
+
+        parent::postDispatch();
+    }
+
+    protected function postDispatchXhr()
+    {
+        parent::postDispatchXhr();
+        $this->getResponse()->setHeader('X-Icinga-Module', $this->getModuleName(), true);
+    }
+
+    public function errorAction()
+    {
+        $error = $this->getParam('error_handler');
+        $exception = $error->exception;
+        /** @var \Exception $exception */
+
+        $message = $exception->getMessage();
+        if (substr($message, 0, 27) !== 'Cannot load resource config') {
+            $this->forward('error', 'error', 'default');
+            return;
+        } else {
+            $this->setParam('error_handler', null);
+        }
+
+        // TODO: Find a native way for ipl-html to support enriching text with html
+        $heading = Html::tag('h2', t('Database not configured'));
+        $intro = Html::tag('p', ['data-base-target' => '_next'], Html::sprintf(
+            'You seem to not have configured a resource for Icinga DB yet. Please %s and then tell Icinga DB Web %s.',
+            new Link(
+                Html::tag('strong', 'create one'),
+                Url::fromPath('config/resource')
+            ),
+            new Link(
+                Html::tag('strong', 'which one it is'),
+                Url::fromPath('icingadb/config/database')
+            )
+        ));
+
+        $this->content->add([$heading, $intro]);
+    }
+}