From b69fb09c9072bbf2bfb7519275a2cd42e71e7204 Mon Sep 17 00:00:00 2001
From: Sukhwinder Dhillon <sukhwinder33445@gmail.com>
Date: Wed, 18 Dec 2024 12:53:57 +0100
Subject: [PATCH] Don't show `parents` `children` tab if `icingadb.schema` does
 not support it

---
 application/controllers/HostController.php    | 19 +++++++++++-------
 application/controllers/ServiceController.php | 20 +++++++++++--------
 2 files changed, 24 insertions(+), 15 deletions(-)

diff --git a/application/controllers/HostController.php b/application/controllers/HostController.php
index d47a8e3d..c900f570 100644
--- a/application/controllers/HostController.php
+++ b/application/controllers/HostController.php
@@ -8,6 +8,7 @@ use ArrayIterator;
 use Icinga\Exception\NotFoundError;
 use Icinga\Module\Icingadb\Command\Object\GetObjectCommand;
 use Icinga\Module\Icingadb\Command\Transport\CommandTransport;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\CommandActions;
 use Icinga\Module\Icingadb\Common\HostLinks;
 use Icinga\Module\Icingadb\Common\Links;
@@ -434,13 +435,17 @@ class HostController extends Controller
 
     protected function createTabs(): Tabs
     {
-        $hasDependencyNode = DependencyNode::on($this->getDb())
-                ->columns([new Expression('1')])
-                ->filter(Filter::all(
-                    Filter::equal('host_id', $this->host->id),
-                    Filter::unlike('service_id', '*')
-                ))
-                ->first() !== null;
+        if (! Backend::supportsDependencies()) {
+            $hasDependencyNode = false;
+        } else {
+            $hasDependencyNode = DependencyNode::on($this->getDb())
+                    ->columns([new Expression('1')])
+                    ->filter(Filter::all(
+                        Filter::equal('host_id', $this->host->id),
+                        Filter::unlike('service_id', '*')
+                    ))
+                    ->first() !== null;
+        }
 
         $tabs = $this->getTabs()
             ->add('index', [
diff --git a/application/controllers/ServiceController.php b/application/controllers/ServiceController.php
index ec09701f..0d5a5164 100644
--- a/application/controllers/ServiceController.php
+++ b/application/controllers/ServiceController.php
@@ -407,13 +407,17 @@ class ServiceController extends Controller
 
     protected function createTabs(): Tabs
     {
-        $hasDependecyNode = DependencyNode::on($this->getDb())
-                ->columns([new Expression('1')])
-                ->filter(Filter::all(
-                    Filter::equal('service_id', $this->service->id),
-                    Filter::equal('host_id', $this->service->host_id)
-                ))
-                ->first() !== null;
+        if (! Backend::supportsDependencies()) {
+            $hasDependencyNode = false;
+        } else {
+            $hasDependencyNode = DependencyNode::on($this->getDb())
+                    ->columns([new Expression('1')])
+                    ->filter(Filter::all(
+                        Filter::equal('service_id', $this->service->id),
+                        Filter::equal('host_id', $this->service->host_id)
+                    ))
+                    ->first() !== null;
+        }
 
         $tabs = $this->getTabs()
             ->add('index', [
@@ -425,7 +429,7 @@ class ServiceController extends Controller
                 'url'    => ServiceLinks::history($this->service, $this->service->host)
             ]);
 
-        if ($hasDependecyNode) {
+        if ($hasDependencyNode) {
             $tabs->add('parents', [
                 'label'  => $this->translate('Parents'),
                 'url'    => Url::fromPath(