From 82cc96173d5456c8686da8e4d5631927228d18d7 Mon Sep 17 00:00:00 2001
From: Johannes Meyer <johannes.meyer@netways.de>
Date: Fri, 11 Nov 2016 11:01:16 +0100
Subject: [PATCH] ConfigController: Warn the user if he's about to remove
 referenced resources

refs #9804
---
 application/controllers/ConfigController.php | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/application/controllers/ConfigController.php b/application/controllers/ConfigController.php
index c65298377..d22e3a680 100644
--- a/application/controllers/ConfigController.php
+++ b/application/controllers/ConfigController.php
@@ -395,10 +395,10 @@ class ConfigController extends Controller
         $authConfig = Config::app('authentication');
         foreach ($authConfig as $backendName => $config) {
             if ($config->get('resource') === $resource) {
-                $form->addDescription(sprintf(
+                $form->warning(sprintf(
                     $this->translate(
-                        'The resource "%s" is currently utilized for authentication by user backend "%s". ' .
-                        'Removing the resource can result in noone being able to log in any longer.'
+                        'The resource "%s" is currently utilized for authentication by user backend "%s".'
+                        . ' Removing the resource can result in noone being able to log in any longer.'
                     ),
                     $resource,
                     $backendName
@@ -406,6 +406,17 @@ class ConfigController extends Controller
             }
         }
 
+        // Check if selected resource is currently used as user preferences backend
+        if (Config::app()->get('global', 'config_resource') === $resource) {
+            $form->warning(sprintf(
+                $this->translate(
+                    'The resource "%s" is currently utilized to store user preferences. Removing the'
+                    . ' resource causes all current user preferences not being available any longer.'
+                ),
+                $resource
+            ));
+        }
+
         $this->view->form = $form;
         $this->render('resource/remove');
     }