resolve group id bug

src/Application/Actions/Group/AddUsersGroupAction.php

@@ -14,10 +14,16 @@ class AddUsersGroupAction extends GroupAction
      */
     protected function action(): Response
     {
+        $parsedRequestBody = (array)$this->request->getParsedBody();
         $groupId = (int) $this->resolveArg('id');
-        $group = $this->groupRepository->find($groupId);
+        if (!isset($parsedRequestBody['ids']))
+        {
+            return $this->response
+            ->withHeader('Location', '/groups/' . $groupId)
+            ->withStatus(302);
+        }
 
-        $parsedRequestBody = (array)$this->request->getParsedBody();
+        $group = $this->groupRepository->find($groupId);
         $user_ids = $parsedRequestBody['ids'];
 
         if (!isset($group)) {

src/Application/Actions/Group/CreateGroupAction.php

@@ -50,7 +50,7 @@ class CreateGroupAction extends GroupAction
         $this->logger->info("Group has been created.");
 
         return $this->response
-            ->withHeader('Location', '/groups' . $groupId)
+            ->withHeader('Location', '/groups' . $group->getId())
             ->withStatus(302);
     }