From 896509252319ba7ab1365bc1d117f3eaf16f0890 Mon Sep 17 00:00:00 2001
From: Arne Gnisa <arne.gnisa@capgemini.com>
Date: Fri, 22 Sep 2023 13:06:14 +0200
Subject: [PATCH 1/3] N21-1269 fix

---
 controllers/oauth2.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/controllers/oauth2.js b/controllers/oauth2.js
index aadc175442..f5354e4b4d 100644
--- a/controllers/oauth2.js
+++ b/controllers/oauth2.js
@@ -155,7 +155,7 @@ router.get('/username/:pseudonym', async (req, res, next) => {
 						qs: { id: pseudonymResponse.userId },
 						$limit: 1,
 					});
-				if (userResponse.data?.length === 1) {
+				if (userResponse.data?.length > 0) {
 					completeName = `${userResponse.data[0].firstName} ${userResponse.data[0].lastName}`;
 					shortName = `${userResponse.data[0].firstName} ${userResponse.data[0].lastName.charAt(0)}.`;
 				}

From a078262113ab6d5dbb1ea450cc06b5f9235054f9 Mon Sep 17 00:00:00 2001
From: Arne Gnisa <arne.gnisa@capgemini.com>
Date: Fri, 22 Sep 2023 13:34:11 +0200
Subject: [PATCH 2/3] N21-1269 fix 2

---
 controllers/oauth2.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/controllers/oauth2.js b/controllers/oauth2.js
index f5354e4b4d..3e0c6c9731 100644
--- a/controllers/oauth2.js
+++ b/controllers/oauth2.js
@@ -155,7 +155,7 @@ router.get('/username/:pseudonym', async (req, res, next) => {
 						qs: { id: pseudonymResponse.userId },
 						$limit: 1,
 					});
-				if (userResponse.data?.length > 0) {
+				if (userResponse.data.length) {
 					completeName = `${userResponse.data[0].firstName} ${userResponse.data[0].lastName}`;
 					shortName = `${userResponse.data[0].firstName} ${userResponse.data[0].lastName.charAt(0)}.`;
 				}

From 917b68491eb41bb4d58718074ed429a7db31457d Mon Sep 17 00:00:00 2001
From: Arne Gnisa <arne.gnisa@capgemini.com>
Date: Fri, 22 Sep 2023 14:38:13 +0200
Subject: [PATCH 3/3] N21-1269 fix 2

---
 controllers/oauth2.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/controllers/oauth2.js b/controllers/oauth2.js
index 3e0c6c9731..0b47996516 100644
--- a/controllers/oauth2.js
+++ b/controllers/oauth2.js
@@ -149,10 +149,9 @@ router.get('/username/:pseudonym', async (req, res, next) => {
 			if (Configuration.get('FEATURE_CTL_TOOLS_TAB_ENABLED')) {
 				const pseudonymResponse = await api(req, { version: 'v3' })
 					.get(`/pseudonyms/${req.params.pseudonym}`);
-
 				const userResponse = await api(req)
 					.get('/users', {
-						qs: { id: pseudonymResponse.userId },
+						qs: { _id: pseudonymResponse.userId },
 						$limit: 1,
 					});
 				if (userResponse.data.length) {