From c6951d2e059b48e2ff0b2be83fc79d773893f874 Mon Sep 17 00:00:00 2001
From: "A.Unger" <zyxancf@gmail.com>
Date: Tue, 13 Apr 2021 11:48:11 +0200
Subject: [PATCH] guard against possible empty groups

---
 ocs/pkg/service/v0/groups.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ocs/pkg/service/v0/groups.go b/ocs/pkg/service/v0/groups.go
index ea98eb0b44..c149610867 100644
--- a/ocs/pkg/service/v0/groups.go
+++ b/ocs/pkg/service/v0/groups.go
@@ -28,8 +28,10 @@ func (o Ocs) ListUserGroups(w http.ResponseWriter, r *http.Request) {
 
 	// short circuit if there is a user already in the context
 	if u, ok := user.ContextGetUser(r.Context()); ok {
-		mustNotFail(render.Render(w, r, response.DataRender(&data.Groups{Groups: u.Groups})))
-		return
+		if len(u.Groups) > 0 {
+			mustNotFail(render.Render(w, r, response.DataRender(&data.Groups{Groups: u.Groups})))
+			return
+		}
 	}
 
 	if isValidUUID(userid) {