From 41167f22c9943a2a0f389fd24f595f137bf2271f Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Thu, 13 Jul 2023 20:34:41 +1000
Subject: [PATCH] Only update theme if value provided (#5240)

- Handles case where null or invalid value provided
---
 InvenTree/InvenTree/views.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/InvenTree/InvenTree/views.py b/InvenTree/InvenTree/views.py
index 9819defcf6..838e0d7f1b 100644
--- a/InvenTree/InvenTree/views.py
+++ b/InvenTree/InvenTree/views.py
@@ -639,8 +639,12 @@ class AppearanceSelectView(RedirectView):
             user_theme = common_models.ColorTheme()
             user_theme.user = request.user
 
-        user_theme.name = theme
-        user_theme.save()
+        if theme:
+            try:
+                user_theme.name = theme
+                user_theme.save()
+            except Exception:
+                pass
 
         return redirect(reverse_lazy('settings'))