From 4e0c4a00e253b139bc6f401be92beca7bf6edab8 Mon Sep 17 00:00:00 2001
From: Fabio Caccamo <fabio.caccamo@gmail.com>
Date: Wed, 6 Feb 2019 16:21:50 +0100
Subject: [PATCH] Fixed IntegrityError on postgres

---
 admin_interface/models.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/admin_interface/models.py b/admin_interface/models.py
index b55c40d..103eb15 100644
--- a/admin_interface/models.py
+++ b/admin_interface/models.py
@@ -28,16 +28,17 @@ class Theme(models.Model):
 
     @staticmethod
     def get_active_theme():
-        objs_active_qs = Theme.objects.filter(active=True)
+        objs_manager = Theme.objects
+        objs_active_qs = objs_manager.filter(active=True)
         objs_active_ls = list(objs_active_qs)
         objs_active_count = len(objs_active_ls)
 
         if objs_active_count == 0:
-            default_obj, default_obj_created = Theme.objects.get_or_create(
-                pk='1', defaults={'active': True})
-            if not default_obj_created:
-                default_obj.set_active()
-            obj = default_obj
+            obj = objs_manager.all().first()
+            if obj:
+                obj.set_active()
+            else:
+                obj = objs_manager.create()
 
         elif objs_active_count == 1:
             obj = objs_active_ls[0]