Command to delete old user setting objects

boards/management/commands/cleansettings.py

@@ -1,19 +1,27 b''
+from importlib import import_module
+
 from django.core.management import BaseCommand
 from django.db import transaction
-from django.db.models import Count
+from django.conf import settings
 
-from boards.models import Tag
+from boards.models.user import UserSettings
 
 
+SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
+
 __author__ = 'neko259'
 
 
 class Command(BaseCommand):
-    help = 'Removed tags that have no threads'
+    help = 'Remove user settings that do not have their sessions.'
 
     @transaction.atomic
     def handle(self, *args, **options):
-        empty = Tag.objects.annotate(num_threads=Count('thread_tags'))\
-                .filter(num_threads=0).order_by('-required', 'name')
-        print('Removing {} empty tags'.format(empty.count()))
-        empty.delete()
+
+        count = 0
+        for setting in UserSettings.objects.all():
+            session = SessionStore(session_key=setting.session_key)
+            if session.is_empty():
+                setting.delete()
+                count += 1
+        print('Removed {} empty setting objects.'.format(count))

boards/management/commands/cleantags.py

@@ -9,7 +9,7 b' from boards.models import Tag'
 
 
 class Command(BaseCommand):
-    help = 'Removed tags that have no threads'
+    help = 'Remove tags that have no threads'
 
     @transaction.atomic
     def handle(self, *args, **options):