Move django-based uncloud to top-level

uncloud_pay/management/commands/handle-overdue-bills.py

@@ -0,0 +1,23 @@
+from django.core.management.base import BaseCommand
+from uncloud_auth.models import User
+from uncloud_pay.models import Bill
+
+from datetime import timedelta
+from django.utils import timezone
+
+class Command(BaseCommand):
+    help = 'Take action on overdue bills.'
+
+    def add_arguments(self, parser):
+        pass
+
+    def handle(self, *args, **options):
+        users = User.objects.all()
+        print("Processing {} users.".format(users.count()))
+        for user in users:
+            for bill in Bill.get_overdue_for(user):
+                print("/!\ Overdue bill for {}, {} with amount {}"
+                        .format(user.username, bill.uuid, bill.amount))
+                # TODO: take action?
+
+        print("=> Done.")