Move django-based uncloud to top-level

uncloud_pay/management/commands/generate-bills.py

@@ -0,0 +1,35 @@
+import logging
+
+from django.core.management.base import BaseCommand
+from uncloud_auth.models import User
+from uncloud_pay.models import Order, Bill
+from django.core.exceptions import ObjectDoesNotExist
+
+from datetime import timedelta, date
+from django.utils import timezone
+from uncloud_pay.models import Bill
+
+logger = logging.getLogger(__name__)
+
+class Command(BaseCommand):
+    help = 'Generate bills and charge customers if necessary.'
+
+    def add_arguments(self, parser):
+        pass
+
+    # TODO: use logger.*
+    def handle(self, *args, **options):
+        # Iterate over all 'active' users.
+        # TODO: filter out inactive users.
+        users = User.objects.all()
+        print("Processing {} users.".format(users.count()))
+
+        for user in users:
+            now = timezone.now()
+            Bill.generate_for(
+                    year=now.year,
+                    month=now.month,
+                    user=user)
+
+        # We're done for this round :-)
+        print("=> Done.")