Code layout change.

[wolnelektury.git] / src / funding / templatetags / funding_tags.py

diff --git a/src/funding/templatetags/funding_tags.py b/src/funding/templatetags/funding_tags.py
new file mode 100755 (executable)
index 0000000..5dbeec6
--- /dev/null
+++ b/src/funding/templatetags/funding_tags.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django import template
+from ssify import ssi_variable
+from ssify.utils import ssi_cache_control
+from ..models import Offer
+from ..utils import sanitize_payment_title
+
+register = template.Library()
+
+
+@ssi_variable(register, patch_response=[ssi_cache_control(must_revalidate=True, max_age=0)])
+def current_offer(request):
+    offer = Offer.current()
+    return offer.pk if offer is not None else None
+
+
+register.filter(sanitize_payment_title)