General A/B testing.

[wolnelektury.git] / src / paypal / models.py

diff --git a/src/paypal/models.py b/src/paypal/models.py
index 527e804..2ce3635 100644 (file)
--- a/src/paypal/models.py
+++ b/src/paypal/models.py
@@ -1,4 +1,3 @@
-# -*- 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.
 #
@@ -14,7 +13,11 @@ class BillingPlan(models.Model):
 
 class BillingAgreement(models.Model):
     agreement_id = models.CharField(max_length=32)
-    user = models.ForeignKey(User)
-    plan = models.ForeignKey(BillingPlan)
+    user = models.ForeignKey(User, models.PROTECT)
+    plan = models.ForeignKey(BillingPlan, models.PROTECT)
     active = models.BooleanField(max_length=32)
     token = models.CharField(max_length=32)
+
+    def check_agreement(self):
+        from .rest import check_agreement
+        return check_agreement(self.agreement_id)