Fix bug when user arrives at SubscriptionCreateView to reroute if no subscription

storefront/views.py

@@ -626,6 +626,11 @@ class SubscriptionCreateView(SuccessMessageMixin, CreateView):
     template_name = 'storefront/subscription/create_form.html'
     fields = []
 
+    def get(self, request, *args, **kwargs):
+        if not self.request.session.get('subscription'):
+            return HttpResponseRedirect(reverse('storefront:subscription-form'))
+        return super().get(request, *args, **kwargs)
+
     def get_item_list(self):
         item_list = [{
             'product': Product.objects.get(pk=item['pk']),