Show current users of discount codes in admin view

diff --git a/postgresqleu/confreg/backendforms.py b/postgresqleu/confreg/backendforms.py
index c6c9ee39111b79042667ab471ae0d39ca60ab19b..cb90fc6a240592bd43cf2e30dcfc99b870c8eced 100644 (file)
--- a/postgresqleu/confreg/backendforms.py
+++ b/postgresqleu/confreg/backendforms.py
@@ -6,6 +6,7 @@ import django.forms.widgets
 from django.utils.safestring import mark_safe
 
 import datetime
+from collections import OrderedDict
 from psycopg2.extras import DateTimeTZRange
 
 from postgresqleu.util.forms import ConcurrentProtectedModelForm
@@ -622,9 +623,28 @@ class BackendNewDiscountCodeForm(django.forms.Form):
        def get_newform_data(self):
                return self.cleaned_data['codetype']
 
+class DiscountCodeUserManager(object):
+       title = 'Users'
+       singular = 'user'
+
+       def get_list(self, instance):
+               return [(r.id, r.fullname, r.invoice_status) for r in ConferenceRegistration.objects.filter(conference=instance.conference, vouchercode=instance.code)]
+
+       def get_form(self):
+               return None
+
+       def get_object(self, masterobj, subjid):
+               try:
+                       return ConferenceRegistration.objects.get(discountcode=blah, pk=subjid)
+               except ConferenceRegistration.DoesNotExist:
+                       return None
+
 class BackendDiscountCodeForm(BackendForm):
        helplink='vouchers#discountcodes'
        list_fields = ['code', 'validuntil', 'maxuses']
+       linked_objects = OrderedDict({
+               '../../regdashboard/list': DiscountCodeUserManager(),
+       })
 
        form_before_new = BackendNewDiscountCodeForm