add new json stat view

newsletter/urls.py

@@ -6,6 +6,7 @@ urlpatterns = patterns('',
     url(r'^$', 'newsletter.views.subscribe', name='newsletter-subscribe'),
     url(r'^thanks/$', 'newsletter.views.thanks', name='newsletter-thanks'),
     url(r'^(?P<token>[0-9a-f]{40})$', 'newsletter.views.confirmation', name='newsletter-confirmation'),
+    url(r'^stats/$', 'newsletter.views.stats'),
     url(r'^unsubscription/$', unsubscription),
 )
 

newsletter/views.py

@@ -21,6 +21,9 @@ from django.views.generic.base import TemplateView
 from django.views.generic.detail import DetailView
 from django.views.generic.list import ListView
 from django.views.generic.edit import CreateView, UpdateView
+from django.views.decorators.csrf import csrf_exempt
+
+from jsonresponse import to_json
 
 from .forms import SubscribeForm, NewsletterForm
 from .models import Subscriber, Newsletter
@@ -126,3 +129,9 @@ class NewsletterUpdateView(UpdateView):
         return super(NewsletterUpdateView, self).get_form(*args, **kwargs)
 
 newsletter_update = NewsletterUpdateView.as_view()
+
+
+@csrf_exempt
+@to_json('api')
+def stats(request) :
+    return {'registered': Subscriber.objects.filter(is_registered=True).count()}