create news rss feed, closes #30

news/feeds.py

@@ -0,0 +1,24 @@
+from datetime import datetime
+from dateutil.tz import tzlocal
+from django.contrib.syndication.views import Feed
+from django.urls import reverse
+from news.models import Post
+
+
+class LatestPosts(Feed):
+    title = "TTS Office of Acquisitions Updates"
+    link = "/news/"
+    description = "Updates from the TTS Office of Acquisitions team about "\
+                  "experiments, buys, events, and more"
+
+    def items(self):
+        return Post.objects.filter(
+            draft=False,
+            publication_date__lte=datetime.now(tzlocal()),
+        ).order_by('publication_date')[:20]
+
+    def item_title(self, item):
+        return item.title
+
+    def item_description(self, item):
+        return item.content

news/models.py

@@ -38,7 +38,7 @@ def __str__(self):
         return "{0} | {1}".format(self.title, self.publication_date)
 
     def get_absolute_url(self):
-        return reverse('news:post', self.slug)
+        return reverse('news:post', args=[self.slug])
 
     def clean(self):
         if self.draft and self.publication_date is not None:

news/urls.py

@@ -1,7 +1,9 @@
 from django.conf.urls import include, url
 from news import views
+from news.feeds import LatestPosts
 
 urlpatterns = [
     url(r'^$', views.posts, name='posts'),
+    url(r'^rss/$', LatestPosts()),
     url(r'^(?P<slug>[a-z\-]+)$', views.post, name='post'),
 ]