add pretty basic podcast rss feed

panikweb/urls.py

@@ -25,6 +25,8 @@ urlpatterns = patterns('',
 
     url(r'^search/', 'panikweb.search.view', name='search'),
 
+    url(r'^podcasts.rss', 'panikweb.views.podcasts_feed', name='podcasts-feed'),
+
     (r'^api/v2/', include('fiber.rest_api.urls')),
     (r'^admin/fiber/', include('fiber.admin_urls')),
     (r'^jsi18n/$', 'django.views.i18n.javascript_catalog', {'packages': ('fiber',),}),

panikweb/views.py

@@ -466,3 +466,17 @@ class NewsItemDetailView(DetailView):
     model = NewsItem
 
 newsitem = NewsItemDetailView.as_view()
+
+
+class PodcastsFeedView(TemplateView):
+    template_name = 'podcasts.html'
+    content_type = 'application/rss+xml'
+
+    def get_context_data(self, **kwargs):
+        context = super(PodcastsFeedView, self).get_context_data(**kwargs)
+        context['base_url'] = self.request.build_absolute_uri('/')[:-1]
+        context['soundfiles'] = SoundFile.objects.select_related().filter(
+                podcastable=True).order_by('-creation_timestamp')
+        return context
+
+podcasts_feed = PodcastsFeedView.as_view()

panikweb_templates/templates/podcasts.html

+{% load soundfiles %}<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0"
+  xmlns:dc="http://purl.org/dc/elements/1.1/"
+  xmlns:content="http://purl.org/rss/1.0/modules/content/"
+  xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd">
+<channel>
+    <title>Radio Panik{% if title %} - {{ title }}{% endif %}</title>
+    <link>{{ base_url }}</link>
+    <description></description>
+    <lastBuildDate>{{ soundfiles.0.creation_timestamp|date:"r" }}</lastBuildDate>
+
+    {% for soundfile in soundfiles|slice:":20" %}<item>
+        <title>{% if soundfile.fragment %}{{ soundfile.title }} - {% endif %}{{ soundfile.episode.title }}</title>
+        <link>{{ base_url }}{% url 'episode-view' slug=soundfile.episode.slug emission_slug=soundfile.episode.emission.slug %}</link>
+        <description>{{ soundfile.episode.text|striptags }}</description>
+        <enclosure url="{{ base_url }}{{ soundfile|format_url:'mp3' }}" type="audio/mpeg"/>
+        <guid>{{ soundfile.episode.get_absolute_url }}-{{ soundfile.id }}</guid>
+        <pubDate>{{ soundfile.episode.creation_timestamp|date:"r" }} GMT</pubDate>
+    </item>
+    {% endfor %}
+</channel>
+</rss>