Add view that lists all available tags as json

For external consumption. Only tag and description is viewed, but URLs
to the feeds and pages can easily be constructed using it.

diff --git a/pgweb/news/views.py b/pgweb/news/views.py
index a20f456b93ea7ea3888587cf98849be76dbfc246..1c2b093a9114c1950b65995c987b3093322b8f41 100644 (file)
--- a/pgweb/news/views.py
+++ b/pgweb/news/views.py
@@ -1,5 +1,5 @@
 from django.shortcuts import render_to_response, get_object_or_404
-from django.http import Http404
+from django.http import HttpResponse, Http404
 from pgweb.util.decorators import login_required
 
 from pgweb.util.contexts import NavContext
@@ -8,6 +8,8 @@ from pgweb.util.helpers import simple_form
 from models import NewsArticle, NewsTag
 from forms import NewsArticleForm
 
+import json
+
 def archive(request, tag=None, paging=None):
        if tag:
                tag = get_object_or_404(NewsTag,urlname=tag.strip('/'))
@@ -30,6 +32,12 @@ def item(request, itemid, throwaway=None):
                'newstags': NewsTag.objects.all(),
        }, NavContext(request, 'about'))
 
+def taglist_json(request):
+       return HttpResponse(json.dumps({
+               'tags': [{'name': t.urlname, 'description': t.description} for t in NewsTag.objects.distinct('urlname')],
+       }), content_type='application/json')
+
+
 @login_required
 def form(request, itemid):
        return simple_form(NewsArticle, itemid, request, NewsArticleForm,

diff --git a/pgweb/urls.py b/pgweb/urls.py
index 04e6d61061d967f888fe69f7f5e665e8a54637ed..1dba7ccfdb643bbc352c04e61bc3502dcdc2b613 100644 (file)
--- a/pgweb/urls.py
+++ b/pgweb/urls.py
@@ -21,6 +21,7 @@ urlpatterns = patterns('',
 
        (r'^about/newsarchive/([^/]+/)?$', 'pgweb.news.views.archive'),
        (r'^about/news/(\d+)(-.*)?/$', 'pgweb.news.views.item'),
+       (r'^about/news/taglist.json/$', 'pgweb.news.views.taglist_json'),
        (r'^about/events/$', 'pgweb.events.views.main'),
        (r'^about/eventarchive/$', 'pgweb.events.views.archive'),
        (r'^about/eventarchive/training/$', 'pgweb.events.views.trainingarchive'),