From 41dc37c8126f062257ce7d5fc8fcf84286b55a88 Mon Sep 17 00:00:00 2001
From: Dan McGee <dan@archlinux.org>
Date: Mon, 20 Sep 2010 16:10:09 -0500
Subject: Update news views to use slug instead of ID

Signed-off-by: Dan McGee <dan@archlinux.org>
---
 news/models.py           |  2 +-
 news/views.py            | 19 ++++++++++++-------
 templates/news/list.html |  4 ++--
 templates/news/view.html |  4 ++--
 urls.py                  | 14 ++++++++------
 5 files changed, 25 insertions(+), 18 deletions(-)

diff --git a/news/models.py b/news/models.py
index 88794cbb..6c8a7039 100644
--- a/news/models.py
+++ b/news/models.py
@@ -12,7 +12,7 @@ class News(models.Model):
     content = models.TextField()
 
     def get_absolute_url(self):
-        return '/news/%i/' % self.id
+        return '/news/%s/' % self.slug
 
     def __unicode__(self):
         return self.title
diff --git a/news/views.py b/news/views.py
index d7148d5b..7fa92c8a 100644
--- a/news/views.py
+++ b/news/views.py
@@ -1,7 +1,7 @@
 from django import forms
 from django.contrib.auth.decorators import permission_required
 from django.http import HttpResponse
-from django.shortcuts import redirect
+from django.shortcuts import get_object_or_404, redirect
 from django.views.decorators.cache import never_cache
 from django.views.generic import list_detail, create_update
 from django.views.generic.simple import direct_to_template
@@ -10,8 +10,13 @@ import markdown
 
 from .models import News
 
-def view(request, newsid):
-    return list_detail.object_detail(request, News.objects.all(), newsid,
+def view_redirect(request, object_id):
+    newsitem = get_object_or_404(News, pk=object_id)
+    return redirect(newsitem, permanent=True)
+
+def view(request, slug=None):
+    return list_detail.object_detail(request, News.objects.all(),
+            slug=slug,
             template_name="news/view.html",
             template_object_name='news')
 
@@ -44,19 +49,19 @@ def add(request):
 
 @permission_required('news.delete_news')
 @never_cache
-def delete(request, newsid):
+def delete(request, slug):
     return create_update.delete_object(request,
             News,
-            object_id=newsid,
+            slug=slug,
             post_delete_redirect='/news/',
             template_name='news/delete.html',
             template_object_name='news')
 
 @permission_required('news.change_news')
 @never_cache
-def edit(request, newsid):
+def edit(request, slug):
     return create_update.update_object(request,
-            object_id=newsid,
+            slug=slug,
             form_class=NewsForm,
             template_name="news/add.html")
 
diff --git a/templates/news/list.html b/templates/news/list.html
index 14ba79b6..26e8c268 100644
--- a/templates/news/list.html
+++ b/templates/news/list.html
@@ -34,11 +34,11 @@
                 <td>{{ item.author.get_full_name }}</td>
                 {% if perms.main.change_news %}
                 <td>
-                    <a href="/news/edit/{{ item.id }}/"
+                    <a href="{{ item.get_absolute_url }}edit/"
                         title="Edit: {{ item.title }}">Edit</a>
                     {% endif %}
                     {% if perms.main.delete_news %}
-                    &nbsp;&nbsp;<a href="/news/delete/{{ item.id }}/"
+                    &nbsp;&nbsp;<a href="{{ item.get_absolute_url }}delete/"
                         title="Delete: {{ item.title }}">Delete</a>
                 </td>
                 {% endif %}
diff --git a/templates/news/view.html b/templates/news/view.html
index 1c92fe78..86a412de 100644
--- a/templates/news/view.html
+++ b/templates/news/view.html
@@ -9,9 +9,9 @@
 
     {% if perms.main.change_news %}
     <ul class="admin-actions">
-        <li><a href="/news/edit/{{ news.id }}/" title="Edit this article">Edit News Item</a></li>
+        <li><a href="edit/" title="Edit this article">Edit News Item</a></li>
         {% if perms.main.delete_news %}
-        <li><a href="/news/delete/{{ news.id }}/" title="Delete this article">Delete News Item</a></li>
+        <li><a href="delete/" title="Delete this article">Delete News Item</a></li>
         {% endif %}
     </ul>
     {% endif %}
diff --git a/urls.py b/urls.py
index 3f394426..5ff57970 100644
--- a/urls.py
+++ b/urls.py
@@ -62,12 +62,14 @@ urlpatterns = patterns('',
     (r'^todo/$',                    'todolists.views.list'),
     (r'^todolists/$',               'todolists.views.public_list'),
 
-    (r'^news/(\d+)/$',         'news.views.view'),
-    (r'^news/add/$',           'news.views.add'),
-    (r'^news/edit/(\d+)/$',    'news.views.edit'),
-    (r'^news/delete/(\d+)/$',  'news.views.delete'),
-    (r'^news/preview/$',       'news.views.preview'),
-    (r'^news/$',               'news.views.list', {}, 'news-list'),
+    (r'^news/add/$',                     'news.views.add'),
+    (r'^news/preview/$',                 'news.views.preview'),
+    # old news URLs, permanent redirect view so we don't break all links
+    (r'^news/(?P<object_id>\d+)/$',      'news.views.view_redirect'),
+    (r'^news/(?P<slug>[-\w]+)/$',        'news.views.view'),
+    (r'^news/(?P<slug>[-\w]+)/edit/$',   'news.views.edit'),
+    (r'^news/(?P<slug>[-\w]+)/delete/$', 'news.views.delete'),
+    (r'^news/$',                         'news.views.list', {}, 'news-list'),
 
     (r'^mirrors/$',        'devel.views.mirrorlist', {}, 'mirrors-list'),
 
-- 
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