From 74c070279fb1c240779f9562ab6171ba32e3d744 Mon Sep 17 00:00:00 2001
From: Tom Willemsen
Date: Tue, 27 Mar 2012 22:44:39 +0200
Subject: Add categories to main page

---
 aggregator/views.py             | 20 ++++++++++++--------
 static/main.css                 | 15 +++++++++++++++
 templates/aggregator/base.html  |  8 +++++++-
 templates/aggregator/posts.html |  6 ++++--
 urls.py                         |  3 ++-
 5 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/aggregator/views.py b/aggregator/views.py
index b0fdf3b..aaea0f9 100644
--- a/aggregator/views.py
+++ b/aggregator/views.py
@@ -1,12 +1,14 @@
 from django.core.paginator import Paginator, InvalidPage, EmptyPage
 from django.http import Http404
-from django.shortcuts import render_to_response
+from django.shortcuts import render
+from django.views.generic.base import TemplateView
 
-from .models import Post, Feed
+from .models import Post, Feed, Category
 
-def posts(request, page=1):
-    queryset = Post.objects.all()
-    feeds = Feed.objects.all()
+def posts(request, cat, page=1):
+    category = cat or 'posts'
+    queryset = Post.objects.filter(feed__categories__name=category)
+    feeds = Feed.objects.filter(categories__name=category)
     paginator = Paginator(queryset, 20)
 
     if page == None:
@@ -17,6 +19,8 @@ def posts(request, page=1):
     except (EmptyPage, InvalidPage):
         raise Http404
 
-    return render_to_response('aggregator/posts.html',
-                              { 'list': object_list,
-                                'feeds': feeds })
+    return render(request, 'aggregator/posts.html',
+                  { 'list': object_list,
+                    'feeds': feeds,
+                    'category': category,
+                    'categories': Category.objects.order_by('name') })
diff --git a/static/main.css b/static/main.css
index 8a7f2b5..24b7f7f 100644
--- a/static/main.css
+++ b/static/main.css
@@ -18,6 +18,21 @@ body {
     font-family: "DejaVu Sans", sans-serif;
 }
 
+.category {
+    display: block;
+    float: right;
+    padding: 0 5px;
+    border-left: 1px #202020 solid;
+    margin-left: 5px;
+}
+
+.category:hover {
+    border-left: 1px #ffffff solid;
+    background-color: #dddddd;
+    color: #404040;
+    text-decoration: none;
+}
+
 .clear {
     clear: both;
 }
diff --git a/templates/aggregator/base.html b/templates/aggregator/base.html
index 6a37f5a..0826711 100644
--- a/templates/aggregator/base.html
+++ b/templates/aggregator/base.html
@@ -14,7 +14,13 @@
     <h1 id="sitetitle">
       <span id="blue">ryu</span><span id="orange">slash</span>
     </h1>
-    <div id="sitesubtitle">Will this ever really be my website?</div>
+    <div id="sitesubtitle">
+      Will this ever really be my website?
+      {% for category in categories %}
+        <a class="category"
+           href="/{{ category.name|slugify }}/">{{ category.name }}</a>
+      {% endfor %}
+    </div>
 
     {% block menu %}{% endblock %}
 
diff --git a/templates/aggregator/posts.html b/templates/aggregator/posts.html
index 2a5b8a1..efd1cb1 100644
--- a/templates/aggregator/posts.html
+++ b/templates/aggregator/posts.html
@@ -24,13 +24,15 @@
 <div id="pager">
   {% if list.has_previous %}
     <div class="nav-prev">
-      <a href="/{{ list.previous_page_number }}/" id="previous">previous</a>
+      <a href="/{{ category }}/{{ list.previous_page_number }}/"
+         id="previous">previous</a>
     </div>
   {% endif %}
 
   {% if list.has_next %}
     <div class="nav-next">
-      <a href="/{{ list.next_page_number }}/" id="next">next</a>
+      <a href="/{{ category }}/{{ list.next_page_number }}/"
+         id="next">next</a>
     </div>
   {% endif %}
 
diff --git a/urls.py b/urls.py
index 039dff2..a8edc88 100644
--- a/urls.py
+++ b/urls.py
@@ -6,7 +6,8 @@ from aggregator.models import Post
 from aggregator.feeds import LatestPostsFeed, LatestCommentsFeed
 
 urlpatterns = patterns('',
-    url(r'^((?P<page>\d+)/)?$', 'aggregator.views.posts'),
+    url(r'^((?P<cat>[a-z_-]+)/)?((?P<page>\d+)/)?$',
+        'aggregator.views.posts'),
     url(r'^post/((?P<pk>\d+)/)?$', DetailView.as_view(model=Post)),
     url(r'^feed/posts/$', LatestPostsFeed()),
     url(r'^feed/comments/$', LatestCommentsFeed()),
-- 
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