From 84fd0e38e3c9f780040177fb7bef3e7c530d534f Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely@polonkai.eu>
Date: Tue, 1 Oct 2013 22:56:20 +0200
Subject: [PATCH] Finished tag cloud

---
 gergelypolonkai_django/settings.py            | 11 ++++++++
 gergelypolonkai_django/taghelper.py           | 26 +++++++++++++++++++
 .../templates/front_base.html                 |  6 ++---
 3 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 gergelypolonkai_django/taghelper.py

diff --git a/gergelypolonkai_django/settings.py b/gergelypolonkai_django/settings.py
index 3a088a0..3391f5b 100644
--- a/gergelypolonkai_django/settings.py
+++ b/gergelypolonkai_django/settings.py
@@ -161,3 +161,14 @@ LOGGING = {
         },
     }
 }
+
+TEMPLATE_CONTEXT_PROCESSORS = (
+    "django.contrib.auth.context_processors.auth",
+    "django.core.context_processors.debug",
+    "django.core.context_processors.i18n",
+    "django.core.context_processors.media",
+    "django.core.context_processors.static",
+    "django.core.context_processors.tz",
+    "django.contrib.messages.context_processors.messages",
+    'gergelypolonkai_django.taghelper.tagcloud',
+)
diff --git a/gergelypolonkai_django/taghelper.py b/gergelypolonkai_django/taghelper.py
new file mode 100644
index 0000000..b94a0f5
--- /dev/null
+++ b/gergelypolonkai_django/taghelper.py
@@ -0,0 +1,26 @@
+from django.db.models import Count
+from taggit.models import Tag
+from math import floor
+
+def tagcloud(request):
+    tagcloudlist = Tag.objects.annotate(ct=Count('taggit_taggeditem_items')).order_by('-ct')
+
+    if (len(tagcloudlist) > 0):
+        tmax = tagcloudlist[0].ct
+        tmin = 1
+
+    if (tmax == tmin):
+        tmax += 1
+
+    tagcloud = []
+
+    for cloudelement in tagcloudlist:
+        tagcount = cloudelement.ct
+
+        if (tagcount >= tmin):
+            size = int(floor((5.0 * (tagcount - tmin)) / (tmax - tmin)))
+            tagcloud.append({'name': cloudelement.name, 'slug': cloudelement.slug, 'size': size})
+
+    tagcloud.sort(key=lambda k: k['name'])
+
+    return {'tagcloud': tagcloud}
diff --git a/gergelypolonkai_django/templates/front_base.html b/gergelypolonkai_django/templates/front_base.html
index e389ce6..920f8c1 100644
--- a/gergelypolonkai_django/templates/front_base.html
+++ b/gergelypolonkai_django/templates/front_base.html
@@ -48,10 +48,10 @@
                 </ul>
                 <br class="clear" />
             </div>
-{% if tagCloud|length > 0 %}
+{% if tagcloud|length > 0 %}
             <div id="tag-cloud">
-{% for cloudItem in tagCloud %}
-                <a href="{% url 'blog_tag_list' cloudItem.name %}" class="size{{ cloudItem.size }}">{{ cloudItem.name }}</a>{% if not loop.last %} | {% endif %}
+{% for cloudItem in tagcloud %}
+                <a href="{% url 'blog:taglist' cloudItem.slug %}" class="size{{ cloudItem.size }}">{{ cloudItem.name }}</a>{% if not loop.last %} | {% endif %}
 {% endfor %}
             </div>
 {% endif %}