Fixed the get_absolute_url for the Categories model and fixed up the view as well

categories/models.py

@@ -1,5 +1,6 @@
 import re
 from django.core.urlresolvers import reverse
+from django.db.models import permalink
 from django.db import models
 from django.utils.encoding import force_unicode
 import mptt
@@ -16,11 +17,12 @@ class Category(models.Model):
     order = models.IntegerField(blank=True, null=True)
     slug = models.SlugField()
     
+    @permalink
     def get_absolute_url(self):
         """Return a path"""
-        prefix = self.category_tree.get_absolute_url()
-        ancestors = self.get_ancestors()
-        return prefix + '/'.join([force_unicode(i.slug) for i in ancestors])
+        prefix = reverse('categories_tree_list')
+        ancestors = list(self.get_ancestors()) + [self,]
+        return prefix + '/'.join([force_unicode(i.slug) for i in ancestors]) + '/'
         
     class Meta:
         verbose_name_plural = 'categories'

categories/urls.py

@@ -12,5 +12,5 @@ urlpatterns = patterns('django.views.generic.list_detail',
 )
 
 urlpatterns += patterns('categories.views',
-    url(r'^(?P<slug>[\w-]+)/$', 'category_detail', {'with_stories': True}, name='categories_category'),
+    url(r'^(?P<path>.+)$', 'category_detail', {'with_stories': True}, name='categories_category'),
 )

categories/views.py

@@ -2,12 +2,17 @@ from django.shortcuts import get_object_or_404, render_to_response
 from django.template import RequestContext
 from categories.models import Category
 from django.views.decorators.cache import cache_page
+from django.core.urlresolvers import reverse
 
-def category_detail(request, slug, with_stories=False, 
+def category_detail(request, path, with_stories=False, 
     template_name='categories/category_detail.html'):
+    
+    path_items = path.strip('/').split('/')
+    slug = path_items[-1]
+    level = len(path_items)
     context = {}
     category = get_object_or_404(Category,
-        slug__iexact=slug)
+        slug__iexact=slug, level=level-1)
         
     context['category'] = category
         

sample/urls.py

@@ -19,6 +19,8 @@ urlpatterns = patterns('',
 
     # Uncomment the next line to enable the admin:
     (r'^admin/', include(admin.site.urls)),
+    (r'^categories/', include('categories.urls')),
+    #(r'^cats/', include('categories.urls')),
 
     (r'^static/categories/(?P<path>.*)$', 'django.views.static.serve',
         {'document_root': ROOT_PATH + '/categories/media/categories/'}),