Adding Finder Method to utilize count

app/models/refinery/blog/category.rb

@@ -14,7 +14,7 @@ module Refinery
       attr_accessible :title
 
       def post_count
-        posts.select(&:live?).count
+        posts.live.count
       end
 
       # how many items to show per page

app/models/refinery/blog/post.rb

@@ -48,6 +48,10 @@ module Refinery
         !draft and published_at <= Time.now
       end
 
+      def live
+        where(["published_at <= ? and draft = ?", Time.now, false])
+      end
+
       def friendly_id_source
         custom_url.present? ? custom_url : title
       end