FEATURE: digest emails will try to choose topics from your tracked and watched categories first

lib/topic_query_sql.rb

@@ -51,5 +51,9 @@ module TopicQuerySQL
        topics.bumped_at DESC"
     end
 
+    def order_top_with_notification_levels(score)
+      "COALESCE(category_users.notification_level, 1) DESC, COALESCE(top_topics.#{score}, 0) DESC, topics.bumped_at DESC"
+    end
+
   end
 end