Make comment moderation toggleable

app/models/blog_comment.rb

@@ -6,4 +6,21 @@ class BlogComment < ActiveRecord::Base
 
   named_scope :approved, :conditions => {:approved => true}
   named_scope :rejected, :conditions => {:approved => false}
+
+  module Moderation
+    class << self
+      def enabled?
+        RefinerySetting.find_or_set(:comment_moderation, {
+          :value => true,
+          :scoping => :blog
+        })
+      end
+
+      def toggle
+        currently = self.enabled?
+        RefinerySetting[:comment_moderation] = !currently
+      end
+    end
+  end
+
 end