Added a named scope to make history lookups easier, Rate.history_for_user(user). #1915

app/models/rate.rb

@@ -5,4 +5,12 @@ class Rate < ActiveRecord::Base
   
   validates_presence_of :user_id
   validates_presence_of :date_in_effect
+  
+  named_scope :history_for_user, lambda { |user|
+    {
+      :conditions => { :user_id => user.id },
+      :order => 'date_in_effect DESC'
+    }
+  }
+
 end