define Active Record Store accessors in a module

Allow store accessors to be overrided like other attribute methods,
e.g.:

    class User < ActiveRecord::Base
      store :settings, accessors: [ :color, :homepage ], coder: JSON

      def color
        super || 'red'
      end
    end

1 files changed, 9 insertions, 0 deletions

diff --git a/activerecord/test/models/admin/user.rb b/activerecord/test/models/admin/user.rb
index 024fede266..4c3b71e8f9 100644
--- a/activerecord/test/models/admin/user.rb
+++ b/activerecord/test/models/admin/user.rb
@@ -27,4 +27,13 @@ class Admin::User < ActiveRecord::Base
   def phone_number=(value)
     write_store_attribute(:settings, :phone_number, value && value.gsub(/[^\d]/,''))
   end
+
+  def color
+    super || 'red'
+  end
+
+  def color=(value)
+    value = 'blue' unless %w(black red green blue).include?(value)
+    super
+  end
 end