lib/settings.rb in persistent_settings-1.0.1 vs lib/settings.rb in persistent_settings-1.0.2

@@ -1,6 +1,8 @@
 class Settings < ActiveRecord::Base
+  include ::PersistentSettings
+
   serialize :value
 
   def self.method_missing(method_name, *args)
     if assignation?(method_name)
       self.define_setter_and_getter(method_name)
@@ -40,9 +42,13 @@
 
   def self.load_from_persistance
     self.all.each do |setting|
       self.send("#{setting.var}=", setting.value)
     end
+  end
+
+  def self.keys
+    Settings.select(:var).collect { |s| s.var.to_sym }
   end
 
   load_from_persistance if connected? && table_exists?
 end