Add footer to site_info

app/models/site.rb

@@ -16,6 +16,7 @@ class Site
   field :department
 
   has_one :title, :class_name => "I18nVariable", :as => :language_value, :autosave => true, :dependent => :destroy
+  has_one :footer, :class_name => "I18nVariable", :as => :language_value, :autosave => true, :dependent => :destroy
   has_many :site_metas, :autosave => true, :dependent => :destroy
   
   before_save :set_key
@@ -40,6 +41,10 @@ class Site
     @title ||= I18nVariable.first(:conditions => {:key => 'title', :language_value_id => self.id, :language_value_type => self.class}) rescue nil
   end
 
+  def footer
+    @footer ||= I18nVariable.first(:conditions => {:key => 'footer', :language_value_id => self.id, :language_value_type => self.class}) rescue nil
+  end
+
   METAS.each do |meta|
     define_method meta do
       fetch_meta = self.site_metas.where(key: meta).limit(1)
@@ -58,7 +63,8 @@ class Site
   protected
   
   def set_key
-    title.key = 'title' if title
+    title.key = 'title' if title && (title.key.blank? rescue true)
+    footer.key = 'footer' if footer && (footer.key.blank? rescue true)
   end
   
 end