Asset upload

app/models/asset.rb

@@ -8,9 +8,16 @@ class Asset
   field :filename
   field :description
   
+  has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy
+  
   validates_presence_of :filename, :data
 
   belongs_to :asset_category
   belongs_to :assetable, polymorphic: true
+  has_and_belongs_to_many :tags, :class_name => "AssetTag"
+
+  def sorted_tags
+    tags.order_by(I18n.locale, :asc)
+  end
   
 end