orbit-basic/app/models/asset.rb

class Asset

  include Mongoid::Document
  include Mongoid::Timestamps

  mount_uploader :data, AssetUploader

  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