app/models/featured_track.rb
class FeaturedTrack < ActiveRecord::Base
belongs_to :feature
belongs_to :asset
acts_as_list scope: :feature_id, order: :position
end
# == Schema Information
#
# Table name: featured_tracks
#
# id :integer not null, primary key
# position :integer default(1)
# created_at :datetime
# updated_at :datetime
# asset_id :integer
# feature_id :integer
#