jam-cloud/ruby/lib/jam_ruby/models/jam_track_right.rb

module JamRuby

  # describes what users have rights to which tracks
  class JamTrackRight < ActiveRecord::Base
  	attr_accessible :user, :jam_track, :user_id, :jam_track_id
    belongs_to :user, class_name: "JamRuby::User"  # the owner, or purchaser of the jam_track
    belongs_to :jam_track, class_name: "JamRuby::JamTrack"

    validates :user, presence:true
    validates :jam_track, presence:true

    validates_uniqueness_of     :user_id, scope: :jam_track_id
  end
end