jam-cloud/lib/jam_ruby/models/music_session_perf_data.rb

require 'securerandom'

module JamRuby
  class MusicSessionPerfData < ActiveRecord::Base

    self.primary_key = 'id'

    attr_accessible :client_id, :uri

    belongs_to :music_session, :class_name => "JamRuby::MusicSessionHistory"

    #mount_uploader :uri, PerfDataUploader

    validate :music_session, :presence => true
    validate :client_id, :presence => true
    validate :uri, :presence => true

    before_validation(:on => :create) do
      self.created_at ||= Time.now
      self.id = SecureRandom.uuid
      self.uri = "perf_data/#{self.id}/#{self.client_id}-#{self.created_at}"
    end
  end
end