gistfile1.txt

  state_machine :state, :initial => :new do
    before_transition any => :published do |project|
      project.errors.add_to_base('bid cannot be empty') if project.bid.nil?
      project.errors.add_to_base('domain must be verified') unless project.verified?
      false unless project.errors.empty?
    end

    before_transition any => :paid do |project|
      project.errors.add_to_base('domain must be verified') unless project.verified?
      false unless project.errors.empty?
    end

    event :verify do
      transition [ :new, :paused ] => :validated
    end

    event :pay do
      transition [ :validated, :paused ] => :paid
    end

    event :publish do
      transition [ :paused, :paid ] => :published
    end

    event :assign do
      transition :published => :active
    end

    event :finish do
      transition :active => :complete
    end

    event :redact do
      transition [ :new, :validated, :published ] => :paused
    end

    event :close do
      transition [ :new, :published, :complete ] => :closed
    end
  end