Cancelable Rails concern

cancelable.rb

module Cancelable
  extend ActiveSupport::Concern

  included do

    scope :with_cancelled, -> { where.not(cancelled_at: nil) }
    scope :not_cancelled, -> { where(cancelled_at: nil) }

    def cancel
      # Use update_attributes and not touch to trigger after_save
      self.update_attributes(cancelled_at: DateTime.now.in_time_zone)
    end

    def cancel!
      # Use update_attributes and not touch to trigger after_save
      self.update_attributes!(cancelled_at: DateTime.now.in_time_zone)
    end

    def cancelled?
      self.cancelled_at?
    end

  end

end