module UseDataFieldConcern
  extend ActiveSupport::Concern
  included do
    prepend(InstanceMethods)
  end

  module InstanceMethods

    def email
      data["email"]
    end

    def display_number
      cc_type == 'paypal' ? email : super
    end

    def data
      super.is_a?(String) ? JSON.parse(super) : super
    end
  end
end