sagmor/tbk

module TBK
  module Webpay
    module Logger
      # This is an abstract class that defines the required interface of a Webpay logger
      class BaseLogger

        # Allow logger customization with a block
        def initialize(&block)
          block.call(self) if block
          validate!
        end

        # Abstract method to log a payment
        def payment(payment)
          raise NotImplementedError, "TBK::Webpay::Logger::BaseLogger subclass must implement #payment method"
        end

        # Abstract method to log a payment confirmation
        def confirmation(confirmation, accept)
          raise NotImplementedError, "TBK::Webpay::Logger::BaseLogger subclass must implement #confirmation method"
        end

        private
          # Method to validate that the logger is propperly setted up
          def validate!
            if self.class == TBK::Webpay::Logger::BaseLogger
              raise ArgumentError, "You can't use TBK::Webpay::Logger::BaseLogger directly"
            end
          end

      end
    end
  end
end