AuthorizeNet / sdk-ruby

  # The core, xml response class. You shouldn't instantiate this one.

  # Instead you should use AuthorizeNet::ARB::Response.

  class XmlResponse < AuthorizeNet::Response

    # DO NOT USE. Instantiate AuthorizeNet::ARB::Response or AuthorizeNet::CIM::Response instead.

    def initialize(raw_response, transaction)

      @raw_response = raw_response

      @transaction = transaction

      unless connection_failure?

        begin

          xml = Nokogiri::XML(@raw_response.body) do |config|

            # confirm noent is the right flag

            config.recover.noent.nonet

          end

          @root = xml.children[0]

          @result_code = node_content_unless_nil(@root.at_css('messages resultCode'))

          @message_code = node_content_unless_nil(@root.at_css('messages message code'))

          @message_text = node_content_unless_nil(@root.at_css('messages message text'))

          @reference_id = node_content_unless_nil(@root.at_css('refId'))

        rescue StandardError

          @raw_response = $ERROR_INFO

        end

      end

    end

    # Check to see if the response indicated success. Success is defined as a 200 OK response with a resultCode

    # of 'Ok'.

    def success?

      !connection_failure? && @result_code == 'Ok'

    end

    # Returns true if we failed to open a connection to the gateway or got back a non-200 OK HTTP response.

    def connection_failure?

      !@raw_response.is_a?(Net::HTTPOK)

    end

    # Returns the underlying Net::HTTPResponse object. This has the original response body along with

    # headers and such. Note that if an exception is generated while making the request (which happens

    # if there is no internet connection for example), you will get the exception object here instead of

    # a Net::HTTPResponse object.

    def raw

      @raw_response

    end

    # Returns a deep-copy of the XML object received from the payment gateway. Or nil if there was no XML payload.

    def xml

      @root.dup unless @root.nil?

    end

    # Returns the resultCode from the XML response. resultCode will be either 'Ok' or 'Error'.

    attr_reader :result_code

    # Returns the messageText from the XML response. This is a text description of the message_code.

    attr_reader :message_text

    # Alias for result_code.

    def response_code

      result_code

    end

    # Alias for message_code.

    def response_reason_code

      message_code

    end

    # Alias for message_text.

    def response_reason_text

      message_text

    end

    # Returns the refId from the response if there is one. Otherwise returns nil.

    attr_reader :reference_id

    #:enddoc:

    protected

    def node_content_unless_nil(node)

      if node.nil?

        nil

      else

        node.content

      end

    end

    def node_child_content_unless_nil(node)

      if node.nil?

        nil

      else

        node.children.collect(&:content) unless node.children.empty?

      end

    end

    # Transforms a block of XML into a model Object defined by entity_desc.

    def build_entity(xml, entity_desc)

      args = {}

      entity_desc.node_structure.each do |node_desc|

        node_name = (node_desc.keys.reject { |k| k.to_s[0..0] == '_' }).first

        args.merge!(handle_node_type(xml, node_desc, node_name, args, ''))

      end

      return nil if args.empty?

      if entity_desc.arg_mapping.nil?

        return entity_desc.entity_class.new(args)

      else

        args_list = []

        entity_desc.arg_mapping.each do |arg|

          args_list <<= args[arg]

          args.delete(arg)

        end

        args_list <<= args

        return entity_desc.entity_class.new(*args_list)

      end

    end

    # Parses an XML fragment into an internal representation.

    def handle_node_type(xml, node_desc, node_name, args, base_name)

      case node_desc[node_name]

      when Symbol

        node = xml.at_css(base_name + node_name.to_s)

        unless node.nil?

          content = node.content

          case node_desc[:_converter]

          when Method, Proc

            content = node_desc[:_converter].call(content)

          when Symbol

            content = send(node_desc[:_converter], content)

          end

          args[node_desc[node_name]] = content unless content.nil?

        end

      when AuthorizeNet::EntityDescription

        if node_desc[:_multivalue].nil?

          entity = build_entity(xml.css(base_name + node_name.to_s), node_desc[node_name])

          args[node_desc[:_value]] = entity unless entity.nil?

        else

            entity = build_entity(node, node_desc[node_name])

            args[node_desc[:_multivalue]] = args[node_desc[:_multivalue]].to_a + entity.to_a unless entity.nil?

          end

        end

      when Array

        node_desc[node_name].each do |inner_node|

          inner_node_name = (inner_node.keys.reject { |k| k.to_s[0..0] == '_' }).first

          args.merge!(handle_node_type(xml, inner_node, inner_node_name, args, node_name.to_s + ' '))

        end

      end

      args

    end

  end

end