Class: Rets::Client::ErrorChecker

Inherits:

Object

• Object
• Rets::Client::ErrorChecker

Defined in:

lib/rets/client.rb

Class Method Summary

• .check(response) ⇒ Object

Class Method Details

.check(response) ⇒ Object

# File 'lib/rets/client.rb', line 348

def self.check(response)
  # some RETS servers returns HTTP code 412 when session cookie expired, yet the response body
  # passes XML check. We need to special case for this situation.
  # This method is also called from multipart.rb where there are headers and body but no status_code
  if response.respond_to?(:status_code) && response.status_code == 412
    raise HttpError, "HTTP status: #{response.status_code}, body: #{response.body}"
  end

  # some RETS servers return success code in XML body but failure code 4xx in http status
  # If xml body is present we ignore http status

  if !response.body.empty?
    begin
      xml = Nokogiri::XML.parse(response.body, nil, nil, Nokogiri::XML::ParseOptions::STRICT)

      rets_element = xml.xpath("/RETS")
      if rets_element.empty?
        return
      end
      reply_text = (rets_element.attr("ReplyText") || rets_element.attr("replyText")).value
      reply_code = (rets_element.attr("ReplyCode") || rets_element.attr("replyCode")).value.to_i

      if reply_code.nonzero?
        raise InvalidRequest.new(reply_code, reply_text)
      else
        return
      end
    rescue Nokogiri::XML::SyntaxError
      #Not xml
    end
  end

  if response.respond_to?(:ok?) && ! response.ok?
    if response.status_code == 401
      raise AuthorizationFailure.new(response.status_code, response.body)
    else
      raise HttpError, "HTTP status: #{response.status_code}, body: #{response.body}"
    end
  end
end