result.rb

require 'service_client'

class Result < OpenStruct
  attr_reader :response, :parsed_body

  def initialize(response)
    @response = response

    @parsed_body = JSON.parse(response.body)
    super(parsed_body) if parsed_body.is_a?(Hash)
  rescue JSON::ParserError => e
    raise ServiceClient::ServiceServerError, 'Invalid JSON format from Service.'
  end

  def ok?
    (parsed_body.blank? || error.blank?) && status != 400
  end

  def status
    response.code
  end

  def error
    (parsed_body.fetch('error', nil) || parsed_body.fetch('errors', []).first) if parsed_body.is_a?(Hash)
  end
end