class ContentService
  def self.query(path, payload)
    MultiJson.load(RestClient::Request.execute(
      :method => :post,
      :url => "#{url}/#{path}",
      :headers => {
        :content_type => :json,
        :accept => :json,
        :user_agent => user_agent,
      },
      :payload => MultiJson.dump(payload)
    ))
  end

  private

  def self.url
    @url ||= begin
      config = RailsConnector::Configuration.content_service
      "#{config['login']}:#{config['api_key']}@#{config['url']}"
    end
  end

  def self.user_agent
    @user_agent ||= (
      gem_info = Gem.loaded_specs["infopark_cloud_connector"]
      "#{gem_info.name}-#{gem_info.version}"
    )
  end

end