Rack/Grape MongodbLogger middleware for rails

gistfile1.rb

class MongodbLogger::Rack
  def initialize(app)
    @app = app
  end

  def call(env)
    log_attrs = {:method => env['REQUEST_METHOD'],
      :action         => env['PATH_INFO'],
      :controller     => 'API',
      :path           => env['PATH_INFO'],
      :url            => env['SERVER_NAME'] + env['PATH_INFO'],
      :params         => env['rack.input'].read,
      :ip             => env['REMOTE_ADDR']  }

    Rails.logger.mongoize(log_attrs) do
      return @app.call(env)
    end
  end
end