app bookmarks

application_controller.rb

def bookmark!
    uri = Addressable::URI.new
    uri.query_values = cleanse(params)
    uri.path = request.env["REQUEST_PATH"]
    session[:last_bookmark] = uri.to_s
  end

  def bookmark
    session[:last_bookmark] ||= root_path
  end

  def cleanse(_params)
    _params.except(:controller, :action, :authenticity_token, :commit, :class)
  end