Trello OAuth 1.0 authorization with Ruby

trello_oauth.rb

#Add this routes.rb file
#  get '/oauth', to: 'trello_sessions#new'
#  get '/oauth/authorize', to: 'trello_sessions#authorize', as:'oauth_authorize'

class TrelloSessionsController < ApplicationController

  def new
    request_token = trello_consumer.get_request_token(:oauth_callback => oauth_authorize_url)
    session[:token] = request_token.token
    session[:token_secret] = request_token.secret
    redirect_to request_token.authorize_url(:scope => :read,:name => "You app name")
  end

  def authorize
    access_token = trello_consumer.get_request_token.get_access_token(oauth_verifier: params[:oauth_verifier])

    session[:trello_auth] = {
        :oauth_token => access_token.token,
        :oauth_token_secret => access_token.secret
    }

    redirect_to root_path
  end

  private

  def trello_consumer
    #Both consumer elements from https://trello.com/app-key
    OAuth::Consumer.new(
        "YOUR_CONSUMER_KEY",
        "YOUR_CONSUMER_SECRET",
        {
            :site => "https://trello.com",
            :http_method => :get,
            :debug_output => true,
            :request_token_path => "/1/OAuthGetRequestToken",
            :access_token_path => "/1/OAuthGetAccessToken",
            :authorize_path => "/1/OAuthAuthorizeToken"
        })
  end
end