OAuth Twitter

gistfile1.txt

class Twitter::UsersController < ApplicationController

  def authorize
    request_token = twitter_consumer.get_request_token(:oauth_callback => oauth_callback)
    save_twitter_request_token(request_token)
    redirect_to request_token.authorize_url(:oauth_callback => oauth_callback)
  end

  def callback
    request_token = load_twitter_request_token
    access_token = request_token.get_access_token(oauth_verifier: params[:oauth_verifier])

    user = User.find(params[:user_id])

    if user.update(twitter_access_token: access_token.token, twitter_access_token_secret: access_token.secret)
      flash[:notice] = 'Twitter account linked'
    else
      flash[:error] = 'Twitter accout couldnt be linked'
    end

    redirect_to user
  end

  def test
    user = User.find(params[:user_id])
    user.twitter.update("Test")

    redirect_to user, notice: 'Tweet posted'
  end

  def unlink
    user = User.find(params[:user_id])

    if user.update(twitter_access_token: nil, twitter_access_token_secret: nil)
      flash[:notice] = 'Twitter account unlinked'
    else
      flash[:error] = 'Twitter accout couldnt be unlinked'
    end

    redirect_to user
  end

  private

  def oauth_callback
    user_twitter_callback_url(params[:user_id])
  end

  def twitter_consumer
    OAuth::Consumer.new(ENV['TWITTER_KEY'], ENV['TWITTER_SECRET'], { :site => "https://api.twitter.com", :scheme => :header })
  end

  def save_twitter_request_token(request_token)
    session[:token] = request_token.token
    session[:token_secret] = request_token.secret
  end

  def load_twitter_request_token
    hash = { oauth_token: session[:token], oauth_token_secret: session[:token_secret]}
    OAuth::RequestToken.from_hash(twitter_consumer, hash)
  end

end