app/controllers/omniauth_callbacks_controller.rb

   1 class OmniauthCallbacksController < ApplicationController
   2
   3   def all
   4     user = User.from_omniauth(request.env["omniauth.auth"])
   5     if user.persisted?
   6       flash.notice = "login successful!!"
   7       sign_in_and_redirect user
   8     else
   9       session["devise.user_attributes"] = user.attributes
  10       redirect_to new_user_registration_url
  11     end
  12   end
  13
  14   def twitter
  15     self.all
  16   end
  17
  18   def failure
  19     return render :json => {:success => false, :errors => ["Login failed."]}
  20   end
  21
  22 end