observer

observer.rb

class UserObserver < ActiveRecord::Observer                                          
  def after_create(user)                                                                                                                  
    UserObserver.welcome_user(user)                                                  
  end                                                                                                                                     
                                                                                                                                          
  def self.welcome_user(user)                                                                                                             
    @user = user                                                                                                                          
    UserMailer.welcome(user.id).deliver                                              
    CampaignMonitorSubscriber.new(@user).subscribe_to_news                           
  end                                                                                                                                     
end