Stack Overflow Question 12016316

profile.rb

class Profile < ActiveRecord::Base
  belongs_to :user, :class_name => 'User'
  

    
  attr_accessible :name, :owner

  attr_accessor :name, :owner

  attr_reader :owner
  
 
 def owner
      self.user
  end

end

user.rb

class User < ActiveRecord::Base
  
  devise :database_authenticatable, :registerable, :omniauthable,
         :recoverable, :rememberable, :trackable, :validatable

  attr_accessible :email, :password,  :remember_me, :username
  
  validates_presence_of :username
  

  has_one :profile
  accepts_nested_attributes_for :profile 

  
  before_create :build_user_profile
            
            def build_user_profile
              self.profile ||= build_profile
              self.profile.save
              true
                  
            end

  def self.from_omniauth(auth)
    where(auth.slice(:provider, :uid)).first_or_create do |user|
      user.provider = auth.provider
      user.uid = auth.uid
      user.username = auth.info.nickname
      user.username ||= auth.info.email.split("@")[0]
      user.email = auth.info.email
      user.profile ||= user.build_profile
      user.profile.save
      user.profile["name"] = auth.info.name
      user.profile["phone"] = auth.info.phone
      user.profile["image_remote_url"] = auth.info.image if auth.info.image
      user.profile.save
    end
  end

  def self.new_with_session(params, session)
    if session["devise.user_attributes"]
      new(session["devise.user_attributes"], without_protection: true) do |user|
        user.attributes = params
        user.valid?
      end
    else
      super
    end
  end

  def password_required?
    super && provider.blank?
  end

  def update_with_password(params, *options)
    if encrypted_password.blank?
      update_attributes(params, *options)
    else
      super
    end
  end
   
 
end