авторизация через соцсети

user.rb

def self.find_for_google_oauth2(access_token, signed_in_resourse=nil)
    data = access_token.info
    user = User.where(:provider => access_token.provider, :uid => access_token.uid).first

    if user
      return user
    else
      registered_user = User.where(:email => access_token.email).first
      if registered_user
        return registered_user
      else
        user = User.create(
          name: data["name"],
          city: data["city"],
          iin: data["iin"],
          provider: access_token.provider,
          email: data["email"],
          uid: access_token.uid,
          image: data["image"],
          password: Devise.friendly_token[0,20]
        )
      end
    end
  end

  def self.find_for_facebook_oauth(access_token, signed_in_resourse=nil)
    data = access_token.info
    user = User.where(:provider => access_token.provider, :uid => access_token.uid).first

    if user
      return user
    else
      registered_user = User.where(:email => data.email).first
      if registered_user
        return registered_user
      else
        user = User.create(
          name: access_token.extra.raw_info.name,
          city: access_token.extra.raw_info.city,
          iin: access_token.extra.raw_info.iin,
          provider: access_token.provider,
          email: data.email,
          uid: access_token.uid,
          image: data.image,
          password: Devise.friendly_token[0,20]
        )
      end
    end
  end
end