LuirgLAn

1`config.omniauth :facebook, 'AppID', 'secretkey', scope: 'email'
2	
3class User < ApplicationRecord
4  devise :database_authenticatable, :registerable, :recoverable,
5    :rememberable, :trackable, :validatable, :omniauthable, omniauth_providers: [:facebook]
6
7  def self.from_omniauth(auth)
8    where(provider: auth.provider, uid: auth.uid).first_or_create do |user|
9    user.email = auth.info.email
10    user.name = auth.info.name
11    user.provider = auth.provider
12    user.uid = auth.uid
13    user.password = Devise.friendly_token[0,20]
14    end
15  end
16end
17	
18`config.omniauth :facebook, 'AppID', 'secretkey', scope: 'email', info_fields: 'first_name`