major refactor of auth, break up the gigantic omniauth controller into sub classes for way better extensibitily

lib/auth/facebook_authenticator.rb

@@ -0,0 +1,56 @@
+class Auth::FacebookAuthenticator < Auth::Authenticator
+
+  def name
+    "facebook"
+  end
+
+  def after_authenticate(auth_token)
+
+    result = Auth::Result.new
+
+    session_info = parse_auth_token(auth_token)
+    facebook_hash = session_info[:facebook]
+
+    result.email = email = session_info[:email]
+    result.name = name = facebook_hash[:name]
+
+    result.extra_info = facebook_hash
+
+    user_info = FacebookUserInfo.where(facebook_user_id: facebook_hash[:facebook_user_id]).first
+
+    if result.user = lookup_user(user_info, email) && !user_info
+      user.create_facebook_user_info! facebook_hash
+    end
+
+    result
+  end
+
+  def after_create_account(user, auth)
+    data = auth[:extra_data]
+    FacebookUserInfo.create({user_id: user.id}.merge(data))
+  end
+
+  protected
+
+  def parse_auth_token(auth_token)
+
+    raw_info = auth_token["extra"]["raw_info"]
+    email = auth_token["info"][:email]
+
+    {
+      facebook: {
+        facebook_user_id: auth_token["uid"],
+        link: raw_info["link"],
+        username: raw_info["username"],
+        first_name: raw_info["first_name"],
+        last_name: raw_info["last_name"],
+        email: email,
+        gender: raw_info["gender"],
+        name: raw_info["name"]
+      },
+      email: email,
+      email_valid: true
+    }
+
+  end
+end