setup the controller, still need to make the person

app/models/user.rb

@@ -21,6 +21,8 @@ class User
   key :username, :unique => true
   key :serialized_private_key, String
 
+  key :invitation_token,    String
+  key :invitation_sent_at,  DateTime
   key :friend_ids,          Array
   key :pending_request_ids, Array
   key :visible_post_ids,    Array

config/initializers/devise.rb

@@ -44,6 +44,11 @@ Devise.setup do |config|
   # Setup a pepper to generate the encrypted password.
   config.pepper = "065eb8798b181ff0ea2c5c16aee0ff8b70e04e2ee6bd6e08b49da46924223e39127d5335e466207d42bf2a045c12be5f90e92012a4f05f7fc6d9f3c875f4c95b"
 
+  # ==> Configuration for :invitable
+  # Time interval where the invitation token is valid (default: 0).
+  # If invite_for is 0 or nil, the invitation will never expire.
+  # config.invite_for = 2.weeks
+  
   # ==> Configuration for :confirmable
   # The time you want to give your user to confirm his account. During this time
   # he will be able to access your application without confirming. Default is nil.

config/routes.rb

@@ -11,7 +11,8 @@ Diaspora::Application.routes.draw do
   resources :albums
 
   devise_for :users, :controllers => {:registrations => "registrations",
-                                      :password      => "devise/passwords"}
+                                      :password      => "devise/passwords",
+                                      :invitation    => "invitations"}
   # added public route to user
   match 'public/:username', :to => 'users#public'
   match 'users/export',     :to => 'users#export'