facebook integration work

app/controllers/sessions_controller.rb

@@ -10,8 +10,7 @@ class SessionsController < ApplicationController
   def create
     user = User.find_by_email(params[:session][:email])
     if user && user.authenticate(params[:session][:password])
-      sign_in user
-      redirect_back_or music_sessions_url
+      complete_sign_in user
     else
       flash.now[:error] = 'Invalid email/password combination'
       render 'new'
@@ -20,7 +19,28 @@ class SessionsController < ApplicationController
 
   def create_oauth
     auth_hash = request.env['omniauth.auth']
-    render :text => auth_hash.inspect
+    authorization = UserAuthorization.find_by_provider_and_uid(auth_hash["provider"], auth_hash["uid"])
+    if authorization
+      # Sign in for a user who has already registered.
+      complete_sign_in authorization.user
+    else
+      # Sign up for a completely new user.
+      # First/last name: auth_hash["info"]["first_name"] and auth_hash["info"]["last_name"]
+      # token: auth_hash["credentials"]["token"] -- "expires_at"
+      #
+      # For debugging - to see what all is there:
+      # render :text => auth_hash.to_yaml
+      user = User.new :name => auth_hash["info"]["name"], :email => auth_hash["info"]["email"]
+      user.authorizations.build :provider => auth_hash["provider"], :uid => auth_hash["uid"], 
+        :token => auth_hash["credentials"]["token"], :token_expiration => auth_hash["credentials"]["expires_at"]
+      user.save
+      complete_sign_in user
+    end
+  end
+
+  def complete_sign_in(user)
+    sign_in user
+    redirect_back_or music_sessions_url
   end
 
   def destroy

app/controllers/users_controller.rb

@@ -19,9 +19,7 @@ class UsersController < ApplicationController
   def create
     @user = User.new(params[:jam_ruby_user])
     if @user.save
-      sign_in @user
-      flash[:success] = "Welcome to Jamkazam!"
-      redirect_to @user
+      sign_in @user, :new => true
     else
       render 'new'
     end

app/helpers/sessions_helper.rb

@@ -1,6 +1,10 @@
 module SessionsHelper
 
   def sign_in(user)
+    if (:new was set to true)
+      flash[:success] = "Welcome to Jamkazam!"
+      redirect_to user
+    end
     cookies.permanent[:remember_token] = user.remember_token
     self.current_user = user
   end

app/views/users/new.html.erb

@@ -1,6 +1,12 @@
 <% provide(:title, 'Sign up') %>
 <h1>Sign up</h1>
 
+<div class="row">
+  <div class="span6 offset3">
+    <a href="/auth/facebook"><img src="http://ventnation.com/images/fb-signup-button.png?1343414918"></a>
+  </div>
+</div>
+
 <div class="row">
   <div class="span6 offset3">
     <%= form_for(@user) do |f| %>
@@ -20,4 +26,4 @@
       <%= f.submit "Create my account", class: "btn btn-large btn-primary" %>
     <% end %>
   </div>
-</div>
+</div>