radar/get_users_info.xml

## application.html.erb
<html>
  <head>
    <%= javascript_include_tag :defaults %>
    <%= fb_connect_javascript_tag %>
  </head>
  <body>
    <%= fb_connect_javascript_tag %>
    <%= init_fb_connect "XFBML" %>
  </body>
</html>

## gistfile2.rb
def ensure_authenticated_to_facebook
  set_facebook_session || create_new_facebook_session_and_redirect!
end

## gistfile3.rb
def set_facebook_session
  # first, see if we already have a session
  session_set = session_already_secured?
  # if not, see if we can load it from the environment
  unless session_set
    session_set = create_facebook_session
    session[:facebook_session] = @facebook_session if session_set
  end
  if session_set
    capture_facebook_friends_if_available!
    Session.current = facebook_session
  end
  return session_set
end

## gistfile4.rb
def create_facebook_session
  secure_with_facebook_params! || secure_with_cookies! || secure_with_token!
end

## gistfile5.txt
<%= authlogic_facebook_login_button :length => "long" %>

## user_sessions_controller.rb
class UserSessionsController < ApplicationController
  before_filter :check_fb, :only => :create
  #...
  def create
    @user_session = UserSession.new(params[:user_session])

    if @user_session.save && !@user_session.user.suspended?
      unless @user_session.user.facebook_uid.nil?
        @user_session.user.active = true
        @user_session.user.save
      end

      flash[:notice] = t(:msg_welcome)
      if @user_session.user.login_count > 1 && @user_session.user.last_login_at?
        flash[:notice] << " " << t(:msg_last_login, @user_session.user.last_login_at.to_s(:mmddhhss))
      end
      redirect_back_or_default root_url
    else
      #...
    end
  end
  #...
  private

    def check_fb
      if params[:user_session].nil?
        ensure_authenticated_to_facebook
      end
    end
end


## user_sessions_controller_spec.rb
describe UserSessionsController do
  describe "create" do
    describe "facebook user" do
      it "creates account based on facebook details" do
        FakeWeb.allow_net_connect = false
        FakeWeb.register_uri(:post, "http://api.facebook.com/restserver.php", :body => Rails.root + "spec/fixtures/get_users_info.xml")

        setup_fb_connect_cookies

        post :create

        response.should redirect_to(root_url)
        @assigned_user = assigns[:user_session].user
        @assigned_user.new_record?.should be_false
        @assigned_user.active.should be_true
      end
    end
  end
end
	<html>
	<head>
	<%= javascript_include_tag :defaults %>
	<%= fb_connect_javascript_tag %>
	</head>
	<body>
	<%= fb_connect_javascript_tag %>
	<%= init_fb_connect "XFBML" %>
	</body>
	</html>
	def ensure_authenticated_to_facebook
	set_facebook_session \|\| create_new_facebook_session_and_redirect!
	end
	def set_facebook_session
	# first, see if we already have a session
	session_set = session_already_secured?
	# if not, see if we can load it from the environment
	unless session_set
	session_set = create_facebook_session
	session[:facebook_session] = @facebook_session if session_set
	end
	if session_set
	capture_facebook_friends_if_available!
	Session.current = facebook_session
	end
	return session_set
	end
	def create_facebook_session
	secure_with_facebook_params! \|\| secure_with_cookies! \|\| secure_with_token!
	end
	class UserSessionsController < ApplicationController
	before_filter :check_fb, :only => :create
	#...
	def create
	@user_session = UserSession.new(params[:user_session])

	if @user_session.save && !@user_session.user.suspended?
	unless @user_session.user.facebook_uid.nil?
	@user_session.user.active = true
	@user_session.user.save
	end

	flash[:notice] = t(:msg_welcome)
	if @user_session.user.login_count > 1 && @user_session.user.last_login_at?
	flash[:notice] << " " << t(:msg_last_login, @user_session.user.last_login_at.to_s(:mmddhhss))
	end
	redirect_back_or_default root_url
	else
	#...
	end
	end
	#...
	private

	def check_fb
	if params[:user_session].nil?
	ensure_authenticated_to_facebook
	end
	end
	end
	describe UserSessionsController do
	describe "create" do
	describe "facebook user" do
	it "creates account based on facebook details" do
	FakeWeb.allow_net_connect = false
	FakeWeb.register_uri(:post, "http://api.facebook.com/restserver.php", :body => Rails.root + "spec/fixtures/get_users_info.xml")

	setup_fb_connect_cookies

	post :create

	response.should redirect_to(root_url)
	@assigned_user = assigns[:user_session].user
	@assigned_user.new_record?.should be_false
	@assigned_user.active.should be_true
	end
	end
	end
	end