Remember my last session

Using new Cookie (tm) Technology, Tomatoist now remembers your last
session and sends you back to it when you return!!

Gemfile

@@ -24,3 +24,4 @@ group :test do
 end
 
 gem 'padrino', '~> 0.10.5'
+gem 'padrino-cookies', '~> 0.1.0'

Gemfile.lock

@@ -82,6 +82,8 @@ GEM
       padrino-helpers (= 0.10.5)
     padrino-cache (0.10.5)
       padrino-core (= 0.10.5)
+    padrino-cookies (0.1.0)
+      padrino-core
     padrino-core (0.10.5)
       activesupport (~> 3.1.0)
       http_router (~> 0.10.2)
@@ -172,6 +174,7 @@ DEPENDENCIES
   mocha (~> 0.10.4)
   mongoid (~> 2.4.4)
   padrino (~> 0.10.5)
+  padrino-cookies (~> 0.1.0)
   rack_hoptoad
   rake
   rspec (~> 2.8.0)

app/app.rb

@@ -2,6 +2,7 @@ class Tomatoist < Padrino::Application
   register HoptoadInitializer
   register Padrino::Mailer
   register Padrino::Helpers
+  register Padrino::Cookies
 
   ##
   # Application configuration options

app/controllers/main.rb

@@ -1,13 +1,19 @@
 Tomatoist.controller do
   get '/' do
-    redirect session_path(Session.create)
+    if cookies.has_key?(:current_session)
+      redirect "/#{cookies[:current_session]}"
+    else
+      redirect session_path(Session.create)
+    end
   end
 
   get '/faq' do
     render(:haml, :faq, layout: :application)
   end
 
   get '/:session/?' do
+    return if params[:session] == 'null'
+    cookies.permanent[:current_session] = params[:session]
     @session = Session.retrieve(params[:session])
     render(:haml, :timers, layout: :application)
   end