Adds time_zone and token to Site.

Whenever a site is stored, a document is created
in the "sites" collection in MongoDB containing
the time zone.

app/models/site.rb

@@ -1,5 +1,17 @@
 class Site < ActiveRecord::Base
 
-  validates_presence_of :name
+  validates_presence_of :name, :time_zone
+
+  before_create :create_mongo_site
+
+  def time_zone_id
+    ActiveSupport::TimeZone::MAPPING[time_zone]
+  end
+
+  private
+
+  def create_mongo_site
+    self.token = Mongo.db["sites"].insert({ :tz => time_zone_id }).to_s
+  end
 
 end

app/views/sites/_form.html.haml

@@ -1,3 +1,4 @@
 = simple_form_for @site do |f|
   = f.input :name, :label => "Site name"
+  = f.input :time_zone
   = f.button :submit, "Save"

db/migrate/20110228121355_add_token_to_sites.rb

@@ -0,0 +1,9 @@
+class AddTokenToSites < ActiveRecord::Migration
+  def self.up
+    add_column :sites, :token, :string
+  end
+
+  def self.down
+    remove_column :sites, :token
+  end
+end

db/migrate/20110303181824_add_time_zone_to_sites.rb

@@ -0,0 +1,9 @@
+class AddTimeZoneToSites < ActiveRecord::Migration
+  def self.up
+    add_column :sites, :time_zone, :string
+  end
+
+  def self.down
+    remove_column :sites, :time_zone
+  end
+end

db/schema.rb

@@ -10,12 +10,14 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20110219100357) do
+ActiveRecord::Schema.define(:version => 20110303181824) do
 
   create_table "sites", :force => true do |t|
     t.string   "name"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "token"
+    t.string   "time_zone"
   end
 
   create_table "users", :force => true do |t|

spec/acceptance/sites_spec.rb

@@ -32,6 +32,7 @@
     page.should have_active_navigation("Sites")
 
     fill_in "Site name", :with => "Snowfinch info"
+    select "Helsinki", :from => "Time zone"
     click_button "Save"
 
     page.should have_notice('"Snowfinch info" has been created.')

spec/factories.rb

@@ -11,6 +11,7 @@
 
   factory :site do
     name "Snowfinch"
+    time_zone "Helsinki"
   end
 
 end

spec/models/site_spec.rb

@@ -4,4 +4,11 @@
 
   it { should validate_presence_of(:name) }
 
+  describe "#time_zone_id" do
+    it "returns the TZInfo indentifier" do
+      site = Site.new(:time_zone => "Helsinki")
+      site.time_zone_id.should == "Europe/Helsinki"
+    end
+  end
+
 end