User accounts have a Time Zone

Users' Time Zone is set as the default when creating events.

Gemfile.lock

@@ -34,7 +34,7 @@ GEM
     arel (3.0.2)
     awesome_print (1.1.0)
     bcrypt-ruby (3.0.1)
-    bootstrap-sass-rails (2.3.0.0)
+    bootstrap-sass-rails (2.3.1.0)
       railties (>= 3.1.0)
       sass-rails (>= 3.1.0)
     bourne (1.1.2)
@@ -125,7 +125,7 @@ GEM
     modernizr_rails (2.5.3)
       railties (~> 3.0)
       thor (~> 0.14)
-    multi_json (1.6.1)
+    multi_json (1.7.0)
     multipart-post (1.2.0)
     nested_form (0.3.1)
     nokogiri (1.5.6)
@@ -203,7 +203,7 @@ GEM
     rubyzip (0.9.9)
     sanitize (2.0.3)
       nokogiri (>= 1.4.4, < 1.6)
-    sass (3.2.6)
+    sass (3.2.7)
     sass-rails (3.2.6)
       railties (~> 3.2.0)
       sass (>= 3.1.10)
@@ -236,7 +236,7 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.17.0)
-    tilt (1.3.4)
+    tilt (1.3.5)
     treetop (1.4.12)
       polyglot
       polyglot (>= 0.3.1)

app/controllers/events_controller.rb

@@ -14,7 +14,7 @@ def show
   end
 
   def new
-    @event = Event.new(:public_email => current_user.email) 
+    @event = Event.new(public_email: current_user.email, time_zone: current_user.time_zone)
     @event.event_sessions << EventSession.new
   end
 

app/models/user.rb

@@ -1,7 +1,4 @@
 class User < ActiveRecord::Base
-  # Include default devise modules. Others available are:
-  # :token_authenticatable, :encryptable, :confirmable, :lockable, :timeoutable and :omniauthable
-
   after_create :make_empty_profile
 
   devise :database_authenticatable, :registerable,
@@ -13,9 +10,10 @@ class User < ActiveRecord::Base
 
   has_one :profile
 
-  attr_accessible :first_name, :last_name, :email, :password, :password_confirmation, :remember_me
+  attr_accessible :first_name, :last_name, :email, :password, :password_confirmation, :remember_me, :time_zone
 
   validates_presence_of :first_name, :last_name
+  validates_inclusion_of :time_zone, in: ActiveSupport::TimeZone.all.map(&:name), allow_blank: true
 
   def self.not_assigned_as_organizer(event)
     users = order('last_name asc, first_name asc, email asc')

app/views/devise/registrations/edit.html.erb

@@ -31,8 +31,9 @@
   </div>
 
   <div>
-    <%= f.label :password %> <i>(leave blank if you don't want to change it)</i>
+    <%= f.label :password %>
     <%= f.password_field :password %>
+    <span class="help-block">(leave blank if you don't want to change it)</span>
   </div>
 
   <div>
@@ -41,8 +42,14 @@
   </div>
 
   <div>
-    <%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i>
+    <%= f.label :current_password %>
     <%= f.password_field :current_password %>
+    <span class="help-block">(we need your current password to confirm your changes)</span>
+  </div>
+
+  <div>
+    <%= f.label :time_zone %>
+    <%= f.time_zone_select :time_zone, ActiveSupport::TimeZone.us_zones, include_blank: 'Select Time Zone' %>
   </div>
 
   <div><%= f.submit "Update" %></div>

app/views/devise/registrations/new.html.erb

@@ -28,6 +28,11 @@
     <%= f.password_field :password_confirmation %>
   </div>
 
+  <div>
+    <%= f.label :time_zone %>
+    <%= f.time_zone_select :time_zone, ActiveSupport::TimeZone.us_zones, include_blank: 'Select Time Zone' %>
+  </div>
+
   <div><%= f.submit "Sign up" %></div>
 <% end %>
 

db/migrate/20130317031753_add_time_zone_to_users.rb

@@ -0,0 +1,15 @@
+class AddTimeZoneToUsers < ActiveRecord::Migration
+  class User < ActiveRecord::Base; end
+
+  def up
+    add_column :users, :time_zone, :string
+    User.find_each do |user|
+      user.time_zone = "Pacific Time (US & Canada)"
+      user.save!
+    end
+  end
+
+  def down
+    remove_column :users, :time_zone
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130310073101) do
+ActiveRecord::Schema.define(:version => 20130317031753) do
 
   create_table "event_sessions", :force => true do |t|
     t.datetime "starts_at"
@@ -117,6 +117,7 @@
     t.string   "first_name"
     t.string   "last_name"
     t.integer  "meetup_id"
+    t.string   "time_zone"
   end
 
   add_index "users", ["confirmation_token"], :name => "index_users_on_confirmation_token", :unique => true

spec/controllers/events_controller_spec.rb

@@ -51,7 +51,7 @@ def make_request
 
     context "when a user is logged in" do
       before do
-        @user = create(:user)
+        @user = create(:user, time_zone: 'Alaska')
         sign_in @user
       end
 
@@ -64,6 +64,11 @@ def make_request
         get :new
         assigns(:event).should be_new_record
       end
+
+      it "uses the logged in user's time zone as the event's time zone" do
+        get :new
+        assigns(:event).time_zone.should == 'Alaska'
+      end
     end
   end
 

spec/models/user_spec.rb

@@ -19,6 +19,14 @@
   it { should validate_presence_of(:last_name) }
   it { should validate_presence_of(:email) } # devise adds this
 
+  it "must have a valid time zone" do
+    user = build(:user, :time_zone => "xxx")
+    user.should have(1).error_on(:time_zone)
+
+    user = build(:user, :time_zone => 'Hawaii')
+    user.should have(0).errors_on(:time_zone)
+  end
+
   it "creates a profile when the user is created" do
     @user.profile.should_not be_nil
   end