Added user timezone setting (defaults to Brisbane).

WARNING: finding original audio recordings may not work with user time zone other than Brisbane - test this!

app/models/user.rb

@@ -12,7 +12,7 @@ class User < ActiveRecord::Base
 
   attr_accessible :user_name, :email, :password, :password_confirmation, :remember_me,
                   :roles, :roles_mask, :preferences,
-                  :image, :login
+                  :image, :login, :time_zone_name
 
   # Virtual attribute for authenticating by either :user_name or :email
   # This is in addition to real persisted fields.

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

@@ -5,6 +5,7 @@
     = f.input :user_name, required: true, autofocus: true
     = f.input :password, required: true
     = f.input :password_confirmation, required: true
+    = f.time_zone_select :time_zone_name, /Australia/, default: 'Brisbane', required: true
     = f.input :email, required: true
   .form-actions
     = f.button :submit, 'Sign up'

config/application.rb

@@ -40,6 +40,8 @@ class Application < Rails::Application
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
     # config.time_zone = 'Central Time (US & Canada)'
     #config.time_zone - 'UTC'
+    # used as default when user is not logged in
+    # for detecting user daylight savings time, see http://stackoverflow.com/a/11888430/31567
     config.time_zone = 'Brisbane'
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.

db/migrate/20140906231545_add_time_zone_name_to_user.rb

@@ -0,0 +1,5 @@
+class AddTimeZoneNameToUser < ActiveRecord::Migration
+  def change
+    add_column :users, :time_zone_name, :string, null:false, default: 'Brisbane'
+  end
+end