specify timezone and locale via ENV

and use them to initialize tz() during the common bundle

Change-Id: I0aa8215d4e83514be3ec2e5e1450df42185b8c83
Reviewed-on: https://gerrit.instructure.com/24674
Reviewed-by: Braden Anderson <banderson@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Jacob Fugal <jacob@instructure.com>
QA-Review: Jacob Fugal <jacob@instructure.com>

app/coffeescripts/bundles/common.coffee

@@ -6,6 +6,7 @@ require [
   'compiled/widget/courseList'
   'compiled/helpDialog'
   'compiled/tours'
+  'timezone'
 
   # modules that do their own thing on every page that simply need to
   # be required
@@ -49,7 +50,7 @@ require [
   'vendor/jquery.pageless'
   'vendor/jquery.scrollTo'
   'compiled/badge_counts'
-], ($, Backbone, courseList, helpDialog, tours) ->
+], ($, Backbone, courseList, helpDialog, tours, tz) ->
   courseList.init()
   helpDialog.initTriggers()
   tours.init()
@@ -74,3 +75,7 @@ require [
     event.preventDefault()
     Backbone.history.navigate $(this).attr('href'), yes
 
+  ##
+  # Set up timezone
+  tz.changeZone(ENV.TIMEZONE)
+  tz.changeLocale(ENV.LOCALE.replace('-', '_'))

app/controllers/application_controller.rb

@@ -120,6 +120,8 @@ class ApplicationController < ActionController::Base
     end
     @js_env[:IS_LARGE_ROSTER] = true if !@js_env[:IS_LARGE_ROSTER] && @context.respond_to?(:large_roster?) && @context.large_roster?
     @js_env[:context_asset_string] = @context.try(:asset_string) if !@js_env[:context_asset_string]
+    @js_env[:TIMEZONE] = Time.zone.tzinfo.identifier if !@js_env[:TIMEZONE]
+    @js_env[:LOCALE] = I18n.qualified_locale if !@js_env[:LOCALE]
     @js_env
   end
   helper_method :js_env

spec/controllers/application_controller_spec.rb

@@ -34,6 +34,13 @@ describe ApplicationController do
       controller.js_env[:files_domain].should == 'files.example.com'
     end
 
+    it "should auto-set timezone and locale" do
+      I18n.locale = :fr
+      Time.zone = 'Alaska'
+      @controller.js_env[:LOCALE].should == 'fr-FR'
+      @controller.js_env[:TIMEZONE].should == 'America/Juneau'
+    end
+
     it "should allow multiple items" do
       controller.js_env :A => 'a', :B => 'b'
       controller.js_env[:A].should == 'a'