Added pt-br Locale

app/controllers/application_controller.rb

@@ -8,12 +8,20 @@ class ApplicationController < ActionController::Base
 
 	# set up some variables across the entire application
   def set_variables
-		# hard code locale as english
-		I18n.locale = 'en'
+    @locale ||= get_locale
+    I18n.locale = ALLOWED_LOCALES.include?(@locale) ? @locale : I18n.default_locale
     # sets timezone for current user, all DateTime outputs will be automatically formatted
     Time.zone = current_user.time_zone if current_user
   end
   
+  # get the locale, but don't fail if header value doesn't exist
+  def get_locale
+    locale = get_header_value('HTTP_ACCEPT_LANGUAGE')
+    # only look for 'pt-br' as first 5 letters, can make more robust in future if other languages are needed
+    locale = locale[0..4].downcase if locale
+    return locale
+  end
+
   private
 
 		def set_channels_menu

config/application.rb

@@ -28,7 +28,7 @@ module Thingspeak
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    # config.i18n.default_locale = :de
+    config.i18n.default_locale = :en
 
     # JavaScript files you want as :defaults (application.js is always included).
     # config.action_view.javascript_expansions[:defaults] = %w(jquery rails)

config/initializers/constants.rb

@@ -1,3 +1,6 @@
 # allow updates via HTTP GET by setting this to true;
 # set to false to only allow updates via HTTP POST
 GET_SUPPORT = true
+
+# allow only these additional locales (use downcase, easier to parse)
+ALLOWED_LOCALES = ['pt-br']

config/locales/en.yml

@@ -123,6 +123,7 @@ en:
   email: "Email"
   email_form_add: "Add Email"
   featured_channels: "Featured Channels"
+  features: "Features"
   field: "Field"
   footer: "This is the footer message."
   forgot: "Forgot your password?"