finishes i18n set_locale with user settings

app/controllers/home_controller.rb

@@ -16,6 +16,7 @@ class HomeController < ApplicationController
 
   def update_profile
     if @current_user.update_attributes(params[:user])
+      session[:locale] = @current_user.locale
       redirect_to my_profile_url, notice: I18n.t('home.changes_saved')
     else
       render :profile

app/controllers/login_controller.rb

@@ -58,6 +58,7 @@ class LoginController < ApplicationController
         if @user.save
           Membership.new(:user => @user, :group => @invite.group).save!
           @invite.destroy
+          session[:locale] = @user.locale
           redirect_to login_url, notice: I18n.t('login.controller.accept_invitation.notice')
         end
       end

app/models/user.rb

@@ -57,6 +57,10 @@ class User < ActiveRecord::Base
     end
   end
   
+  def locale
+    settings.profile['language']
+  end
+  
   def name
     [first_name, last_name].join(" ")
   end

lib/foodsoft/controller_extensions.rb

@@ -13,7 +13,7 @@ module Foodsoft
       end
 
       def user_settings_language
-        current_user.settings.profile['language'] if current_user
+        current_user.locale if current_user
       end
       
       def session_language