i18n WIP

app/controllers/application_controller.rb

@@ -2,4 +2,10 @@ class ApplicationController < ActionController::Base
   # Prevent CSRF attacks by raising an exception.
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
+
+  before_action :set_locale
+   
+  def set_locale
+	  I18n.locale = params[:locale] || I18n.default_locale
+  end
 end

app/views/static_pages/home.html.erb

@@ -1,6 +1,6 @@
 <div class="center jumbotron">
-	<h1>Library</h1>
-	<h2>Browse <%= @books_count %> books</h2>
+	<h1><%= t :library %></h1>
+	<h2><%= t :welcome_count, count: @books_count %></h2>
 
 	<p>
 	<%= link_to "Books", books_path, class: "btn btn-lg btn-primary", remote: true %>

config/locales/en.yml

@@ -21,3 +21,5 @@
 
 en:
   hello: "Hello world"
+  library: "Library"
+  welcome_count: "Browse %{count} books"

config/locales/fr.yml

@@ -0,0 +1,4 @@
+fr:
+    hello: "Bonjour"
+    library: "Bibliothèque"
+    welcome_count: "Parcourir les %{count} livres"