Adds before_filter to application controller to set locale based on params

Author: matyikriszta

app/controllers/application_controller.rb

@@ -8,6 +8,12 @@ class ApplicationController < ActionController::Base
   helper_method :current_user
   helper_method :current_service
 
+  before_action :set_locale
+
+  def set_locale
+    I18n.locale = params[:locale] || I18n.default_locale
+  end
+
   protected
 
   def current_user