added index page

app/controllers/admin/announcements_controller.rb

@@ -8,6 +8,10 @@ class Admin::AnnouncementsController < ApplicationController
   	@announcement.save
   end
 
+  def index
+    @announcements = Bulletin.all
+  end
+
   private
 
     # Never trust parameters from the scary internet, only allow the white list through.

app/views/admin/announcements/index.html.erb

@@ -0,0 +1,3 @@
+<% @announcements.each do |a|%>
+	<%= a.title %>
+<% end %>

config/routes.rb

@@ -1,7 +1,8 @@
 Rails.application.routes.draw do
 
-  scope "(:locale)", locale: /en|zh_tw/ do
+  locales = Site.find_by(site_active: true).in_use_locales
   
+  scope "(:locale)", locale: Regexp.new(locales.join("|")) do
    namespace :admin do
       resources :announcements
    end

lib/announcement/engine.rb

@@ -8,6 +8,7 @@ module Announcement
 
   			side_bar do
   				head_label_i18n 'announcement.announcement', icon_class: "icons-megaphone"
+          active_for_controllers ({:private=>['announcements']})
   				head_link_path "admin_announcements_path"
   			end
   		end