announcement-test/app/controllers/announcements_controller.rb

class AnnouncementsController < ApplicationController

  def index
    announcements = Bulletin.can_display.order_by(:created_at=>'desc').filter_by_categories
    anns = announcements.collect do |a|
    {
      "title" => a.title,
      "subtitle" => a.subtitle,
      "link_to_show" => OrbitHelper.url_to_show(a.to_param),
      "more" => "More",
    }
    end
    {
      "data" => anns
    } 

  end

  def widget
    announcements = Bulletin.can_display.order_by(:created_at=>'desc').filter_by_categories
    anns = announcements.collect do |a|
      {
        "title" => a.title,
        "subtitle" => a.subtitle,
        "link_to_show" => OrbitHelper.url_to_show(a.to_param),
        "more" => "More",
      }
    end
    {
      "data" => anns
    } 
  end
 

  def show
    params = OrbitHelper.params
    announcement = Bulletin.can_display.find_by(:uid=>params[:uid])
    
    files = announcement.bulletin_files.map{|file|  { "file_url" =>  file.file.url, "file_title" => file.title } }
    links = announcement.bulletin_links.map{|link|  { "link_url" => link.url, "link_title" => link.title } }

    {
      "bulletin_files" => files,
      "bulletin_links" => links,
      "data" => {
        "title" => announcement.title,
        "body" =>announcement.text,
        "image" => announcement.image.url
      }
    } 
  end 
    
end