changed the filtering and some other stuff

app/controllers/announcements_controller.rb

@@ -1,7 +1,7 @@
 class AnnouncementsController < ApplicationController
 
   def index
-  	announcements = Bulletin.all
+  	announcements = Bulletin.filter_by_categories
      anns = announcements.collect do |a|
       {
         "title" => a.title,
@@ -34,7 +34,7 @@ class AnnouncementsController < ApplicationController
  
 
   def show
-    params = OrbitHelper.get_params
+    params = OrbitHelper.params
   	announcement = Bulletin.find_by_param(params[:uid])
     {
       "title" => announcement.title,

app/models/bulletin.rb

@@ -12,4 +12,5 @@ class Bulletin
   def self.find_by_param(input)
   	self.find_by(uid: input)
   end
+
 end