Remove last playlists and tracks from home

app/controllers/application_controller.rb

@@ -3,6 +3,8 @@ class ApplicationController < ActionController::Base
 
   before_filter :authenticate!
 
+  helper_method :current_user?
+
   def current_user= user
     session[:user_id] = user.id
   end
@@ -11,6 +13,10 @@ class ApplicationController < ActionController::Base
     @current_user ||= User.find_by(id: session[:user_id]) if session[:user_id]
   end
 
+  def current_user?
+    !!@current_user
+  end
+
 
   protected
 

app/controllers/home_controller.rb

@@ -1,6 +1,4 @@
 class HomeController < ApplicationController
   def index
-    @playlists  = Playlist.all
-    @tracks     = Track.latest
   end
 end

app/views/home/index.html.haml

@@ -1,9 +1 @@
 = link_to 'Add a track', new_track_path
-
-%ul
-  - @playlists.each do |p|
-    %li= p.name
-
-%ul
-  - @tracks.each do |t|
-    %li= t.name

app/views/layouts/application.html.haml

@@ -7,13 +7,12 @@
 
   %body
     %header
-      %nav
-        %ul
-          %li
-            = link_to 'Scube', root_path
-          %li
-            = link_to 'Playlists', playlists_path
-          %li
-            = link_to 'Sign out', signout_path
+      - if current_user?
+        %nav
+          %ul
+            %li
+              = link_to 'Playlists', playlists_path
+            %li
+              = link_to 'Sign out', signout_path
 
     = yield