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

config/routes.rb

@@ -1,4 +1,6 @@
 Rails.application.routes.draw do
+  root 'home#index'
+
   namespace :api do
     resources :sounds, only: [:show]
     resources :tracks, only: [:index]
@@ -20,6 +22,4 @@ Rails.application.routes.draw do
   end
 
   resources :playlists
-
-  root to: 'home#index'
 end

spec/controllers/home_controller_spec.rb

@@ -1,20 +0,0 @@
-describe HomeController do
-  include UserControllerHelpers
-
-  before { sign_in }
-
-  describe 'GET index' do
-    it 'assigns all playlists as @playlists' do
-      playlist = FactoryGirl.create(:playlist)
-      get :index
-      expect(assigns[:playlists]).to eq [playlist]
-    end
-
-    it 'assigns latest tracks as @tracks' do
-      FactoryGirl.create(:track, created_at: '2011-07-27 19:13:42')
-      FactoryGirl.create(:track, created_at: '2011-07-27 19:58:57')
-      get :index
-      expect(assigns[:tracks]).to eq Track.latest
-    end
-  end
-end

spec/features/home_spec.rb

@@ -1,28 +0,0 @@
-feature 'Home page' do
-  include UserIntegrationHelpers
-
-  background { sign_in }
-
-  scenario 'displays playlists' do
-    FactoryGirl.create(:playlist, name: 'Electro')
-
-    visit root_path
-
-    expect(page).to have_content 'Electro'
-  end
-
-  scenario 'displays last track added' do
-    FactoryGirl.create(:track,
-      name:       'Mega song 1',
-      created_at: '2011-07-27 19:13:42'
-    )
-    FactoryGirl.create(:track,
-      name:       'Mega song 2',
-      created_at: '2011-07-27 19:58:57'
-    )
-
-    visit root_path
-
-    expect(page.body).to match /Mega song 2.+Mega song 1/m
-  end
-end

spec/views/home/index.html.haml_spec.rb

@@ -1,21 +0,0 @@
-describe 'home/index' do
-  before do
-    assign :playlists,  [mock_model(Playlist, name: 'Electro')]
-    assign :tracks,     [mock_model(Track, name: 'Mega song')]
-  end
-
-  it 'displays a list of playlists' do
-    render
-    expect(rendered).to have_selector 'ul>li', text: 'Electro'
-  end
-
-  it 'displays a link to add a track' do
-    render
-    expect(rendered).to have_selector 'a', text: 'Add a track'
-  end
-
-  it 'displays a list of tracks' do
-    render
-    expect(rendered).to have_selector 'ul>li', text: 'Mega song'
-  end
-end