added tags report

app/controllers/application_controller.rb

@@ -1,7 +1,7 @@
 class ApplicationController < ActionController::Base
   protect_from_forgery
 
-  helper_method :current_user, :logged_in?
+  helper_method :current_user, :logged_in?, :current_user_is_admin?
 
   private
 
@@ -12,4 +12,9 @@ def current_user
   def logged_in?
     @current_user
   end
+
+  def current_user_is_admin?
+    return false if current_user.nil? || !current_user.admin?
+    true
+  end
 end

app/controllers/tags_controller.rb

@@ -1,4 +1,9 @@
 class TagsController < ApplicationController
+  before_filter :ensure_admin, only: [:index]
+
+  def index
+    @tags = Tag.all
+  end
 
   def show
     @tag = Tag.find(params[:id])
@@ -10,4 +15,12 @@ def show
     end
   end
 
+private
+
+  def ensure_admin
+    if current_user.nil? || !current_user.admin?
+      redirect_to root_url
+    end
+  end
+
 end

app/views/layouts/application.html.slim

@@ -92,6 +92,11 @@ html
                         ul.dropdown-menu
 
                           li= link_to(current_user.twitter_handle, '#') 
+                          - if current_user_is_admin?
+                            li.divider
+                            li= link_to "Tags Report", tags_path  
+
+
                           li.divider
                           li= link_to "Sign out", "/sessions/destroy", method: 'delete'  
                     - else 

app/views/tags/index.html.slim

@@ -0,0 +1,12 @@
+h1 Tags Overview
+
+table.table.table-striped
+  thead
+    tr
+      td Name
+      td Number of Tweets
+  tbody
+    - @tags.each do |tag|
+      tr
+        td= tag.name
+        td= tag.stories.count

config/routes.rb

@@ -13,7 +13,7 @@
 
   get 'sessions/create'
 
-  resources :tags, only: :show
+  resources :tags, only: [:show, :index]
   resources :events, only: :index
 
   resources :posts do