Add basic admin notes index

Allow admins to view all notes in one place and navigate to any Note's
Notable record.

app/controllers/admin/notes_controller.rb

@@ -2,6 +2,10 @@ class Admin::NotesController < AdminController
   include Admin::TagHelper
   include TranslatableParams
 
+  def index
+    @notes = Note.paginate(page: params[:page], per_page: 50)
+  end
+
   def new
     @note = scope.build
     @note.build_all_translations

app/views/admin/notes/_show.html.erb

@@ -26,8 +26,10 @@
   <% end %>
 </div>
 
-<div class="row">
-  <p class="span12">
-    <%= link_to "New note", new_admin_note_path(notable_type: notable.class, notable_id: notable), class: "btn btn-info" %>
-  </p>
-</div>
+<% if notable %>
+  <div class="row">
+    <p class="span12">
+      <%= link_to "New note", new_admin_note_path(notable_type: notable.class, notable_id: notable), class: "btn btn-info" %>
+    </p>
+  </div>
+<% end %>

app/views/admin/notes/index.html.erb

@@ -0,0 +1,18 @@
+<div class="row">
+  <div class="span12">
+    <div class="page-header">
+      <h1><%= @title = 'Notes' %></h1>
+    </div>
+  </div>
+</div>
+
+<div class="row">
+  <div class="span12">
+    <p class="lead">Create notes either directly on a record or <%= link_to 'via a tag', admin_tags_path %>.</p>
+  </div>
+</div>
+
+<%= render partial: 'admin/notes/show',
+           locals: { notes: @notes, notable: nil } %>
+
+<%= will_paginate(@notes) %>

app/views/admin_general/_admin_navbar.html.erb

@@ -57,6 +57,7 @@
               <li><%= link_to 'Blog Posts', admin_blog_posts_path %></li>
               <li><%= link_to 'Censor Rules', admin_censor_rules_path %></li>
               <li><%= link_to 'Holidays', admin_holidays_path %></li>
+              <li><%= link_to 'Notes', admin_notes_path %></li>
               <li><%= link_to 'Spam Addresses', admin_spam_addresses_path %></li>
             </ul>
           </li>

config/routes.rb

@@ -537,7 +537,7 @@ def matches?(request)
 
   #### AdminNote controller
   namespace :admin do
-    resources :notes, except: [:index, :show]
+    resources :notes, except: [:show]
   end
 
   direct :admin_note_parent do |note|

doc/CHANGES.md

@@ -2,6 +2,7 @@
 
 ## Highlighted Features
 
+* Add basic admin notes index page (Gareth Rees)
 * Add link from incoming message to admin page for attachments (Gareth Rees)
 * Add XSLX spreadsheet analyser to automatically detect hidden data (Helen
   Cross, Graeme Porteous)