Add validation code to getting started guide and improve validation

section

2 files changed, 11 insertions, 0 deletions

diff --git a/guides/code/getting_started/app/controllers/posts_controller.rb b/guides/code/getting_started/app/controllers/posts_controller.rb
index 2ad69a9bcf..947cd2a767 100644
--- a/guides/code/getting_started/app/controllers/posts_controller.rb
+++ b/guides/code/getting_started/app/controllers/posts_controller.rb
@@ -9,6 +9,7 @@ class PostsController < ApplicationController
   end
 
   def new
+    @post = Post.new
   end
 
   def create
diff --git a/guides/code/getting_started/app/views/posts/_form.html.erb b/guides/code/getting_started/app/views/posts/_form.html.erb
index 51fa3f4f12..18cb29f335 100644
--- a/guides/code/getting_started/app/views/posts/_form.html.erb
+++ b/guides/code/getting_started/app/views/posts/_form.html.erb
@@ -1,4 +1,14 @@
 <%= form_for :post, :url => { :action => :create } do |f| %>
+  <% if @post.errors.any? %>
+    <div id="errorExplanation">
+      <h2><%= pluralize(@post.errors.count, "error") %> prohibited this post from being saved:</h2>
+      <ul>
+        <% @post.errors.full_messages.each do |msg| %>
+          <li><%= msg %></li>
+        <% end %>
+      </ul>
+    </div>
+  <% end %>
   <p>
     <%= f.label :title %><br>
     <%= f.text_field :title %>