From 4bbfc307c332a5c320462daed4fad099e218c255 Mon Sep 17 00:00:00 2001
From: r888888888 <r888888888@gmail.com>
Date: Wed, 5 Jun 2013 15:04:31 -0700
Subject: [PATCH] better explicit check for existence of parent

---
 app/models/post.rb                              | 4 ++++
 app/views/posts/partials/show/_notices.html.erb | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index baf592c7f..793fa4a35 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -820,6 +820,10 @@ class Post < ActiveRecord::Base
         false
       end
     end
+
+    def parent_exists?
+      Post.exists?(parent_id)
+    end
   end
 
   module DeletionMethods
diff --git a/app/views/posts/partials/show/_notices.html.erb b/app/views/posts/partials/show/_notices.html.erb
index 9ab1d7e88..a64abab20 100644
--- a/app/views/posts/partials/show/_notices.html.erb
+++ b/app/views/posts/partials/show/_notices.html.erb
@@ -46,7 +46,7 @@
   </div>
 <% end %>
 
-<% if post.parent_id && post.parent %>
+<% if post.parent_id && post.parent_exists? %>
   <div class="ui-corner-all ui-state-highlight notice notice-child">
     <%= has_parent_message(post, @parent_post_set) %>
     <div id="has-parent-relationship-preview"><%= @parent_post_set.presenter.post_previews_html(self) %></div>