From 6a13bb8c60b43f5798b7646791c982789d08215d Mon Sep 17 00:00:00 2001
From: hukl <contact@smyck.org>
Date: Sat, 18 Apr 2009 14:23:51 +0200
Subject: adding "restore_revision" functionality to the backend

---
 app/models/node.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'app/models/node.rb')

diff --git a/app/models/node.rb b/app/models/node.rb
index b56dff5..0b92708 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -81,6 +81,15 @@ class Node < ActiveRecord::Base
     end
   end
   
+  def restore_revision! revision
+    if page = self.pages.find_by_revision(revision)
+      self.head = page
+      self.save
+    else
+      nil
+    end
+  end
+  
   # returns an array with all parts of a unique_name rather than a string
   def unique_path
     unique_name.split("/") rescue unique_name
-- 
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