3 files changed, 30 insertions, 1 deletions

diff --git a/app/models/node.rb b/app/models/node.rb
index 82183c9..e2ff973 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -1,3 +1,13 @@
 class Node < ActiveRecord::Base
   acts_as_nested_set
+  
+  # returns array with pages up to root excluding root
+  def path_to_root
+    parent.nil? && [slug] || parent.path_to_root.push(slug)
+  end
+  
+  def update_unique_name
+    path = self.path_to_root[1..-1]
+    self.unique_name = path.join("/")
+  end
 end
diff --git a/config/environment.rb b/config/environment.rb
index c53ab90..aad0815 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -38,4 +38,6 @@ Rails::Initializer.run do |config|
   # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
   # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}')]
   # config.i18n.default_locale = :de
-end
\ No newline at end of file
+end
+
+require 'awesome_patch'
\ No newline at end of file
diff --git a/lib/awesome_patch.rb b/lib/awesome_patch.rb
new file mode 100644
index 0000000..1694ccf
--- /dev/null
+++ b/lib/awesome_patch.rb
@@ -0,0 +1,17 @@
+module CollectiveIdea
+  module Acts #:nodoc:
+    module NestedSet
+      module InstanceMethods
+        alias_method :move_to_original, :move_to
+        
+        def move_to target, position
+          move_to_original target, position
+          if self.class == Node
+            self.update_unique_name
+            self.save
+          end
+        end
+      end
+    end
+  end
+end
\ No newline at end of file