added everything needed to render a page

1 files changed, 21 insertions, 0 deletions

diff --git a/app/models/node.rb b/app/models/node.rb
index 6e54004..5acf563 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -3,6 +3,27 @@ class Node < ActiveRecord::Base
   
   has_many :pages, :order => "revision ASC"
   
+  # Class methods
+  
+  def self.find_page path, revision = :current
+    
+    node = Node.find_by_unique_name(path)
+        
+    if node
+      
+      case revision
+      when :current        
+        return node.pages.last 
+      when /\d+/
+        return node.pages.find_by_revision revision
+      end
+    end
+    
+    nil
+  end
+  
+  # Instance Methods
+  
   # returns array with pages up to root excluding root
   def path_to_root
     parent.nil? && [slug] || parent.path_to_root.push(slug)