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[rails.git] / app / controllers / node_controller.rb

diff --git a/app/controllers/node_controller.rb b/app/controllers/node_controller.rb
index d3f1ce7f65808dee854c4407b3fe4dc952739e1f..edc3675e58382fce0b8b5801a2e7180ab280cec2 100644 (file)
--- a/app/controllers/node_controller.rb
+++ b/app/controllers/node_controller.rb
@@ -1,3 +1,5 @@
+# The NodeController is the RESTful interface to Node objects
+
 class NodeController < ApplicationController
   require 'xml/libxml'
 
@@ -7,6 +9,7 @@ class NodeController < ApplicationController
   before_filter :check_read_availability, :except => [:create, :update, :delete]
   after_filter :compress_output
 
+  # Create a node from XML.
   def create
     if request.put?
       node = Node.from_xml(request.raw_post, true)
@@ -25,11 +28,12 @@ class NodeController < ApplicationController
     end
   end
 
+  # Dump the details on a node given in params[:id]
   def read
     begin
       node = Node.find(params[:id])
-
       if node.visible
+        response.headers['Last-Modified'] = node.timestamp.rfc822
         render :text => node.to_xml.to_s, :content_type => "text/xml"
        else
         render :text => "", :status => :gone
@@ -39,6 +43,7 @@ class NodeController < ApplicationController
     end
   end
 
+  # Update a node from given XML
   def update
     begin
       node = Node.find(params[:id])
@@ -61,6 +66,8 @@ class NodeController < ApplicationController
     end
   end
 
+  # Delete a node. Doesn't actually delete it, but retains its history in a wiki-like way.
+  # FIXME remove all the fricking SQL
   def delete
     begin
       node = Node.find(params[:id])
@@ -85,6 +92,7 @@ class NodeController < ApplicationController
     end
   end
 
+  # WTF does this do?
   def nodes
     ids = params['nodes'].split(',').collect { |n| n.to_i }