replaced "wtf does this do" comment by something explaining what it does.

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

diff --git a/app/controllers/node_controller.rb b/app/controllers/node_controller.rb
index 309b930b7f89af7344e160b25d5af9dd0599f144..c03f3c4fbf26767135213e4e65c0d2b5de9f11fc 100644 (file)
--- a/app/controllers/node_controller.rb
+++ b/app/controllers/node_controller.rb
@@ -44,21 +44,6 @@ class NodeController < ApplicationController
     end
   end
   
-  # Dump a specific version of the node based on the given params[:id] and params[:version]
-  def version
-    begin
-      node = Node.find(:first, :conditions => { :id => params[:id], :version => params[:version] } )
-      if node.visible
-        response.headers['Last-Modified'] = node.timestamp.rfc822
-        render :text => node.to_xml.to_s, :content_type => "text/xml"
-      else
-        render :nothing => true, :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    end
-  end
-
   # Update a node from given XML
   def update
     begin
@@ -71,29 +56,24 @@ class NodeController < ApplicationController
       else
         render :nothing => true, :status => :bad_request
       end
-    rescue OSM::APIVersionMismatchError => ex
-      render :text => "Version mismatch: Provided " + ex.provided.to_s +
-        ", server had: " + ex.latest.to_s, :status => :bad_request
+    rescue OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     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
+  # Delete a node. Doesn't actually delete it, but retains its history 
+  # in a wiki-like way. We therefore treat it like an update, so the delete
+  # method returns the new version number.
   def delete
     begin
       node = Node.find(params[:id])
       new_node = Node.from_xml(request.raw_post)
-      # FIXME we no longer care about the user, (or maybe we want to check
-      # that the user of the changeset is the same user as is making this
-      # little change?) we really care about the 
-      # changeset which must be open, and that the version that we have been
-      # given is the one that is currently stored in the database
       
       if new_node and new_node.id == node.id
-        node.delete_with_history(new_node, @user)
-        render :nothing => true
+        node.delete_with_history!(new_node, @user)
+        render :text => node.version.to_s, :content_type => "text/plain"
       else
         render :nothing => true, :status => :bad_request
       end
@@ -104,7 +84,7 @@ class NodeController < ApplicationController
     end
   end
 
-  # WTF does this do?
+  # Dump the details on many nodes whose ids are given in the "nodes" parameter.
   def nodes
     ids = params['nodes'].split(',').collect { |n| n.to_i }