Eager load node and way details when processing a map call.

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

diff --git a/app/controllers/old_relation_controller.rb b/app/controllers/old_relation_controller.rb
index 0b5aa89be885f18c03cf83c46097778efc839610..65de83278c7ff4b67181eefa473baedc9ef993b0 100644 (file)
--- a/app/controllers/old_relation_controller.rb
+++ b/app/controllers/old_relation_controller.rb
@@ -2,6 +2,7 @@ class OldRelationController < ApplicationController
   require 'xml/libxml'
 
   session :off
+  before_filter :check_api_readable
   after_filter :compress_output
 
   def history
@@ -20,4 +21,24 @@ class OldRelationController < ApplicationController
       render :nothing => true, :status => :internal_server_error
     end
   end
+  
+  def version
+    begin
+      old_relation = OldRelation.find(:first, :conditions => {:id => params[:id], :version => params[:version]} )
+      if old_relation.nil?
+        # (RecordNotFound is not raised with find :first...)
+        render :nothing => true, :status => :not_found
+        return
+      end
+      
+      response.headers['Last-Modified'] = old_relation.timestamp.rfc822
+
+      doc = OSM::API.new.get_xml_doc
+      doc.root << old_relation.to_xml_node
+
+      render :text => doc.to_s, :content_type => "text/xml"
+    rescue
+      render :nothing => true, :status => :internal_server_error
+    end
+  end
 end