Add a capabilities API call. Fixes #410.

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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 62633dbb3ddbb6a79e0f38183e61a70621ece0d5..7e8017f4e3736dabf1471d6d1f6730f045506ad5 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -1,5 +1,6 @@
 class ApiController < ApplicationController
 
+  session :off
   after_filter :compress_output
 
   #COUNT is the number of map requests to allow before exiting and starting a new process
@@ -243,6 +244,22 @@ class ApiController < ApplicationController
       
       exit!
     end
+  end
+
+  def capabilities
+    doc = OSM::API.new.get_xml_doc
 
+    api = XML::Node.new 'api'
+    version = XML::Node.new 'version'
+    version['minimum'] = '0.4';
+    version['maximum'] = '0.4';
+    api << version
+    area = XML::Node.new 'area'
+    area['maximum'] = MAX_REQUEST_AREA.to_s;
+    api << area
+    
+    doc.root << api
+
+    render :text => doc.to_s, :content_type => "text/xml"
   end
 end