Added database, API and GPX status to capabilities.

app/controllers/api_controller.rb

@@ -285,7 +285,12 @@ class ApiController < ApplicationController
     timeout = XML::Node.new 'timeout'
     timeout['seconds'] = API_TIMEOUT.to_s
     api << timeout
-    
+    status = XML::Node.new 'status'
+    status['database'] = database_status.to_s
+    status['api'] = api_status.to_s
+    status['gpx'] = gpx_status.to_s
+    api << status
+
     doc.root << api
 
     render :text => doc.to_s, :content_type => "text/xml"

app/controllers/application_controller.rb

@@ -206,20 +206,49 @@ class ApplicationController < ActionController::Base
   end
 
   def check_api_readable
-    if STATUS == :database_offline or STATUS == :api_offline
+    if api_status == :offline
       report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
   def check_api_writable
-    if STATUS == :database_offline or STATUS == :database_readonly or
-       STATUS == :api_offline or STATUS == :api_readonly
+    unless api_status == :online
       report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
+  def database_status
+    if STATUS == :database_offline
+      :offline
+    elsif STATUS == :database_readonly
+      :readonly
+    else 
+      :online
+    end
+  end
+
+  def api_status
+    status = database_status
+    if status == :online
+      if STATUS == :api_offline
+        status = :offline
+      elsif STATUS == :api_readonly
+        status = :readonly
+      end
+    end
+    return status
+  end
+
+  def gpx_status
+    status = database_status
+    if status == :online
+      status = :offline if STATUS == :gpx_offline
+    end
+    return status
+  end
+
   def require_public_data
     unless @user.data_public?
       report_error "You must make your edits public to upload new data", :forbidden

test/functional/api_controller_test.rb

@@ -299,6 +299,9 @@ class ApiControllerTest < ActionController::TestCase
         assert_select "area[maximum=#{MAX_REQUEST_AREA}]", :count => 1
         assert_select "tracepoints[per_page=#{TRACEPOINTS_PER_PAGE}]", :count => 1
         assert_select "changesets[maximum_elements=#{Changeset::MAX_ELEMENTS}]", :count => 1
+        assert_select "status[database=online]", :count => 1
+        assert_select "status[api=online]", :count => 1
+        assert_select "status[gpx=online]", :count => 1
       end
     end
   end