emit last-modified headers on nodes and ways

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 7b7dbe81cad4a2d491102ac1d4cc90a890368594..c1bbe5f72f13f220ca6d72df484cd70be60a2d20 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -13,7 +13,7 @@ class WayController < ApplicationController
 
       if way
         if !way.preconditions_ok?
-          render :nothing => true, :status => :precondition_failed
+          render :text => "", :status => :precondition_failed
         else
           way.user_id = @user.id
           way.save_with_history!
@@ -32,10 +32,12 @@ class WayController < ApplicationController
     begin
       way = Way.find(params[:id])
 
+      response.headers['Last-Modified'] = way.timestamp.rfc822
+
       if way.visible
         render :text => way.to_xml.to_s, :content_type => "text/xml"
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -45,27 +47,22 @@ class WayController < ApplicationController
   def update
     begin
       way = Way.find(params[:id])
+      new_way = Way.from_xml(request.raw_post)
 
-      if way.visible
-        new_way = Way.from_xml(request.raw_post)
-
-        if new_way and new_way.id == way.id
-          if !new_way.preconditions_ok?
-            render :nothing => true, :status => :precondition_failed
-          else
-            way.user_id = @user.id
-            way.tags = new_way.tags
-            way.nds = new_way.nds
-            way.visible = true
-            way.save_with_history!
-
-            render :nothing => true
-          end
+      if new_way and new_way.id == way.id
+        if !new_way.preconditions_ok?
+          render :text => "", :status => :precondition_failed
         else
-          render :nothing => true, :status => :bad_request
+          way.user_id = @user.id
+          way.tags = new_way.tags
+          way.nds = new_way.nds
+          way.visible = true
+          way.save_with_history!
+
+          render :nothing => true
         end
       else
-        render :nothing => true, :status => :gone
+        render :nothing => true, :status => :bad_request
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -78,7 +75,7 @@ class WayController < ApplicationController
 
       if way.visible
         if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='way' and member_id=?", params[:id]])
-          render :nothing => true, :status => :precondition_failed
+          render :text => "", :status => :precondition_failed
         else
           way.user_id = @user.id
           way.tags = []
@@ -89,7 +86,7 @@ class WayController < ApplicationController
          render :nothing => true
         end
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -115,7 +112,7 @@ class WayController < ApplicationController
 
         render :text => doc.to_s, :content_type => "text/xml"
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -145,16 +142,12 @@ class WayController < ApplicationController
   def ways_for_node
     wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
 
-    if wayids.length > 0
-      doc = OSM::API.new.get_xml_doc
-
-      Way.find(wayids).each do |way|
-        doc.root << way.to_xml_node
-      end
+    doc = OSM::API.new.get_xml_doc
 
-      render :text => doc.to_s, :content_type => "text/xml"
-    else
-      render :nothing => true, :status => :bad_request
+    Way.find(wayids).each do |way|
+      doc.root << way.to_xml_node
     end
+
+    render :text => doc.to_s, :content_type => "text/xml"
   end
 end