Render an empty text string instead of nothing (which actually generate a

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

diff --git a/app/controllers/relation_controller.rb b/app/controllers/relation_controller.rb
index efd5bf9dc37a2064cbdef16b16b8c686c96f0dde..3c6ef8ee020a202de70740b0d34b771407e50b3d 100644 (file)
--- a/app/controllers/relation_controller.rb
+++ b/app/controllers/relation_controller.rb
@@ -1,9 +1,10 @@
 class RelationController < ApplicationController
   require 'xml/libxml'
 
+  session :off
   before_filter :authorize, :only => [:create, :update, :delete]
-  before_filter :check_availability, :only => [:create, :update, :delete]
-
+  before_filter :check_write_availability, :only => [:create, :update, :delete]
+  before_filter :check_read_availability, :except => [:create, :update, :delete]
   after_filter :compress_output
 
   def create
@@ -12,15 +13,12 @@ class RelationController < ApplicationController
 
       if relation
         if !relation.preconditions_ok?
-          render :nothing => true, :status => :precondition_failed
+          render :text => "", :status => :precondition_failed
         else
           relation.user_id = @user.id
+          relation.save_with_history!
 
-          if relation.save_with_history
-            render :text => relation.id.to_s, :content_type => "text/plain"
-          else
-            render :text => "save error", :status => :internal_server_error
-          end
+         render :text => relation.id.to_s, :content_type => "text/plain"
         end
       else
         render :nothing => true, :status => :bad_request
@@ -37,7 +35,7 @@ class RelationController < ApplicationController
       if relation.visible
         render :text => relation.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
@@ -55,24 +53,21 @@ class RelationController < ApplicationController
 
         if new_relation and new_relation.id == relation.id
           if !new_relation.preconditions_ok?
-            render :nothing => true, :status => :precondition_failed
+            render :text => "", :status => :precondition_failed
           else
             relation.user_id = @user.id
             relation.tags = new_relation.tags
             relation.members = new_relation.members
             relation.visible = true
+            relation.save_with_history!
 
-            if relation.save_with_history
-              render :nothing => true
-            else
-              render :nothing => true, :status => :internal_server_error
-            end
+            render :nothing => true
           end
         else
           render :nothing => true, :status => :bad_request
         end
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -88,21 +83,18 @@ class RelationController < ApplicationController
 
       if relation.visible
         if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='relation' and member_id=?", params[:id]])
-          render :nothing => true, :status => :precondition_failed
+          render :text => "", :status => :precondition_failed
         else
           relation.user_id = @user.id
           relation.tags = []
           relation.members = []
           relation.visible = false
+          relation.save_with_history!
 
-          if relation.save_with_history
-            render :nothing => true
-          else
-            render :nothing => true, :status => :internal_server_error
-          end
+          render :nothing => true
         end
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
@@ -149,16 +141,18 @@ class RelationController < ApplicationController
     
         # create XML.
         doc = OSM::API.new.get_xml_doc
+        visible_nodes = {}
         user_display_name_cache = {}
 
         nodes.each do |node|
           if node.visible? # should be unnecessary if data is consistent.
             doc.root << node.to_xml_node(user_display_name_cache)
+            visible_nodes[node.id] = node
           end
         end
         ways.each do |way|
           if way.visible? # should be unnecessary if data is consistent.
-            doc.root << way.to_xml_node(user_display_name_cache)
+            doc.root << way.to_xml_node(visible_nodes, user_display_name_cache)
           end
         end
         relations.each do |rel|
@@ -172,7 +166,7 @@ class RelationController < ApplicationController
 
       else
 
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
 
     rescue ActiveRecord::RecordNotFound