api06: simplify exception handling and add exception handling to the diff

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

diff --git a/app/controllers/node_controller.rb b/app/controllers/node_controller.rb
index fa6759c3b5debb59e601a7bd519d401ac352dfd9..1e0deb14004bfb5fc6c99f0388c64e92af65a20a 100644 (file)
--- a/app/controllers/node_controller.rb
+++ b/app/controllers/node_controller.rb
@@ -49,10 +49,6 @@ class NodeController < ApplicationController
     begin
       node = Node.find(params[:id])
       new_node = Node.from_xml(request.raw_post)
-      if new_node.version != node.version
-        render :text => "Version mismatch: Provided " + new_node.version.to_s + ", server had: " + node.version.to_s, :status => :bad_request
-        return
-      end  
 
       if new_node and new_node.id == node.id
         node.update_from(new_node, @user)
@@ -60,6 +56,9 @@ class NodeController < ApplicationController
       else
         render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIVersionMismatchError => ex
+      render :text => "Version mismatch: Provided " + ex.provided.to_s +
+       ", server had: " + ex.latest.to_s, :status => :bad_request
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     end
@@ -73,10 +72,8 @@ class NodeController < ApplicationController
       node.delete_with_history(@user)
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue OSM::APIAlreadyDeletedError
-      render :text => "", :status => :gone
-    rescue OSM::APIPreconditionFailedError
-      render :text => "", :status => :precondition_failed
+    rescue OSM::APIError => ex
+      render ex.render_opts
     end
   end