bug fix. Adding some transactions to amf controller, and adding the missing version...

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index d569991af109469c2eee4c39dde9dd189bbf5e1a..80c75d91c3644d4c72fb04c8ea8758687217fa5a 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -8,23 +8,22 @@ class WayController < ApplicationController
   after_filter :compress_output
 
   def create
-    if request.put?
-      way = Way.from_xml(request.raw_post, true)
-
-      if way
-        if !way.preconditions_ok?
-          render :nothing => true, :status => :precondition_failed
-        else
-          way.user_id = @user.id
-          way.save_with_history!
+    begin
+      if request.put?
+        way = Way.from_xml(request.raw_post, true)
 
+        if way
+          way.create_with_history @user
           render :text => way.id.to_s, :content_type => "text/plain"
+        else
+          render :nothing => true, :status => :bad_request
         end
       else
-        render :nothing => true, :status => :bad_request
+        render :nothing => true, :status => :method_not_allowed
       end
-    else
-      render :nothing => true, :status => :method_not_allowed
+    rescue OSM::APIError => ex
+      logger.warn request.raw_post
+      render ex.render_opts
     end
   end
 
@@ -32,11 +31,15 @@ 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 OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     end
@@ -45,48 +48,36 @@ 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.segs = new_way.segs
-            way.visible = true
-            way.save_with_history!
-
-            render :nothing => true
-          end
-        else
-          render :nothing => true, :status => :bad_request
-        end
+      if new_way and new_way.id == way.id
+        way.update_from(new_way, @user)
+        render :text => way.version.to_s, :content_type => "text/plain"
       else
-        render :nothing => true, :status => :gone
+        render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIError => ex
+      logger.warn request.raw_post
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     end
   end
 
+  # This is the API call to delete a way
   def delete
     begin
       way = Way.find(params[:id])
+      new_way = Way.from_xml(request.raw_post)
 
-      if way.visible
-        way.user_id = @user.id
-        way.tags = []
-        way.segs = []
-        way.visible = false
-        way.save_with_history!
-
-        render :nothing => true
+      if new_way and new_way.id == way.id
+        way.delete_with_history!(new_way, @user)
+        render :text => way.version.to_s, :content_type => "text/plain"
       else
-        render :nothing => true, :status => :gone
+        render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     end
@@ -97,28 +88,19 @@ class WayController < ApplicationController
       way = Way.find(params[:id])
 
       if way.visible
-        # In future, we might want to do all the data fetch in one step
-        seg_ids = way.segs + [-1]
-        segments = Segment.find_by_sql "select * from current_segments where visible = 1 and id IN (#{seg_ids.join(',')})"
-
-        node_ids = segments.collect {|segment| segment.node_a }
-        node_ids += segments.collect {|segment| segment.node_b }
-        node_ids += [-1]
-        nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{node_ids.join(',')})")
+        nd_ids = way.nds + [-1]
+        nodes = Node.find(:all, :conditions => ["visible = ? AND id IN (#{nd_ids.join(',')})", true])
 
         # Render
         doc = OSM::API.new.get_xml_doc
         nodes.each do |node|
           doc.root << node.to_xml_node()
         end
-        segments.each do |segment|
-          doc.root << segment.to_xml_node()
-        end
         doc.root << way.to_xml_node()
 
         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
@@ -145,19 +127,21 @@ class WayController < ApplicationController
     end
   end
 
-  def ways_for_segment
-    wayids = WaySegment.find(:all, :conditions => ['segment_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
+  ##
+  # returns all the ways which are currently using the node given in the 
+  # :id parameter. note that this used to return deleted ways as well, but
+  # this seemed not to be the expected behaviour, so it was removed.
+  def ways_for_node
+    wayids = WayNode.find(:all, 
+                          :conditions => ['node_id = ?', params[:id]]
+                          ).collect { |ws| ws.id[0] }.uniq
 
-    if wayids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    doc = OSM::API.new.get_xml_doc
 
-      Way.find(wayids).each do |way|
-        doc.root << way.to_xml_node
-      end
-
-      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 if way.visible
     end
+
+    render :text => doc.to_s, :content_type => "text/xml"
   end
 end