Support getting a way, and all the segments and nodes it depends on, via /way/:id...

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 875a29583293dd49dcffab7c40756334d57642cc..acc8a5d0cdb3ea38d3b9aee550b915ea6f50fa45 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -32,6 +32,41 @@ class WayController < ApplicationController
     render :nothing => true, :status => 500 # something went very wrong
   end
 
     render :nothing => true, :status => 500 # something went very wrong
   end
 

+  def full\r
+    unless Way.exists?(params[:id])
+      render :nothing => true, :status => 404
+      return
+    end
+
+    way = Way.find(params[:id])
+
+    unless way.visible
+        render :nothing => true, :status => 410
+        return
+    end
+
+       # 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(',')})")
+       
+       # 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
+  end
+

   def rest\r
     unless Way.exists?(params[:id])
       render :nothing => true, :status => 404
   def rest\r
     unless Way.exists?(params[:id])
       render :nothing => true, :status => 404