Adding a restriction to prevent more than 2000 nodes to be added to any way. Tests...

[rails.git] / app / models / way.rb

diff --git a/app/models/way.rb b/app/models/way.rb
index 1304d8a184da14254064c732ae252b4db6978756..9d4d8ba87c0ac13c1ef635a612dfa191577e21e7 100644 (file)
--- a/app/models/way.rb
+++ b/app/models/way.rb
@@ -238,6 +238,9 @@ class Way < ActiveRecord::Base
 
   def preconditions_ok?
     return false if self.nds.empty?
+    if self.nds.length > APP_CONFIG['max_number_of_way_nodes']
+      raise OSM::APITooManyWayNodesError.new(self.nds.count, APP_CONFIG['max_number_of_way_nodes'])
+    end
     self.nds.each do |n|
       node = Node.find(:first, :conditions => ["id = ?", n])
       unless node and node.visible
@@ -299,4 +302,21 @@ class Way < ActiveRecord::Base
   def tags_as_hash
     return self.tags
   end
+
+  ##
+  # if any referenced nodes are placeholder IDs (i.e: are negative) then
+  # this calling this method will fix them using the map from placeholders 
+  # to IDs +id_map+. 
+  def fix_placeholders!(id_map)
+    self.nds.map! do |node_id|
+      if node_id < 0
+        new_id = id_map[:node][node_id]
+        raise "invalid placeholder for #{node_id.inspect}: #{new_id.inspect}" if new_id.nil?
+        new_id
+      else
+        node_id
+      end
+    end
+  end
+
 end