X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/d9e070e06956801aba2378c1b79b4d9f13ae12ee..a2498928e470b358f69902d9fdc72a1a80aa5bf8:/lib/geo_record.rb

diff --git a/lib/geo_record.rb b/lib/geo_record.rb
index 2740eab0c..645ddc93a 100644
--- a/lib/geo_record.rb
+++ b/lib/geo_record.rb
@@ -42,6 +42,23 @@ module GeoRecord
     return self.longitude.to_f / SCALE
   end
 
+  # Generic checks that are run for the updates and deletes of
+  # node, ways and relations. This code is here to avoid duplication, 
+  # and allow the extention of the checks without having to modify the
+  # code in 6 places for all the updates and deletes. Some of these tests are 
+  # needed for creates, but are currently not run :-( 
+  # This will throw an exception if there is an inconsistency
+  def check_consistency(old, new, user)
+    if new.version != old.version
+      raise OSM::APIVersionMismatchError.new(new.version, old.version)
+    elsif new.changeset.nil?
+      raise OSM::APIChangesetMissingError.new
+    elsif new.changeset.user_id != user.id
+      raise OSM::APIUserChangesetMismatchError.new
+    elsif not new.changeset.is_open?
+      raise OSM::APIChangesetAlreadyClosedError.new
+    end
+  end
 private
   
   def lat2y(a)