X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/bbd769304cf29bbd9574fd3c7167feb7d5d0aa17..a855d20ba484c35b95412828718e5ca027876cb3:/app/models/way.rb?ds=inline diff --git a/app/models/way.rb b/app/models/way.rb index 924fffe5c..121dff8bd 100644 --- a/app/models/way.rb +++ b/app/models/way.rb @@ -224,4 +224,40 @@ class Way < ActiveRecord::Base raise OSM::APIAlreadyDeletedError end end + + # delete a way and it's nodes that aren't part of other ways, with history + # WARNING, INCOMPLETE - Read the code + def delete_with_relations_and_nodes_and_history(user) + return false # until complete, just return false + + node_ids = self.nodes.collect {|node| node.id } + node_ids_not_to_delete = [] + way_nodes = WayNode.find(:all, :conditions => "node_id in [#{node_ids.join(',')}] and id not #{self.id}") + + node_ids_not_to_delete = way_nodes.collect {|way_node| way_node.node_id} + + nodes_to_delete = node_ids - node_ids_not_to_delete + + # update the visibility etc on the current nodes + update_time = Time.now() + + Node.update(node_ids_to_delete, {:user_id = user.id, :timestamp => update_time, :visibility => false}) + + # create old nodes + + old_nodes_to_create = [] + OldNode.find(node_ids_to_delete).each do |old_node| + old_nodes_to_create << {:id => old_node.id, :timestamp => update_time, :latitude => old_node.latitude, :longitude => old_node.longitude, :visible => false} + end + + OldNode.create(old_nodes_to_create) + + # FIXME - the old nodes need to have their tile updated and I have no idea how that works + # they also need their tags copied over, and that depends on normalising the tags out to their own table that nicks working on + + # finally, delete the way + + self.delete_with_relations_and_history + + end end