# delete a way and it's nodes that aren't part of other ways, with history
def delete_with_relations_and_nodes_and_history(user)
+
+ 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 != #{self.id}")
+
+ node_ids_not_to_delete = way_nodes.collect {|way_node| way_node.node_id}
+
node_ids_to_delete = node_ids - node_ids_not_to_delete
# delete the nodes not used by other ways
- self.unshared_node_ids.each do |node_id|
+ node_ids_to_delete.each do |node_id|
n = Node.find(node_id)
n.user_id = user.id
n.visible = false
self.user_id = user.id
self.delete_with_relations_and_history(user)
- end
-
- # Find nodes that belong to this way only
- def unshared_node_ids
- node_ids = self.nodes.collect { |node| node.id }
-
- unless node_ids.empty?
- way_nodes = WayNode.find(:all, :conditions => "node_id in (#{node_ids.join(',')}) and id != #{self.id}")
- node_ids = node_ids - way_nodes.collect { |way_node| way_node.node_id }
- end
- return node_ids
end
# Temporary method to match interface to nodes