self.nds.each do |n|
node = Node.find(:first, :conditions => ["id = ?", n])
unless node and node.visible
- return false
+ raise OSM::APIPreconditionFailedError.new("The node with id #{n} either does not exist, or is not visible")
end
end
return true
end
end
- # delete a way and its nodes that aren't part of other ways, with history
-
- # FIXME: merge the potlatch code to delete the relations
- # and refactor to use delete_with_history!
- # This really needs the ids and versions of the nodes/relations to be passed in too
- # so that we can do the version checking before the delete
- def delete_with_relations_and_nodes_and_history(changeset_id)
- # delete the nodes not used by other ways
- self.unshared_node_ids.each do |node_id|
- n = Node.find(node_id)
- n.changeset_id = changeset_id
- n.visible = false
- # FIXME next line is bad
- n.save_with_history!
- end
-
- self.changeset_id = changeset_id
- self.tags = []
- self.nds = []
- self.visible = false
- # FIXME next line is bad
- self.save_with_history!
- end
-
# Find nodes that belong to this way only
def unshared_node_ids
node_ids = self.nodes.collect { |node| node.id }