module Noah::Linkable def self.included(model) model.send :set, :links, ::Noah::Link model.send :index, :links end def link!(link_name) link = Noah::Link.find_or_create(:path => link_name) link.nodes = self links << link end def unlink!(link_name) end def to_hash link_arr = Array.new self.links.sort.each {|l| link_arr << l.path} if self.links.size != 0 super.merge(:links => link_arr) end end