Chris@909: class Category < ActiveRecord::Base
Chris@909:   acts_as_nested_set
Chris@909:   
Chris@909:   def to_s
Chris@909:     name
Chris@909:   end
Chris@909:   
Chris@909:   def recurse &block
Chris@909:     block.call self, lambda{
Chris@909:       self.children.each do |child|
Chris@909:         child.recurse &block
Chris@909:       end
Chris@909:     }
Chris@909:   end
Chris@909: end