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class Node < ActiveRecord::Base
acts_as_nested_set
has_many :pages, :order => "revision ASC"
# returns array with pages up to root excluding root
def path_to_root
parent.nil? && [slug] || parent.path_to_root.push(slug)
end
def update_unique_name
path = self.path_to_root[1..-1]
self.unique_name = path.join("/")
end
end
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