class Page

def find_by_path(path, can_view_drafts = false, clean = true)
  return nil if virtual?
  path = clean_path(path) if clean
  my_path = self.path
  if (my_path == path) && (published? || hidden? || can_view_drafts)
    return self
  elsif path =~ /^#{Regexp.quote(my_path)}([^\/]*)/
    slug_child = children.find_by_slug($1)
    if slug_child
      found = slug_child.find_by_path(path, can_view_drafts, clean)
      return found if found
    end
    children.each do |child|
      found = child.find_by_path(path, can_view_drafts, clean)
      return found if found
    end
  end
  unless slug_child
    file_not_found_types = ([FileNotFoundPage] + FileNotFoundPage.descendants)
    file_not_found_names = file_not_found_types.collect { |x| x.name }
    condition = (['class_name = ?'] * file_not_found_names.length).join(' or ')
    condition = "status_id = #{Status[:published].id} and (#{condition})" unless can_view_drafts
    return children.where([condition] + file_not_found_names).first
  end
  slug_child
end