module Scrivito
module Backend

module PermalinkIndex
class << self

  include Backend::Index

  def id
    "permalink"
  end

  def query(keys)
    [{ field: '_permalink', operator: :equals, value: keys }]
  end

  def extract_update_value_from_data(data)
    data["_permalink"]
  end

end
end

end
end