class Eco::API::Common::People::PersonEntry

def _set_to_core(person, attr, value)
  value = value&.downcase if attr == "email"
  multiple = ["filter_tags"].include?(attr)
  if multiple
    value   = @person_parser.parse(:multiple, value)
    value   = value.map { |v| v&.upcase } if attr == "filter_tags"
    # preserve previous order

    current = into_a(person.send(attr))
    value   = (current & value) + (value - current)
  else
    value   = value&.strip
  end
  person.send("#{attr}=", value)
end