module PgSearch::Multisearchable

def update_pg_search_document
  if_conditions = Array(pg_search_multisearchable_options[:if])
  unless_conditions = Array(pg_search_multisearchable_options[:unless])
  should_have_document =
    if_conditions.all? { |condition| condition.to_proc.call(self) } &&
    unless_conditions.all? { |condition| !condition.to_proc.call(self) }
  if should_have_document
    pg_search_document ? pg_search_document.save : create_pg_search_document
  else
    pg_search_document.destroy if pg_search_document
  end
end