module PgSearch

def disable_multisearch
  Thread.current["PgSearch.enable_multisearch"] = false
  yield
ensure
  Thread.current["PgSearch.enable_multisearch"] = true
end

def multisearch(*args)
  PgSearch::Document.search(*args)
end

def multisearch_enabled?
  if Thread.current.key?("PgSearch.enable_multisearch")
    Thread.current["PgSearch.enable_multisearch"]
  else
    true
  end
end

def pg_search_rank
  read_attribute(:pg_search_rank).to_f
end