router.js

export async function reserve(req, res) {
  try {
    const locker = await Locker.find({
      where: {
        _id: req.params.id
      }
    });
    await handleEntityNotFound(res, true)(locker);
    const reservation = req.body.reservation || {};
    if (!reservation.tmpToken) {
      reservation.tmpToken = req.cookies.tmpToken;
    }
    const canDoReservation = await checkCanDoReservation({ locker, reservation });
    const { tmpToken } = await doReserving(canDoReservation);
    res.cookie('tmpToken', tmpToken, { maxAge: 600000, httpOnly: true });

    return await respondWithResult(res)({ tmpToken });
  } catch (e) {
    return await handleError(res, 204);
  }  
}