router.post('', passport.withRole('admin'), async (req, res) => {
  try {
    let [ validAddresses, validContacts, vendor ] = await Promise.all([
      req.body.addresses ? Address.validateAddresses(req.body.addresses) : [],
      req.body.contacts ? Contact.validateContacts(req.body.contacts) : [],
      Vendor.create(req.body)
    ]);

    await Promise.all([
      validAddresses.length ? Address.createAndSet(req.body.addresses, vendor) : [],
      validContacts.length ? Contact.createAndSet(req.body.contacts, vendor) : [],
    ]);
    res.status(200).json(vendor)
  }
  catch (err) {
    res.status(500).json(err)
  }
})