pfadi-bussle/pages/api/booking.js

import { createBooking } from './db/index'
import { Error } from 'mongoose'

export default async function userHandler(req, res) {
  const { method } = req

  switch (method) {
    case 'POST':
      try {
        const data = await createBooking(req.body)
        res.status(200).json(data)
      } catch (e) {
        console.error(e)

        if (e instanceof Error.ValidatorError) {
          res.status(400).end(e.message)
          return
        }
        res.status(500).end(`Internal Server Error...Guru is meditating...`)
      }
      break
    default:
      res.setHeader('Allow', ['POST'])
      res.status(405).end(`Method ${method} Not Allowed`)
  }
}