server_incomplete.js

const PouchDB = require('pouchdb');
const db = new PouchDB('./database');
const express = require('express');
const app = express();
const router = express.Router();

app.use('/locker', router);
app.listen(8800, function () {
  console.log('Listening at http://localhost:8800/locker');
});

router.get('/', (request, response) => {
  response.status(200).json('Hello');
});

function wrap (responder) {
  return async (req, res) => {
    try {
      await responder(req, res);
    } catch (exception) {
      res.status(500).json(exception);
    }
  };
}

router.post('/', wrap(async (req, res) => {
  const dbResponse = await db.post({'_attachments': {}});
  res.status(200).json(dbResponse);
}));

router.get('/:id/items', wrap(async (req, res) => {
  const id = req.params.id;
  const {_attachments} = await db.get(id);
  res.status(200).json(Object.keys(_attachments));
}));

router.delete('/:id', wrap(async ({params: {id}}, res) => {
  const doc = await db.get(id);
  const dbResponse = await db.remove(id, doc._rev);
  res.json(dbResponse);
}));