talk/routes/api/setup/index.js

const express = require('express');

const SetupService = require('../../../services/setup');

const router = express.Router();

router.get('/', async (req, res, next) => {
  try {
    await SetupService.isAvailable();
    res.json({installed: false});
  } catch (e) {
    res.json({installed: true});
  }
});

router.post('/', async (req, res, next) => {
  try {
    await SetupService.isAvailable();
  } catch (e) {
    return next(e);
  }

  const {
    settings,
    user: {email, password, username}
  } = req.body;

  try {
    await SetupService.setup({settings, user: {email, password, username}});
    res.status(204).end();
  } catch (err) {
    return next(err);
  }
});

module.exports = router;