server.js

const {
  search,
  getLatestCharts,
  getSongsSample,
  getNbSongs,
  trackClick
} = require('./src/utils/db');
const Express = require('express');
const { Server } = require('http');
const Fs = require('fs');
const Path = require('path');

const express = Express();
const server = Server(express);
const port = process.env.PORT || 3000;

// Production should use a reverse proxy (e.g. nginx; I'm using caddy)
// that redirects /search to /index.html, and /api to process.env.PORT
if (process.env.NODE_ENV != 'production') {
  express.use(Express.static(Path.resolve(process.env.NODE_DIR || 'dist')));
  express.get('/search', (req, res) => res.sendFile(Path.resolve(__dirname, 'dist', 'index.html')));
  express.get('/random', (req, res) => res.sendFile(Path.resolve(__dirname, 'dist', 'index.html')));
}

express.get('/api/count', async (req, res) => {
  try {
    const count = await getNbSongs();
    return res.send(count);
  } catch (err) {
    console.error(err.stack);
    res.sendStatus(500);
  }
});

express.get('/api/latest', async (req, res) => {
  try {
    const { from } = req.query;
    const results = await getLatestCharts(from);
    return res.json(results);
  } catch (err) {
    console.error(err.stack);
    res.sendStatus(500);
  }
});

express.get('/api/random', async (req, res) => {
  try {
    const results = await getSongsSample();
    return res.json(results);
  } catch (err) {
    console.error(err.stack);
    res.sendStatus(500);
  }
});

express.get('/api/search', async (req, res) => {
  try {
    const { from, query } = req.query;
    const results = await search(query, from);
    return res.json(results);
  } catch (err) {
    console.error(err.stack);
    res.sendStatus(500);
  }
});

express.post('/api/click', async (req, res) => {
  trackClick({ id: req.query.id }).catch(err => console.error(err.stack));
  res.sendStatus(200);
});

server.listen(port, () => console.log(`Server: Listening to http://localhost:${port}`));