index.js

import 'dotenv/config';
import { WebSocketServer } from 'ws';
import HomeController from './controllers/homeController.js';

const PORT = process.env.PORT || 5432;

const users = new Set();

const wss = new WebSocketServer(
  {
    port: PORT
  },
  () => console.log(`Started listen on port ${PORT}`)
);

wss.on('connection', (ws) => {
  users.add(ws);
  ws.id = Date.now();
  ws.on('message', async (req) => {
    req = JSON.parse(req);
    switch (req.event) {
      case 'getHomeEntities':
        const getHomeEntitiesData = await HomeController.getEntities();
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'getHomeEntities',
              data: getHomeEntitiesData
            })
          );
        });
        break;
      case 'getHomeBackgroundUrl':
        const homeBackgroundUrl = await HomeController.getHomeBackgroundUrl();
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'getHomeBackgroundUrl',
              data: homeBackgroundUrl
            })
          );
        });
        break;
      case 'createHomeEntity':
        const createdHomeEntity = await HomeController.createEntity(req);
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'createHomeEntity',
              data: createdHomeEntity
            })
          );
        });
        break;
      case 'editHomeEntity':
        const editedHomeEntity = await HomeController.editEntity(req);
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'editHomeEntity',
              data: editedHomeEntity
            })
          );
        });
        break;
      case 'deleteHomeEntity':
        const deletedHomeEntity = await HomeController.deleteEntity(req);
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'deleteHomeEntity',
              data: deletedHomeEntity
            })
          );
        });
        break;
      case 'changeOrderHomeEntity':
        await HomeController.changeOrderEntity(req);
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'changeOrderHomeEntity',
              data: { ...req.body }
            })
          );
        });
        break;
      case 'changeHomeBackgroundUrl':
        await HomeController.changeHomeBackgroundUrl(req);
        wss.clients.forEach((client) => {
          client.send(
            JSON.stringify({
              event: 'changeHomeBackgroundUrl',
              data: { ...req.body }
            })
          );
        });
        break;
    }
  });
});