whaticket-community/backend/src/app.js

require("express-async-errors");
require("./database");
const express = require("express");
const path = require("path");
const Youch = require("youch");
const cors = require("cors");
const multer = require("multer");

const wBot = require("./libs/wbot");
const wbotMessageListener = require("./services/wbotMessageListener");
const wbotMonitor = require("./services/wbotMonitor");

const MessagesRoutes = require("./routes/messages");
const ContactsRoutes = require("./routes/contacts");
const AuthRoutes = require("./routes/auth");
const TicketsRoutes = require("./routes/tickets");
const WhatsRoutes = require("./routes/whatsapp");

const app = express();

const fileStorage = multer.diskStorage({
	destination: (req, file, cb) => {
		cb(null, path.resolve(__dirname, "..", "public"));
	},
	filename: (req, file, cb) => {
		cb(null, new Date().getTime() + "-" + file.originalname.replace(/\s/g, ""));
	},
});

app.use(cors());
app.use(express.json());
app.use(multer({ storage: fileStorage }).single("media"));
app.use("/public", express.static(path.join(__dirname, "..", "public")));

app.use("/auth", AuthRoutes);
app.use(ContactsRoutes);
app.use(TicketsRoutes);
app.use(MessagesRoutes);
app.use(WhatsRoutes);

app.use(async (err, req, res, next) => {
	if (process.env.NODE_ENV === "development") {
		const errors = await new Youch(err, req).toJSON();
		console.log(err);
		return res.status(500).json(errors);
	}
	console.log(err);
	return res.status(500).json({ error: "Internal server error" });
});

const server = app.listen(process.env.PORT, () => {
	console.log(`Server started on port: ${process.env.PORT}`);
});

const io = require("./libs/socket").init(server);
io.on("connection", socket => {
	console.log("Client Connected");
	socket.on("joinChatBox", ticketId => {
		console.log("A client joined in a ticket channel");
		socket.join(ticketId);
	});

	socket.on("joinNotification", () => {
		console.log("A client joined notification channel");
		socket.join("notification");
	});

	socket.on("disconnect", () => {
		console.log("Client disconnected");
	});
});

wBot
	.init()
	.then(() => {
		wbotMessageListener();
		wbotMonitor();
	})
	.catch(err => console.log(err));