Files
threetwo/src/server/index.ts

81 lines
2.1 KiB
TypeScript

import express, { Request, Response, Router, Express } from "express";
import bodyParser from "body-parser";
import { createServer } from "http";
import { Server } from "socket.io";
import router from "./route";
const amqp = require("amqplib/callback_api");
// call express
const app: Express = express(); // define our app using express
const httpServer = createServer();
export const io = new Server(httpServer, {});
// configure app to use bodyParser for
// Getting data from body of requests
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
const port: number = Number(process.env.PORT) || 8050; // set our port
// set rabbitMQ host
const rabbitMQHost = process.env.RABBITMQHOST || "localhost";
// Send index.html on root request
app.use(express.static("dist"));
app.use(express.static("public"));
app.get("/", (req: Request, res: Response) => {
console.log("sending index.html");
res.sendFile("/dist/index.html");
});
// REGISTER ROUTES
// all of the routes will be prefixed with /api
const routes: Router[] = Object.values(router);
app.use("/api", routes);
app.listen(port);
io.on("connection", (socket) => {
console.log("Socket connected");
//Whenever someone disconnects this piece of code executed
socket.on("disconnect", () => {
console.log("Socket disconnected");
});
});
amqp.connect(`amqp://${rabbitMQHost}`, (error0, connection) => {
if (error0) {
throw error0;
}
connection.createChannel((error1, channel) => {
if (error1) {
throw error1;
}
const queue = "comicBookCovers";
channel.assertQueue(queue, {
durable: false,
});
console.log(`RabbitMQ: Connected to ${queue} queue.`);
console.log(`RabbitMQ: Waiting for comic book cover data in ${queue}`);
channel.consume(
queue,
(data) => {
//Socket Trigger All Clients
io.sockets.emit("coverExtracted", JSON.parse(data.content.toString()));
},
{
noAck: true,
},
);
});
});
// socket server
httpServer.listen(8051);
console.log(`Socket server is listening on 8051`);
console.log(`Server is listening on ${port}`);