77 lines
2 KiB
JavaScript
77 lines
2 KiB
JavaScript
const express = require("express")
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const app = express()
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const server = require("http").Server(app)
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const io = require("socket.io")(server, {
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cors: {
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origin: [
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"http://127.0.0.1:3000",
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"http://192.168.1.226:3000",
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"http://192.168.1.226:3000",
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],
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},
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})
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app.set("views", "./views")
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app.set("view engine", "ejs")
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app.use(express.static("public"))
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app.use(express.urlencoded({ extended: true }))
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const getUserRooms = (socket) =>
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Object.entries(rooms).reduce((names, [name, room]) => {
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if (room.users[socket.id] != null) names.push(name)
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return names
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}, [])
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const rooms = {}
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app.get("/", (_, res) => {
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res.render("index", { rooms: rooms, roomName: null })
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})
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app.post("/", (req, res) => {
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if (rooms[req.body.room] != null) {
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return res.redirect("/")
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}
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rooms[req.body.room] = { users: {} }
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res.redirect(req.body.room)
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io.emit("room-created", req.body.room)
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})
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app.get("/:room", (req, res) => {
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if (rooms[req.params.room] == null) {
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return res.redirect("/")
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}
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res.render("index", { rooms: rooms, roomName: req.params.room })
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})
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server.listen(3000)
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io.on("connection", (socket) => {
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socket.on("new-user", (room, name) => {
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socket.join(room)
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rooms[room].users[socket.id] = name
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socket.broadcast.to(room).emit("user-connected", name)
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})
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socket.on("send-chat-message", (room, message) => {
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socket.broadcast
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.to(room)
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.emit("chat-message", message, rooms[room].users[socket.id])
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})
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socket.on("name-change", (room, newName) => {
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socket.broadcast
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.to(room)
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.emit("name-changed", rooms[room].users[socket.id], newName)
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rooms[room].users[socket.id] = newName
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})
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socket.on("disconnect", () =>
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getUserRooms(socket).forEach((room) => {
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socket.broadcast
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.to(room)
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.emit("user-disconnected", rooms[room].users[socket.id])
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delete rooms[room].users[socket.id]
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})
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)
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})
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