dappcord/server.js at main · emdevelopa/dappcord · GitHub

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const express = require("express");
const app = express();

const PORT = process.env.PORT || 3030;
const server = app.listen(PORT, () => console.log(`Listening on ${PORT}\n`));

const messages = [
  {
    channel: "1",
    account: "0xcA8Fa8f0b631EcdB18Cda619C4Fc9d197c8aFfCa",
    text: "Welcome to Dappcord!",
  },
  {
    channel: "2",
    account: "0xcA8Fa8f0b631EcdB18Cda619C4Fc9d197c8aFfCa",
    text: "Welcome to Dappcord everyone! My name is John and I've been a blockchain developer for 2+ years.",
  },
  {
    channel: "1",
    account: "0x1b3cB81E51011b549d78bf720b0d924ac763A7C2",
    text: "Hello everyone!",
  },
  {
    channel: "2",
    account: "0x1b3cB81E51011b549d78bf720b0d924ac763A7C2",
    text: "Hey there! My name is Ann and I'm an aspiring blockchain developer!",
  },
  {
    channel: "1",
    account: "0x701C484bfb40ac628aFA487b6082f084B14AF0BD",
    text: "Hey everyone!",
  },
  {
    channel: "1",
    account: "0x189B9cBd4AfF470aF2C0102f365FC1823d857965",
    text: "Hey there, great to be here!",
  },
  {
    channel: "1",
    account: "0x176F3DAb24a159341c0509bB36B833E7fdd0a132",
    text: "Hope everyone is having a good day ;)",
  },
  {
    channel: "1",
    account: "0x828103B231B39ffFCe028562412B3c04A4640e64",
    text: "Hello!",
  },
  {
    channel: "1",
    account: "0x176F3DAb24a159341c0509bB36B833E7fdd0a132",
    text: "Does anyone have any tips on becoming a blockchain developer?",
  },
];

const { Server } = require("socket.io");
const io = new Server(server, {
  cors: {
    origin: "http://localhost:3000",
  },
});

io.on("connection", (socket) => {
  console.log("a user connected");

  socket.on("get messages", () => {
    io.emit("get messages", messages);
  });

  socket.on("new message", (msg) => {
    messages.push(msg);
    io.emit("new message", messages);
  });
});