forked from snxraven/LinkUp-P2P-Chat
testing EventEmitter
This commit is contained in:
Raven Scott
parent
20aa777270
commit
9e6c803347
173
app.js
173
app.js
@ -1,3 +1,4 @@
|
||||
import { EventEmitter } from 'events';
|
||||
import Hyperswarm from 'hyperswarm';
|
||||
import crypto from 'hypercore-crypto';
|
||||
import b4a from 'b4a';
|
||||
@ -12,16 +13,20 @@ const drive = new Hyperdrive(store);
|
||||
|
||||
await drive.ready();
|
||||
|
||||
let swarm;
|
||||
let userName = 'Anonymous';
|
||||
let userAvatar = '';
|
||||
let registeredUsers = JSON.parse(localStorage.getItem('registeredUsers')) || {};
|
||||
let peerCount = 0;
|
||||
let currentRoom = null;
|
||||
class ChatHandler extends EventEmitter {
|
||||
constructor() {
|
||||
super();
|
||||
this.userName = 'Anonymous';
|
||||
this.userAvatar = '';
|
||||
this.registeredUsers = JSON.parse(localStorage.getItem('registeredUsers')) || {};
|
||||
this.peerCount = 0;
|
||||
this.currentRoom = null;
|
||||
this.swarm = new Hyperswarm();
|
||||
|
||||
async function initialize() {
|
||||
swarm = new Hyperswarm();
|
||||
this.initialize();
|
||||
}
|
||||
|
||||
async initialize() {
|
||||
const servePort = 1337;
|
||||
const serve = new ServeDrive({ port: servePort, get: ({ key, filename, version }) => drive });
|
||||
await serve.ready();
|
||||
@ -36,7 +41,7 @@ async function initialize() {
|
||||
const removeRoomBtn = document.querySelector('#remove-room-btn');
|
||||
|
||||
if (registerForm) {
|
||||
registerForm.addEventListener('submit', registerUser);
|
||||
registerForm.addEventListener('submit', (e) => this.registerUser(e));
|
||||
}
|
||||
if (selectAvatarButton) {
|
||||
selectAvatarButton.addEventListener('click', () => {
|
||||
@ -44,19 +49,19 @@ async function initialize() {
|
||||
});
|
||||
}
|
||||
if (createChatRoomButton) {
|
||||
createChatRoomButton.addEventListener('click', createChatRoom);
|
||||
createChatRoomButton.addEventListener('click', () => this.createChatRoom());
|
||||
}
|
||||
if (joinChatRoomButton) {
|
||||
joinChatRoomButton.addEventListener('click', joinChatRoom);
|
||||
joinChatRoomButton.addEventListener('click', (e) => this.joinChatRoom(e));
|
||||
}
|
||||
if (messageForm) {
|
||||
messageForm.addEventListener('submit', sendMessage);
|
||||
messageForm.addEventListener('submit', (e) => this.sendMessage(e));
|
||||
}
|
||||
if (toggleSetupBtn) {
|
||||
toggleSetupBtn.addEventListener('click', toggleSetupView);
|
||||
toggleSetupBtn.addEventListener('click', () => this.toggleSetupView());
|
||||
}
|
||||
if (removeRoomBtn) {
|
||||
removeRoomBtn.addEventListener('click', leaveRoom);
|
||||
removeRoomBtn.addEventListener('click', () => this.leaveRoom());
|
||||
}
|
||||
|
||||
const registerDiv = document.querySelector('#register');
|
||||
@ -64,52 +69,43 @@ async function initialize() {
|
||||
registerDiv.classList.remove('hidden');
|
||||
}
|
||||
|
||||
swarm.on('connection', async (connection, info) => {
|
||||
peerCount++;
|
||||
updatePeerCount();
|
||||
this.swarm.on('connection', async (connection, info) => {
|
||||
this.peerCount++;
|
||||
this.updatePeerCount();
|
||||
|
||||
const iconBuffer = await drive.get(`/icons/${userName}.png`);
|
||||
const iconBuffer = await drive.get(`/icons/${this.userName}.png`);
|
||||
if (iconBuffer) {
|
||||
const iconMessage = JSON.stringify({
|
||||
type: 'icon',
|
||||
username: userName,
|
||||
username: this.userName,
|
||||
avatar: iconBuffer.toString('base64'),
|
||||
});
|
||||
connection.write(iconMessage);
|
||||
}
|
||||
|
||||
connection.on('data', async (data) => {
|
||||
const messageObj = JSON.parse(data.toString());
|
||||
if (messageObj.type === 'icon') {
|
||||
const username = messageObj.username;
|
||||
const avatarBuffer = Buffer.from(messageObj.avatar, 'base64');
|
||||
await drive.put(`/icons/${username}.png`, avatarBuffer);
|
||||
updateIcon(username, avatarBuffer);
|
||||
} else {
|
||||
onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar);
|
||||
}
|
||||
});
|
||||
|
||||
connection.on('data', (data) => this.emit('onMessage', data, connection));
|
||||
connection.on('close', () => {
|
||||
peerCount--;
|
||||
updatePeerCount();
|
||||
this.peerCount--;
|
||||
this.updatePeerCount();
|
||||
});
|
||||
});
|
||||
|
||||
swarm.on('error', (err) => {
|
||||
this.swarm.on('error', (err) => {
|
||||
console.error('Swarm error:', err);
|
||||
});
|
||||
|
||||
swarm.on('close', () => {
|
||||
this.swarm.on('close', () => {
|
||||
console.log('Swarm closed');
|
||||
});
|
||||
|
||||
this.on('onMessage', async (data, connection) => this.handleMessage(data, connection));
|
||||
}
|
||||
|
||||
function registerUser(e) {
|
||||
async registerUser(e) {
|
||||
e.preventDefault();
|
||||
const regUsername = document.querySelector('#reg-username').value;
|
||||
|
||||
if (registeredUsers[regUsername]) {
|
||||
if (this.registeredUsers[regUsername]) {
|
||||
alert('Username already taken. Please choose another.');
|
||||
return;
|
||||
}
|
||||
@ -120,18 +116,18 @@ function registerUser(e) {
|
||||
reader.onload = (event) => {
|
||||
const buffer = new Uint8Array(event.target.result);
|
||||
drive.put(`/icons/${regUsername}.png`, buffer);
|
||||
userAvatar = URL.createObjectURL(new Blob([buffer]));
|
||||
registeredUsers[regUsername] = userAvatar;
|
||||
localStorage.setItem('registeredUsers', JSON.stringify(registeredUsers));
|
||||
continueRegistration(regUsername);
|
||||
this.userAvatar = URL.createObjectURL(new Blob([buffer]));
|
||||
this.registeredUsers[regUsername] = this.userAvatar;
|
||||
localStorage.setItem('registeredUsers', JSON.stringify(this.registeredUsers));
|
||||
this.continueRegistration(regUsername);
|
||||
};
|
||||
reader.readAsArrayBuffer(avatarFile);
|
||||
} else {
|
||||
continueRegistration(regUsername);
|
||||
this.continueRegistration(regUsername);
|
||||
}
|
||||
}
|
||||
|
||||
async function continueRegistration(regUsername) {
|
||||
async continueRegistration(regUsername) {
|
||||
const loadingDiv = document.querySelector('#loading');
|
||||
const setupDiv = document.querySelector('#setup');
|
||||
|
||||
@ -140,39 +136,39 @@ async function continueRegistration(regUsername) {
|
||||
return;
|
||||
}
|
||||
|
||||
userName = regUsername;
|
||||
this.userName = regUsername;
|
||||
setupDiv.classList.remove('hidden');
|
||||
document.querySelector('#register').classList.add('hidden');
|
||||
loadingDiv.classList.add('hidden');
|
||||
|
||||
const randomTopic = crypto.randomBytes(32);
|
||||
document.querySelector('#chat-room-topic').innerText = truncateHash(b4a.toString(randomTopic, 'hex'));
|
||||
document.querySelector('#chat-room-topic').innerText = this.truncateHash(b4a.toString(randomTopic, 'hex'));
|
||||
}
|
||||
|
||||
async function createChatRoom() {
|
||||
async createChatRoom() {
|
||||
const topicBuffer = crypto.randomBytes(32);
|
||||
const topic = b4a.toString(topicBuffer, 'hex');
|
||||
addRoomToList(topic);
|
||||
joinSwarm(topicBuffer);
|
||||
this.addRoomToList(topic);
|
||||
this.joinSwarm(topicBuffer);
|
||||
}
|
||||
|
||||
async function joinChatRoom(e) {
|
||||
async joinChatRoom(e) {
|
||||
e.preventDefault();
|
||||
const topicStr = document.querySelector('#join-chat-room-topic').value;
|
||||
const topicBuffer = b4a.from(topicStr, 'hex');
|
||||
addRoomToList(topicStr);
|
||||
joinSwarm(topicBuffer);
|
||||
this.addRoomToList(topicStr);
|
||||
this.joinSwarm(topicBuffer);
|
||||
}
|
||||
|
||||
async function joinSwarm(topicBuffer) {
|
||||
if (currentRoom) {
|
||||
currentRoom.destroy();
|
||||
async joinSwarm(topicBuffer) {
|
||||
if (this.currentRoom) {
|
||||
this.currentRoom.destroy();
|
||||
}
|
||||
|
||||
document.querySelector('#setup').classList.add('hidden');
|
||||
document.querySelector('#loading').classList.remove('hidden');
|
||||
|
||||
const discovery = swarm.join(topicBuffer, { client: true, server: true });
|
||||
const discovery = this.swarm.join(topicBuffer, { client: true, server: true });
|
||||
await discovery.flushed();
|
||||
|
||||
const topic = b4a.toString(topicBuffer, 'hex');
|
||||
@ -180,65 +176,77 @@ async function joinSwarm(topicBuffer) {
|
||||
document.querySelector('#loading').classList.add('hidden');
|
||||
document.querySelector('#chat').classList.remove('hidden');
|
||||
|
||||
currentRoom = discovery;
|
||||
clearMessages();
|
||||
this.currentRoom = discovery;
|
||||
this.clearMessages();
|
||||
}
|
||||
|
||||
function addRoomToList(topic) {
|
||||
addRoomToList(topic) {
|
||||
const roomList = document.querySelector('#room-list');
|
||||
const roomItem = document.createElement('li');
|
||||
roomItem.textContent = truncateHash(topic);
|
||||
roomItem.textContent = this.truncateHash(topic);
|
||||
roomItem.dataset.topic = topic;
|
||||
roomItem.addEventListener('click', () => switchRoom(topic));
|
||||
roomItem.addEventListener('click', () => this.switchRoom(topic));
|
||||
roomList.appendChild(roomItem);
|
||||
}
|
||||
|
||||
function switchRoom(topic) {
|
||||
switchRoom(topic) {
|
||||
const topicBuffer = b4a.from(topic, 'hex');
|
||||
joinSwarm(topicBuffer);
|
||||
this.joinSwarm(topicBuffer);
|
||||
}
|
||||
|
||||
function leaveRoom() {
|
||||
if (currentRoom) {
|
||||
const topic = b4a.toString(currentRoom.topic, 'hex');
|
||||
leaveRoom() {
|
||||
if (this.currentRoom) {
|
||||
const topic = b4a.toString(this.currentRoom.topic, 'hex');
|
||||
const roomItem = document.querySelector(`li[data-topic="${topic}"]`);
|
||||
if (roomItem) {
|
||||
roomItem.remove();
|
||||
}
|
||||
currentRoom.destroy();
|
||||
currentRoom = null;
|
||||
this.currentRoom.destroy();
|
||||
this.currentRoom = null;
|
||||
}
|
||||
document.querySelector('#chat').classList.add('hidden');
|
||||
document.querySelector('#setup').classList.remove('hidden');
|
||||
}
|
||||
|
||||
function sendMessage(e) {
|
||||
sendMessage(e) {
|
||||
e.preventDefault();
|
||||
const message = document.querySelector('#message').value;
|
||||
document.querySelector('#message').value = '';
|
||||
|
||||
onMessageAdded(userName, message, userAvatar);
|
||||
this.onMessageAdded(this.userName, message, this.userAvatar);
|
||||
|
||||
const messageObj = JSON.stringify({
|
||||
type: 'message',
|
||||
name: userName,
|
||||
name: this.userName,
|
||||
message,
|
||||
avatar: userAvatar,
|
||||
avatar: this.userAvatar,
|
||||
timestamp: Date.now(),
|
||||
});
|
||||
|
||||
const peers = [...swarm.connections];
|
||||
const peers = [...this.swarm.connections];
|
||||
for (const peer of peers) {
|
||||
peer.write(messageObj);
|
||||
}
|
||||
}
|
||||
|
||||
function scrollToBottom() {
|
||||
async handleMessage(data, connection) {
|
||||
const messageObj = JSON.parse(data.toString());
|
||||
if (messageObj.type === 'icon') {
|
||||
const username = messageObj.username;
|
||||
const avatarBuffer = Buffer.from(messageObj.avatar, 'base64');
|
||||
await drive.put(`/icons/${username}.png`, avatarBuffer);
|
||||
this.updateIcon(username, avatarBuffer);
|
||||
} else {
|
||||
this.onMessageAdded(messageObj.name, messageObj.message, messageObj.avatar);
|
||||
}
|
||||
}
|
||||
|
||||
scrollToBottom() {
|
||||
var container = document.getElementById("messages-container");
|
||||
container.scrollTop = container.scrollHeight;
|
||||
}
|
||||
|
||||
function onMessageAdded(from, message, avatar) {
|
||||
onMessageAdded(from, message, avatar) {
|
||||
const $div = document.createElement('div');
|
||||
$div.classList.add('message');
|
||||
|
||||
@ -265,30 +273,35 @@ function onMessageAdded(from, message, avatar) {
|
||||
$div.appendChild($content);
|
||||
|
||||
document.querySelector('#messages').appendChild($div);
|
||||
scrollToBottom();
|
||||
this.scrollToBottom();
|
||||
}
|
||||
|
||||
function truncateHash(hash) {
|
||||
truncateHash(hash) {
|
||||
return `${hash.slice(0, 6)}...${hash.slice(-6)}`;
|
||||
}
|
||||
|
||||
async function updateIcon(username, avatarBuffer) {
|
||||
async updateIcon(username, avatarBuffer) {
|
||||
const userIcon = document.querySelector(`img[src*="${username}.png"]`);
|
||||
if (userIcon) {
|
||||
userIcon.src = URL.createObjectURL(new Blob([avatarBuffer]));
|
||||
}
|
||||
}
|
||||
|
||||
function clearMessages() {
|
||||
clearMessages() {
|
||||
const messagesContainer = document.querySelector('#messages');
|
||||
while (messagesContainer.firstChild) {
|
||||
messagesContainer.removeChild(messagesContainer.firstChild);
|
||||
}
|
||||
}
|
||||
|
||||
function toggleSetupView() {
|
||||
toggleSetupView() {
|
||||
const setupDiv = document.querySelector('#setup');
|
||||
setupDiv.classList.toggle('hidden');
|
||||
}
|
||||
|
||||
initialize();
|
||||
updatePeerCount() {
|
||||
// Implement this method based on your needs to update the peer count in the UI
|
||||
}
|
||||
}
|
||||
|
||||
new ChatHandler();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user