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server.js
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server.js
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const mongo = require('mongodb').Mongosocket;
// const socket = require('socket.io').listen(4000).sockets;
const io = require('socket.io-client');
var mongoose = require('mongoose');
var path = require('path');
var socket = io('http://localhost:3000', {transports: ['websocket']})
mongoose.connect('mongodb://pete:[email protected]:19802/chatter');
// Connect to mongo
var db = mongoose.connection;
db.on('error', console.error.bind(console, 'connection error:'));
// Connect to mongo
db.once('open', function() {
// if(err){
// throw err;
// }
console.log('MongoDB connected ...');
// Connect to Socket.io
socket.on('connection', function(socket){
let chat = db.collection('chats');
// Create function to send status
sendStatus = function(s){
socket.emit('status', s);
}
// Get chats from mongo collection
chat.find().limit(100).sort({_id:1}).toArray(function(err, res){
if(err){
throw err;
}
// Emit the messages
socket.emit('output', res);
});
// Handle input events
socket.on('input', function(data){
let name = data.name;
let message = data.message;
// Check for name and message
if(name == '' || message == ''){
// Send error status
sendStatus('Please enter a name and message');
} else {
// Insert message
chat.insert({name: name, message: message}, function(){
socket.emit('output', [data]);
// Send status object
sendStatus({
message: 'Message sent',
clear: true
});
});
}
});
// Handle clear
socket.on('clear', function(data){
// Remove all chats from collection
chat.remove({}, function(){
// Emit cleared
socket.emit('cleared');
});
});
});
});