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index.js
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index.js
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const express = require('express');
const morgan= require('morgan');
const mongoose = require('mongoose');
const cors= require('cors');
const cookieSession= require('cookie-session');
var bodyParser=require('body-parser');
const stockRouter= require('./routes/stockRoutes')
const userRouter=require('./routes/users')
const playerStocksRouter=require('./routes/playerStocksRouter')
const homeRouter=require('./routes/homeRoutes')
const timerRouter= require('./routes/timerRoutes')
const errorHandler = require('./errorHandles/errorHandlers');
const passportSetup=require('./authenticate');
const passport=require('passport');
let clients=[]
require('dotenv').config();
const port = process.env.PORT || 8000;
mongoose.connect(process.env.DATABASE_URL, {useNewUrlParser:true, useUnifiedTopology:true, useFindAndModify:false})
.then((db)=>{
console.log("connected to db")
})
. catch((err)=>{
console.log(err)
})
const app=express();
app.use(morgan('common'));
app.set('view engine','ejs');
app.use(express.static(__dirname + "/public"));
app.use(cookieSession({
maxAge:5*24*60*60*1000,
keys:[process.env.cookieKey]
}))
app.use(passport.initialize())
app.use(passport.session())
app.use(cors({
origin: process.env.CORS_ORIGIN,
}));
// app.use(express.json());
// app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
let id=0;
const eventsHandler=(req,res,next)=>{
id+=1;
// console.log("listener added",id);
const headers={
'Content-Type':'text/event-stream',
'Connection':'keep-alive',
'Cache-Control':'no-cache'
};
res.writeHead(200,headers);
res.write('\n');
const newClient={
id,
res
};
clients.push(newClient);
// const newClient={
// id,
// res
// }
// // clients[id]=res;
// clients.push(newClient)
// console.log("new client")
// var interval=setInterval(()=>{
// Stocks.find({})
// .then((stocks)=>{
// // console.log(stocks)
// res.write(`data:${JSON.stringify(stocks)}\n\n`)
// })
// .catch((err)=>next(err))
// },1000)
req.on('close',()=>{
console.log("closed connection");
// clearInterval(interval)
// res.end()
clients=clients.filter(c=>c.id!==id);
});
}
module.exports.sendEventsToAll = function sendEventsToAll(updateStocks){
console.log("updated:",updateStocks)
clients.forEach(c=>{
console.log("updating frontend client ",c.id);
return c.res.write(`data: ${JSON.stringify(updateStocks)}\n\n`)
})
}
app.use('/api/stocks',stockRouter );
app.use('/auth',userRouter);
app.use('/playerStocks',playerStocksRouter)
app.use('/',homeRouter)
app.use('/timer',timerRouter)
app.get('/events',eventsHandler);
app.get('/status', (req, res) => res.json({clients:clients.length}));
app.use(errorHandler.notFound);
app.use(errorHandler.errorHandler);
app.listen(port, ()=>{
console.log(`server running at port ${process.env.PORT}`)
})