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const http = require('http');
require('dotenv').config()
const redis = require('redis');
const mongoose = require('mongoose');
const express = require('express');
const bodyParser = require('body-parser');
const socketio = require('socket.io');
const api_key =require('./config/config');
const authRoutes = require('./routes/auth');
const teacherRoutes=require('./routes/teacher')
const homeRoutes= require('./routes/homepage')
const courseRoutes=require('./routes/coursepage')
const stripeRoute=require('./routes/stripe')
// const {addRoom,getUser} = require('./chat');
const MONGODB_URI =api_key.mongo;
const app = express();
const server = http.createServer(app);
const io = socketio(server);
const client = redis.createClient({
host: api_key.redisHost,
port: api_key.redisPort,
password: api_key.redisPassword
});
io.on('connect',(socket)=>{
socket.on('join',({UserName,room,userId},callback)=>{
console.log(UserName,room,userId);
let newUser=false;
let users=[{id:[],names:[]}];
if(client.EXISTS(room)){
client.lrange(room,0,-1,function(err,result){
if(err){
callback(err);
}
else{
console.log("lrange result join=",result);
const History=[];
result.forEach(user=>{
user= JSON.parse(user)
History.push(user)
if(!users[0].id.includes(user.userId) ){
users[0].id.push(user.userId);
users[0].names.push(user.UserName);
console.log("user added to list")
}
})
console.log(users)
if(!users[0].id.includes(userId)){
newUser=true;
console.log("userUser")
users[0].id.push(userId);
users[0].names.push(UserName);
}
socket.emit('history',{History:History,users:users[0].names});
socket.join(room)
io.to(room).emit('admin',
{ users:users[0].names,
UserName: 'admin',
newUser:newUser,
Message:newUser ? `Welcome to the class ${UserName}!`:`Welcome back to the class ${UserName}!`
});
socket.broadcast.to(room).emit('admin', { users:users,UserName: `${UserName}`, users:users[0].names, newUser:newUser,Message: `${UserName} has joined!` });
newUser=false;
}
});
}
else {
client.hset( room, null, function(err,result){
if(err)
callback(err);
else{
console.log("setting redis hset::",result)
}
});
}
callback()
})
socket.on('sendMessage',({UserName,userId,room,message},callback)=>{
const user = {"UserName":UserName,"Message":message,"userId":userId}
if(client.EXISTS(room)){
client.rpush(room,JSON.stringify(user),function(err,result){
if(err)
callback(err)
else{
console.log("rpush::",result)
}
});
} else{
client.hset( room,JSON.stringify(user), function(err,result){
if(err)
callback(err)
else{
console.log("hset::",result)
}
});
}
client.lrange(room,0,-1,function(err,result){
console.log("redis result=",result)
if(err){
console.log(err)
}
})
console.log(`${room} message sent by ${UserName} is::`,message);
io.to(room).emit('Received_message', { UserName: UserName, Message: message });
callback()
})
socket.on('disconnect',()=>{
console.log('disconnected')
})
})
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/images',express.static(path.join(__dirname, 'images')));
app.use('/videos',express.static(path.join(__dirname, 'videos')));
app.use('/Files',express.static(path.join(__dirname,'Files')));
app.use((req, res, next) =>{ // To remove CROS (cross-resource-origin-platform) problem
res.setHeader('Access-Control-Allow-Origin',"*"); // to allow all client we use *
res.setHeader('Access-Control-Allow-Methods',"OPTIONS,GET,POST,PUT,PATCH,DELETE"); //these are the allowed methods
res.setHeader('Access-Control-Allow-Headers', "*"); // allowed headers (Auth for extra data related to authoriaztiom)
next();
})
app.use(authRoutes);
app.use(teacherRoutes);
app.use(homeRoutes);
app.use(courseRoutes);
app.use(stripeRoute);
Iif (process.env.NODE_ENV !== 'test') {
mongoose
.connect(MONGODB_URI,{ useUnifiedTopology: true,useNewUrlParser: true })
.then(()=> {
server.listen(8080);
console.log("Server Started!")
})
.catch(err => {
console.log(err);
});
}
module.exports = app; |