app.js

require("custom-env").env(process.env.NODE_ENV, "./config");

const express = require("express");
const mongoose = require("mongoose");
const path = require('path');
const session = require('express-session');
const User = require('./models/User'); 

const app = express();

app.use(session({
    secret: process.env.SESSION_SECRET,    
    saveUninitialized: false,
    resave: false
}));

app.use(async (req, res, next) => {
    if (req.session.uid) { 
        try {
            const user = await User.findById(req.session.uid);
            req.user = user;
        } catch (error) {
            req.user = null;
        }
    } else {
        req.user = null;
    }
    next();
});

const userRoutes = require('./routes/user');
const postRoutes = require('./routes/Post');
const commentRoutes = require('./routes/Comment');
const chatRoutes = require('./routes/Chat'); 
const messageRoutes = require('./routes/message');
const loginRoutes = require('./routes/login');
const feedRoutes = require("./routes/Feed");
const mapRoutes = require('./routes/map');
const chartRoutes = require('./routes/chart');

mongoose.connect(process.env.CONNECTION_STRING, {
});

app.use(express.json());
app.use(express.urlencoded({ extended: true }));


app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'));
app.use(express.static('public')); 
app.use('/map', mapRoutes);
app.use('/users', userRoutes);
app.use('/posts', postRoutes);
app.use('/comments', commentRoutes);
app.use('/chats', chatRoutes); 
app.use('/messages', messageRoutes);
app.use('/',loginRoutes)
app.use("/feed", feedRoutes);
app.use('/chart', chartRoutes);

const port = process.env.PORT || 3000;
app.listen(port, () => {
  console.log(`Server running on port ${port}`);
});