Added Ansh Mishra project

Ansh Mishra/.gitignore

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+.env
+node_modules/

Ansh Mishra/README.md

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+# 🧠 Neuro Mentor
+
+**Neuro Mentor** is a full-stack web application designed to streamline interaction between mentors and their students. It provides authentication, student management, and secure access control—making it ideal for educational or mentoring platforms.
+
+---
+
+## 🚀 Features
+
+- 🔐 **User Authentication**: Secure login and signup using session-based authentication.
+- 📋 **Student Index Page**: View all students with quick access to individual student profiles.
+- ➕ **Add New Student**: Logged-in users can create new student records through a form.
+- ✏️ **Edit/Delete Access Control**: Only the user who added a student can edit or delete their profile.
+- 🖼️ **Cloud-based Image Upload**: Images are uploaded and stored using Cloudinary.
+
+---
+
+## 🛠️ Tech Stack
+
+- **Frontend**: HTML, CSS, JavaScript  
+- **Backend**: Node.js, Express.js  
+- **Database**: MongoDB with Mongoose  
+- **Authentication**: express-session  
+- **Image Hosting**: Cloudinary  
+- **Deployment**: Render  
+- **Architecture**: MVC (Model-View-Controller)
+
+---
+
+
+---
+
+## 🌐 Live Demo
+
+🔗 https://neuro-mentor.onrender.com/listings
+
+---
+
+## 📸 Video demo :
+https://www.linkedin.com/feed/update/urn:li:activity:7356280463709143041/
+
+---
+
+## ⚙️ Setup Instructions
+
+1. **Clone the repository**
+   git clone https://github.com/Ansh3721/NEURO_MENTOR.git
+   cd NEURO_MENTOR
+
+2.**Install dependencies**
+  npm install
+
+3.**Create a .env file in the root folder and add your secrets**
+4.**Run the application**
+  node app.js
+
+## 👨‍💻 Author
+**Ansh Mishra**
+📧 Email: anshmishra3721@gmail.com
+🔗 GitHub: @Ansh3721
+
+
+

Ansh Mishra/app.js

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+if(process.env.NODE_ENV != 'production'){
+    require('dotenv').config();
+}
+
+const express = require("express");
+const app = express();
+const mongoose = require("mongoose");
+const  path = require("path");
+const methodOverride = require("method-override");
+const ejsMate = require("ejs-mate");
+const ExpressError = require("./utils/ExpressError.js");
+const session = require("express-session");
+const MongoStore = require("connect-mongo");
+const flash = require ("connect-flash");
+const passport = require ("passport");
+const LocalStrategy = require("passport-local");
+const User = require("./models/user.js");
+
+
+const listingRouter = require("./routs/listing.js");
+const reviewRouter = require("./routs/review.js");
+const userRouter = require("./routs/user.js");
+
+let MONGO_URL = "mongodb://127.0.0.1:27017/stu_info";
+// let dbUrl = process.env.ATLASDB_URL ;
+
+main()
+    .then( () => {
+        console.log("connected to DB");
+    })
+    .catch( (err) => {
+        console.log(err);
+    });
+
+async function main() {
+    await mongoose.connect(MONGO_URL);
+}
+
+app.set("view engine","ejs");
+app.set("views",path.join(__dirname,"views"));
+app.use(express.urlencoded({extended:true}));
+app.use(methodOverride("_method"));
+app.engine("ejs",ejsMate);
+app.use(express.static(path.join(__dirname,"/public")));
+
+const store = MongoStore.create({
+    mongoUrl : MONGO_URL,
+    crypto:{
+        secret: process.env.SECRET
+    },
+    touchAfter : 24 * 60 ,
+});
+
+store.on("error",()=>{
+    console.log("Error in MONGO SESSION STORE" , err);
+})
+
+const sessionOptions = {
+    store,
+    secret: process.env.SECRET,
+    resave: false , 
+    saveUninitialized: true ,
+    cookie : {
+        expires : Date.now() + 7 * 24 * 60 * 60 * 1000 ,
+        maxAge :  7 * 24 * 60 * 60 * 1000 ,
+        httpOnly : true,
+    },   
+};
+
+
+app.use(session(sessionOptions));
+app.use(flash());
+
+app.use(passport.initialize());
+app.use(passport.session());
+passport.use(new LocalStrategy(User.authenticate()));
+passport.serializeUser(User.serializeUser());
+passport.deserializeUser(User.deserializeUser());
+
+
+app.get("/registeruser", async(req,res) =>{
+    let fakeUser = new User ({
+        email: "ansh@gmail.com",
+        username :"ansh",
+    });
+    let newUser = await User.register(fakeUser ,"ansh283");
+    res.send(newUser);
+})
+
+
+app.use((req,res,next)=>{
+    res.locals.success = req.flash("success");
+    res.locals.error = req.flash("error");
+    res.locals.currUser = req.user ;
+    next();
+});
+
+
+app.get("/", (req,res)=> {
+    res.render("./home.ejs");
+});
+
+
+app.use ("/listings" , listingRouter);
+app.use ("/listings/:id/stu_problem",reviewRouter);
+app.use("/",userRouter);
+
+app.use((req, res, next) => {
+    next(new ExpressError(404, "page not found!"));
+});
+
+app.use((err,req,res,next)=>{
+    let{statusCode = 500 , message = "something went wrong!!"} = err ;
+    res.status(statusCode).render("error.ejs" , {message});
+    // res.status(statusCode).send(message);
+});
+
+
+app.listen(8080, () => {
+    console.log("server is listening on port 8080");
+});     

Ansh Mishra/cloudconfig.js

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+const cloudinary = require('cloudinary').v2;
+const { CloudinaryStorage } = require('multer-storage-cloudinary');
+
+cloudinary.config({
+    cloud_name: process.env.CLOUD_NAME,
+    api_key: process.env.CLOUD_API_KEY,
+    api_secret: process.env.CLOUD_API_SECRET
+})
+
+const storage = new CloudinaryStorage({
+  cloudinary: cloudinary,
+  params: {
+    folder: 'STU_INFO_DEV',
+    allowedFormat: ["png" , "jpeg" , "jpg"],
+  },
+});
+
+module.exports = {
+    cloudinary,
+    storage
+}   ;

Ansh Mishra/controllers/listing.js

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+const  Listing  = require("../models/listing.js");
+
+//index 
+module.exports.index = async (req,res) => {
+    const allListings = await Listing.find();
+    res.render("listings/index.ejs",{allListings})
+};
+
+//new
+module.exports.new = (req,res)=>{
+    res.render("listings/new.ejs");
+};
+
+//create
+module.exports.create =  async (req, res, next) => {  // Then wrapAsync the handler
+    const listing = new Listing(req.body.listing);
+    if(typeof req.file !== "undefined"){
+        let url = req.file.path ;
+        let filename = req.file.filename ;
+        listing.image = {url,filename};
+        await listing.save();
+    }
+    listing.owner = req.user._id;
+    await listing.save();
+    req.flash("success","New student Added!!");
+    res.redirect("/listings");
+    };
+
+
+//show
+module.exports.show = async (req,res) =>{
+    const id = req.params.id;
+    const listing = await Listing.findById(id).populate("stu_problems").populate("owner");
+    if(! listing){
+        req.flash("error","student does not exist!!");
+        return res.redirect("/listings");
+    }
+    res.render("listings/show.ejs",{listing});
+};
+
+//edit
+module.exports.edit = async(req,res)=>{
+    const id = req.params.id;
+    const listing = await Listing.findById(id);
+    res.render("listings/edit.ejs",{listing});
+};
+
+//update
+module.exports.update = async (req,res)=>{
+    console.log(req.body.listing);
+    const {id} = req.params;
+    let listing = await Listing.findByIdAndUpdate(id,{...req.body.listing});
+    if(typeof req.file !== "undefined"){
+        let url = req.file.path ;
+        let filename = req.file.filename ;
+        listing.image = {url,filename};
+        await listing.save();
+    }
+    req.flash("success","student updated!!");
+    res.redirect(`/listings/${id}`);
+};
+
+//delete
+module.exports.delete = async (req,res) =>{
+    const id = req.params.id;
+    await Listing.findByIdAndDelete(id);
+    req.flash("success","student Deleted!!");
+    res.redirect("/listings");
+};

Ansh Mishra/controllers/stu_problem.js

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+const stu_problem = require("../models/stu_problem.js");
+const  Listing  = require("../models/listing.js");
+
+//post
+module.exports.post = async (req, res)=>{
+    let listing =await Listing.findById(req.params.id);
+    let newStu_problem = new stu_problem(req.body.stu_problem);
+    newStu_problem.author = req.user._id;
+    listing.stu_problems.push(newStu_problem);
+    console.log(newStu_problem); 
+    await newStu_problem.save();
+    await listing.save();
+
+    res.redirect(`/listings/${listing._id}`);
+};
+
+
+//delete
+module.exports.delete = async (req, res)=>{
+    let {id , stu_problem_id} = req.params;
+    await Listing.findByIdAndUpdate(id,{$pull : {stu_problems:stu_problem_id}});
+    await stu_problem.findByIdAndDelete(stu_problem_id);
+
+    res.redirect(`/listings/${id}`);
+};

Ansh Mishra/controllers/user.js

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+const User = require("../models/user.js");
+
+//getsingup
+module.exports.getSignUp = (req,res)=>{
+    res.render("users/signup.ejs");
+};
+
+
+//post signup
+module.exports.postSignUp = async (req,res)=>{
+        try {
+            let { username , email , password} = req.body;
+            const newUser = new User ({email,username});
+            let registerUser = await User.register(newUser ,password);
+            // console.log(registerUser);
+            req.login(registerUser,(err)=>{
+                if(err){
+                    return next(err);
+                }
+                req.flash("success","Welcome to NUERO_MENTOR");
+                res.redirect("/listings");
+            });
+        } catch(e){
+            req.flash("error", e.message);
+            res.redirect("/signup");
+        }
+    };
+
+
+//getlogin
+module.exports.getlogin = (req,res)=>{
+    res.render("users/login.ejs")
+};
+
+
+//postlogin
+module.exports.postlogin = async (req,res)=>{
+        req.flash("success","Welcome back to NUERO_MENTOR");
+        let redirectUrl = res.locals.redirectUrl || "/listings";
+        res.redirect(redirectUrl );
+};
+
+//logout
+module.exports.logout = (req,res,next)=>{
+        req.logout((err)=>{
+            if(err){
+                return next(err);
+            }
+            req.flash("success","you are successfully logged out!!");
+            res.redirect("/listings");
+        })
+    };