⚡ CSEdge — Full Stack Learning & Placement Platform

Learn Smart. Prepare Right. Succeed Big.

A production-grade Learning Management System built for CS students preparing for placements. Combines video courses, multi-category practice tests, company-wise interview prep, and separate educator/student dashboards — all in one platform.

🚀 Live Demo • 📸 Screenshots • ⚙️ Setup • 🏗️ Architecture

📸 Screenshots

Home Page	Course Player

Practice Tests	Company Interview Prep

Educator Dashboard	Student Enrollments

✨ Features

🎓 For Students

Video Courses — Watch YouTube-embedded lectures directly inside the platform (no redirect)
Chapter-wise Progress — Track completed lectures with a visual progress bar
Free & Paid Courses — Free courses enroll instantly; paid courses go through Stripe Checkout
Practice Tests — 4 categories × 50 levels × 15 questions each
Company Interview Prep — 70+ companies grouped by sector (MAANG, Fintech, Startups, etc.)
My Enrollments — All enrolled courses in one place with resume support
Ratings — Rate courses with a star rating system

👩‍🏫 For Educators

Course Builder — Add courses with chapters, lectures, thumbnails, and pricing
Student Analytics — See total enrollments, earnings, and student list
Publish / Unpublish — Control course visibility with a toggle
Manage Courses — Full CRUD (create, edit, delete) from the admin panel

🛡️ Platform

Clerk Authentication — Social login, JWT-secured API, auto user creation
Stripe Payments — Checkout sessions, webhook-verified enrollment
Cloudinary — Image & thumbnail uploads
Role-based Access — Student / Educator / Admin roles
Responsive Design — Works on mobile, tablet, and desktop

🏗️ Architecture

csedge/
├── client/                        # React Frontend (Vite)
│   ├── src/
│   │   ├── pages/
│   │   │   ├── student/           # Home, CourseList, CourseDetails, Player, MyEnrollments
│   │   │   ├── educator/          # Dashboard, MyCourses, AddCourse, StudentEnrolled
│   │   │   ├── AptitudeTest.jsx   # 50-level aptitude tests
│   │   │   ├── CodingTest.jsx     # DSA coding challenges
│   │   │   ├── DevTest.jsx        # Full-stack dev questions
│   │   │   └── CompanyInterview.jsx # Company-wise prep (6 categories, 70+ companies)
│   │   ├── components/
│   │   │   ├── student/           # Navbar, CourseCard, CoursesSection, Hero, Footer
│   │   │   └── educator/          # Sidebar, Navbar, Dashboard widgets
│   │   ├── context/
│   │   │   └── AppContext.jsx     # Global state — courses, user, auth helpers
│   │   ├── admin/
│   │   │   └── AdminCourses.jsx   # Full CRUD course management panel
│   │   └── utils/
│   │       └── axios.js           # Axios instance with base URL
│
└── server/                        # Node.js + Express Backend
    ├── models/
    │   ├── user.js                # User schema (enrolledCourses, role)
    │   ├── course.js              # Course → chapters → lectures (nested)
    │   ├── Purchase.js            # Stripe purchase records
    │   ├── CourseProgress.js      # Per-user lecture completion tracking
    │   ├── TestAttempt.js         # Test session records
    │   ├── TestProgress.js        # Level unlock tracking
    │   └── ExternalProblem.js     # User-saved problem links
    ├── controllers/
    │   ├── userController.js      # Auth, enrollment, progress, ratings
    │   ├── courseController.js    # Course CRUD, publish toggle
    │   ├── educatorController.js  # Educator stats and management
    │   ├── testController.js      # Questions, attempts, scoring
    │   ├── adminController.js     # Admin-level overrides
    │   └── webhooks.js            # Stripe webhook handler
    ├── routes/
    │   ├── app-user-routes.js
    │   ├── app-course-routes.js
    │   ├── app-educator-routes.js
    │   ├── app-test-routes.js
    │   ├── app-admin-routes.js
    │   └── app-company-articles-routes.js
    ├── middleware/
    │   └── authMiddleware.js      # Clerk requireAuth + role protection
    └── server.js                  # Express app entry point

🧰 Tech Stack

Layer	Technology	Purpose
Frontend	React 18 + Vite	UI framework with fast HMR
Styling	Tailwind CSS	Utility-first responsive design
Routing	React Router v6	Client-side navigation
Auth	Clerk	JWT auth, OAuth, session management
State	React Context API	Global course/user state
Backend	Node.js + Express	REST API server
Database	MongoDB + Mongoose	Document storage for nested data
Payments	Stripe	Checkout sessions + webhooks
Media	Cloudinary	Thumbnail/image hosting
Video	YouTube Embed API	In-platform video playback
Icons	Lucide React	Consistent icon library
Notifications	React Toastify	User feedback toasts
Deployment	Vercel (client) + Railway/Render (server)	Cloud hosting

🗄️ Database Schema (Key Models)

Course

{
  courseTitle: String,
  courseDescription: String,     // Rich HTML
  courseThumbnail: String,       // Cloudinary URL
  coursePrice: Number,
  discount: Number,              // 0–100 percent
  isPublished: Boolean,
  educator: String,              // Clerk userId
  enrolledStudents: [String],
  courseRatings: [{ userId, rating }],
  courseContent: [{              // Chapters
    chapterId, chapterTitle, chapterOrder,
    chapterContent: [{           // Lectures
      lectureId, lectureTitle, lectureUrl,   // YouTube embed URL
      lectureDuration, isPreviewFree, lectureOrder
    }]
  }]
}

User

{
  _id: String,                   // Clerk userId
  name, email, imageUrl,
  enrolledCourses: [ObjectId],   // ref: Course
  role: String                   // student | educator | admin
}

Purchase

{
  courseId, userId,
  amount: Number,                // 0 for free courses
  status: String,                // pending | completed | failed
  stripeSessionId: String
}

⚙️ Getting Started

Prerequisites

Node.js 18+
MongoDB (local or Atlas)
Clerk account → clerk.com
Stripe account → stripe.com
Cloudinary account → cloudinary.com

1. Clone the repository

git clone https://github.com/YOUR_USERNAME/csedge.git
cd csedge

2. Setup the Server

cd server
npm install

Create server/.env:

MONGODB_URI=mongodb+srv://your-cluster-url
CLERK_SECRET_KEY=sk_test_xxxxxxxxxxxx
STRIPE_SECRET_KEY=sk_test_xxxxxxxxxxxx
STRIPE_WEBHOOK_SECRET=whsec_xxxxxxxxxxxx
CLOUDINARY_CLOUD_NAME=your-cloud-name
CLOUDINARY_API_KEY=your-api-key
CLOUDINARY_API_SECRET=your-api-secret
CURRENCY=inr
PORT=5000

npm run dev

3. Setup the Client

cd ../client
npm install

Create client/.env.local:

VITE_CLERK_PUBLISHABLE_KEY=pk_test_xxxxxxxxxxxx
VITE_BACKEND_URL=http://localhost:5000

npm run dev

4. Seed the Courses (optional)

cd server
node scripts/seedCourses.js

This seeds 4 real YouTube playlist courses:

⚡ Namaste JavaScript (Akshay Saini)
⚛️ Chai aur React (Hitesh Choudhary)
💻 DSA with C++ (Apna College)
🌐 Full Stack Web Dev Bootcamp

5. Configure Stripe Webhook (local testing)

# Install Stripe CLI
stripe listen --forward-to localhost:5000/stripe

🔌 API Reference

User Routes — `/api/user`

Method	Endpoint	Description
GET	`/data`	Get current user profile
GET	`/enrolled-courses`	Get all enrolled courses
POST	`/purchase`	Create Stripe checkout session
POST	`/enroll-free`	Directly enroll in a free course
POST	`/update-course-progress`	Mark lecture as completed
POST	`/get-course-progress`	Get progress for a course
POST	`/add-rating`	Rate a course (1–5 stars)
GET	`/dashboard`	Get test stats and course counts

Course Routes — `/api/course`

Method	Endpoint	Description
GET	`/all`	Get all published courses
GET	`/:id`	Get single course with content

Educator Routes — `/api/educator`

Method	Endpoint	Description
GET	`/courses`	Get educator's own courses
POST	`/add-course`	Create new course
PUT	`/update-course/:id`	Update course details
DELETE	`/delete-course/:id`	Delete a course
GET	`/dashboard`	Get earnings and enrollments

Test Routes — `/api/test`

Method	Endpoint	Description
GET	`/questions`	Get questions by type and level
POST	`/attempt`	Submit test answers
GET	`/progress/:type`	Get unlocked levels

🧪 Practice Test System

4 Categories × 50 Levels × 15 Questions = 3,000+ Questions

┌─────────────────┬──────────────────────────────────────────┐
│ Category        │ Coverage                                 │
├─────────────────┼──────────────────────────────────────────┤
│ Aptitude        │ Quant, Verbal, Logical Reasoning         │
│ DSA & Coding    │ Arrays → Graphs → DP (50 levels)        │
│ Full Stack Dev  │ HTML/CSS/JS/React/Node/MongoDB           │
│ Company-wise    │ Google, Amazon, Microsoft, etc.          │
└─────────────────┴──────────────────────────────────────────┘

Level unlock: Score ≥ 70% to unlock the next level

🔐 Authentication Flow

User visits app
      │
      ▼
Clerk handles login (Google / GitHub / Email)
      │
      ▼
JWT token stored in browser
      │
      ▼
Every API request: Authorization: Bearer <token>
      │
      ▼
Server: requireAuth() middleware validates token
      │
      ▼
req.auth().userId → fetch/create user in MongoDB

💳 Payment Flow

Student clicks "Buy Now"
        │
        ▼
POST /api/user/purchase
        │
        ├─ Free course (price = 0)?
        │       │
        │       ▼
        │  POST /api/user/enroll-free
        │  → Add to enrolledCourses directly
        │  → Redirect to Player
        │
        └─ Paid course?
                │
                ▼
          Stripe Checkout Session created
                │
                ▼
          User completes payment on Stripe
                │
                ▼
          Stripe webhook → /stripe
                │
                ▼
          Purchase status → "completed"
          User.enrolledCourses updated
                │
                ▼
          Redirect to My Enrollments

🤝 Contributing

Contributions are welcome! Here's how:

# Fork the repo, then:
git checkout -b feature/your-feature-name
git commit -m "feat: add your feature"
git push origin feature/your-feature-name
# Open a Pull Request

Please follow Conventional Commits for commit messages.

📄 License

This project is licensed under the MIT License — see the LICENSE file for details.

👨‍💻 Author

Satyam Kumar

⭐ Star this repo if you found it helpful! ⭐

Built with ❤️ for CS students aiming for their dream companies

Name		Name	Last commit message	Last commit date
Latest commit History 113 Commits
client		client
scripts		scripts
server		server
README.md		README.md

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⚡ CSEdge — Full Stack Learning & Placement Platform

Learn Smart. Prepare Right. Succeed Big.

📸 Screenshots

✨ Features

🎓 For Students

👩‍🏫 For Educators

🛡️ Platform

🏗️ Architecture

🧰 Tech Stack

🗄️ Database Schema (Key Models)

Course

User

Purchase

⚙️ Getting Started

Prerequisites

1. Clone the repository

2. Setup the Server

3. Setup the Client

4. Seed the Courses (optional)

5. Configure Stripe Webhook (local testing)

🔌 API Reference

User Routes — `/api/user`

Course Routes — `/api/course`

Educator Routes — `/api/educator`

Test Routes — `/api/test`

🧪 Practice Test System

🔐 Authentication Flow

💳 Payment Flow

🤝 Contributing

📄 License

👨‍💻 Author

About

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Repository files navigation

⚡ CSEdge — Full Stack Learning & Placement Platform

Learn Smart. Prepare Right. Succeed Big.

📸 Screenshots

✨ Features

🎓 For Students

👩‍🏫 For Educators

🛡️ Platform

🏗️ Architecture

🧰 Tech Stack

🗄️ Database Schema (Key Models)

Course

User

Purchase

⚙️ Getting Started

Prerequisites

1. Clone the repository

2. Setup the Server

3. Setup the Client

4. Seed the Courses (optional)

5. Configure Stripe Webhook (local testing)

🔌 API Reference

User Routes — /api/user

Course Routes — /api/course

Educator Routes — /api/educator

Test Routes — /api/test

🧪 Practice Test System

🔐 Authentication Flow

💳 Payment Flow

🤝 Contributing

📄 License

👨‍💻 Author

About

Resources

Stars

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Forks

Releases

Packages

Contributors

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User Routes — `/api/user`

Course Routes — `/api/course`

Educator Routes — `/api/educator`

Test Routes — `/api/test`