🚀 Backend Practice Project

A production-style backend project built using Node.js, Express, and MongoDB.
This project demonstrates real-world backend concepts including authentication, playlist management, video handling, and dashboard analytics using aggregation pipelines.

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📌 Features

🔐 Authentication

• JWT-based authentication
• Secure protected routes using middleware

🎥 Video Management

• Upload and manage videos
• Store video metadata (views, owner, etc.)

📂 Playlist System

• Create playlists
• Add video to playlist
• Remove video from playlist
• Delete playlist
• Update playlist details
• Fetch user playlists
• Fetch playlist with populated videos

📊 Dashboard (Aggregation)

• Total videos
• Total views
• Total subscribers
• Total likes (using aggregation + lookup)

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🧠 Concepts Covered

• RESTful API design
• MongoDB Aggregation Pipeline
• Mongoose Relationships (Ref & Populate)
• Data validation & error handling
• Modular controller structure
• Async error handling (custom wrapper)

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🛠️ Tech Stack

• Backend: Node.js, Express.js
• Database: MongoDB, Mongoose
• Auth: JWT
• Cloud: Cloudinary (for media storage)
• Tools: Postman, Nodemon

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📁 Project Structure

src/
│── controllers/
│── models/
│── routes/
│── middlewares/
│── utils/
│── app.js
│── server.js

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⚙️ Installation

# Clone repo
git clone https://github.com/abdullahbutt09/backend-practice-project.git

# Go into project
cd backend-practice-project

# Install dependencies
npm install

# Run server
npm run dev

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🔑 Environment Variables

Create a .env file and add:

PORT=5000
MONGO_URI=your_mongodb_uri
ACCESS_TOKEN_SECRET=your_secret
REFRESH_TOKEN_SECRET=your_secret
CLOUDINARY_CLOUD_NAME=your_cloud
CLOUDINARY_API_KEY=your_key
CLOUDINARY_API_SECRET=your_secret

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📬 API Endpoints (Sample)

Playlist

POST    /playlists
GET     /playlists/:playlistId
PATCH   /playlists/:playlistId
DELETE  /playlists/:playlistId
PUT     /playlists/:playlistId/videos/:videoId
DELETE  /playlists/:playlistId/videos/:videoId

Dashboard

GET /dashboard/stats

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📈 Key Highlight

Implemented MongoDB Aggregation Pipeline to calculate:

• Total views
• Total likes (via $lookup)
• Total videos

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🧑‍💻 Author

Abdullah Full Stack Developer (Learning Phase 🚀)

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⭐ Note

This project is built for learning and practicing backend development concepts. Future improvements may include:

• Pagination
• Role-based access
• Advanced analytics
• Caching (Redis)

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