Hearing Aid OMS Backend

Backend service for the Hearing Aid Order Management System built with Node.js, Express, and MongoDB (Mongoose).
This API handles authentication, customer management, and order operations for the system.

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🚀 Features

• RESTful API built with Express
• Database integration with MongoDB (Mongoose)
• Authentication using JWT (Access & Refresh tokens)
• Secure password storage with bcrypt
• Middleware support: CORS, Cookie-parser
• Pagination with mongoose-aggregate-paginate-v2
• Environment-based configuration using dotenv
• Prettier for consistent code formatting

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📦 Tech Stack

• Runtime: Node.js
• Framework: Express.js
• Database: MongoDB (via Mongoose)
• Auth: JWT (Access + Refresh tokens)
• Other Libraries:
  • bcryptjs
  • cors
  • cookie-parser
  • mongoose-aggregate-paginate-v2
  • dotenv
• Dev Tools:
  • nodemon
  • prettier

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⚙️ Setup Instructions

1️⃣ Clone Repository

git clone https://github.com/CodeWithNJ/hearing-aid-oms-backend.git
cd hearing-aid-oms-backend

2️⃣ Install Dependencies

npm install

3️⃣ Configure Environment Variables

PORT=8100
MONGODB_URI=mongodb://localhost:27017
CORS_ORIGIN=*
ACCESS_TOKEN_SECRET=your-secret-access-token
ACCESS_TOKEN_EXPIRY=1d
REFRESH_TOKEN_SECRET=your-secret-refresh-token
REFRESH_TOKEN_EXPIRY=10d

4️⃣ Run the Project

npm run dev

📂 Project Structure

hearing-aid-oms-backend/
│── src/
│   ├── index.js        # Entry point
│   ├── config/         # DB & environment configs
│   ├── routes/         # API route definitions
│   ├── controllers/    # Business logic
│   ├── models/         # Mongoose schemas
│   ├── middlewares/    # Custom middlewares
│   └── utils/          # Helper functions
│
│── .env                # Environment variables (ignored)
│── .env.sample         # Sample env file
│── .gitignore          # Git ignore rules
│── package.json        # Dependencies & scripts
│── package-lock.json   # Dependency lock file
│── README.md           # Documentation