Library API

A simple REST API built with Node.js and Express for managing a collection of books.

This project was created as a learning exercise to understand:

• Express routing
• Route parameters
• Query parameters
• Middleware
• HTTP methods
• CRUD operations
• JSON APIs
• Static file serving

Features

Create a Book

POST /books

Request Body:

{
  "title": "Clean Code",
  "author": "Robert Martin"
}

Get All Books

GET /books

Get a Book by ID

GET /books/:id

Example:

GET /books/1

Search Books

GET /search?title=Clean Code

Update a Book

PATCH /books/:id

Request Body:

{
  "title": "Clean Code 2nd Edition"
}

Delete a Book

DELETE /books/:id

Project Structure

library-api/
│
├── public/
│   └── index.html
│
├── server.js
├── package.json
└── README.md

Installation

1. Clone the repository

git clone <repository-url>
cd library-api

2. Install dependencies

npm install

3. Start the server

node server.js

Server will start on:

http://localhost:3000

API Testing

You can test the API using:

• Thunder Client
• Postman
• curl
• JavaScript fetch()

Example:

curl http://localhost:3000/books

Current Limitations

• No database
• Data is stored in memory
• All books are lost when the server restarts
• No authentication
• No persistent storage

Future Improvements

• Add SQLite or PostgreSQL
• Add request validation
• Split routes into separate modules
• Add controllers and middleware
• Add user authentication
• Add pagination and sorting

Tech Stack

• Node.js
• Express.js

License

This project is for educational purposes.