📚 FastAPI Bookstore API

A simple REST API built with FastAPI to manage a bookstore. This project includes full CRUD functionality and demonstrates use of path/query parameters, Pydantic validation, and Pipenv for dependency management.

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🚀 Features

• ✅ Get all books with optional author filtering
• ✅ Get a book by its ID
• ✅ Add a new book (with duplicate ID prevention)
• ✅ Update an existing book
• ✅ Delete a book
• ✅ Validation for rating (must be between 0 and 5)
• ✅ Price field included
• ✅ Built using Pipenv for clean dependency management

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📦 Technologies Used

• FastAPI
• Pydantic
• Uvicorn (for development server)
• Pipenv (for environment management)

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🔧 Installation

1. Clone the repository

git clone https://github.com/Jayasurya003/Bookstore_FastAPI.git
cd Bookstore_FastAPI

2. Install dependencies using Pipenv

pipenv install

3. Activate the virtual environment

pipenv shell

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▶️ Running the App

uvicorn main:app --reload

• Go to: http://127.0.0.1:8000
• Use the interactive docs: http://127.0.0.1:8000/docs

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📬 API Endpoints

Method	Endpoint	Description
GET	/books	Get all books (with optional author filter)
GET	/books/{book_id}	Get one book by its ID
POST	/books	Add a new book
PUT	/books/{book_id}	Update an existing book
DELETE	/books/{book_id}	Delete a book

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📌 Notes

• rating must be a float between 0 and 5 (validated with confloat)
• Prevents adding books with duplicate id
• Uses Optional fields like description and rating for flexibility

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🧪 Future Improvements

• Add persistence (e.g., database integration)
• Add authentication
• Add pagination or search filtering

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