pycartnext

pycartnext is a simple shopping cart service built using FastAPI and Redis for caching. It provides basic cart management functionalities like adding/removing items, modifying quantities, and applying discounts.

Features

• Add, remove, and modify items in the shopping cart
• Apply discounts to the cart
• Use Redis for caching cart data
• Easy-to-use service interface for managing the cart

Installation

Prerequisites

Ensure you have Python 3.10+ and Redis installed.

Steps to install

1. Install dependencies using Poetry:

   pip install pycartnext

2. Set up Redis:

   • Install Redis locally or use a Redis cloud service.
   • Make sure Redis is running on redis://127.0.0.1:6379.

3. Example:

   • Check example folder how to use.

Usage

CartService

The CartService class handles all cart-related operations. Here's how you can use it:

1. Create a CartService instance:

   from cart_service import CartService
   
   cart_service = CartService(redis_url="redis://127.0.0.1:6379")

2. Add an item to the cart:

   cart_service.add_item(title="Product A", price=100.0, quantity=2)

3. Remove an item from the cart:

   cart_service.remove_item(item_id=1)

4. Increment item quantity:

   cart_service.increment_item_quantity(item_id=1)

5. Decrement item quantity:

   cart_service.decrement_item_quantity(item_id=1)

6. Apply a discount to the cart:

   cart_service.apply_discount(discount_percentage=10)

7. Clear the entire cart:

   cart_service.clear_cart()

8. View the current cart:

   cart = cart_service.get_cart()
   print(cart)

License

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

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