A simple shopping cart for Django.
Project description
dj-cart
Introduction
This is not a session based cart system. Session based carts are not suitable for REST endpoints because REST is stateless. This implementation stores the contents of the cart in the database.
Prerequisites
- Django 1.1+
- django content type framework in your INSTALLED_APPS
Installation
pip install dj-cart
After installation is complete:
add 'cart' to your INSTALLED_APPS
Run
python manage.py migrate
Usage
from cart.models import Cart
from myproducts.models import Product
class CartAdd(APIView):
def get_object(self, product_id):
try:
return Product.objects.get(pk=product_id)
except Product.DoesNotExist:
raise Http404
def post(self, request, product_id):
quantity = request.data.get('quantity')
product = self.get_object(product_id)
cart, created = Cart.objects.get_or_create(user=self.request.user)
cart.add_item(product, product.price, quantity)
return Response(status=status.HTTP_201_CREATED)
class CartRemove(APIView):
def get_object(self, product_id):
try:
return Product.objects.get(pk=product_id)
except Product.DoesNotExist:
raise Http404
def put(self, request, product_id):
product = self.get_object(product_id)
cart = get_object_or_404(Cart, user=self.request.user)
cart.remove_item(product)
return Response(status=status.HTTP_204_NO_CONTENT)
class CartDetail(APIView):
def get(self, request):
try:
cart = Cart.objects.get(patient=self.request.user.patient)
except Cart.DoesNotExist:
cart = Cart.objects.create(patient=self.request.user.patient)
return Response(cart.serializable(), status=status.HTTP_200_OK)
Testing
pytest
Project details
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