wagtail-longclaw/longclaw/longclawcheckout/api.py

106 wiersze
3.4 KiB
Python

'''
Shipping logic and payment capture API
'''
from django.utils import timezone
from django.db import transaction
from rest_framework.decorators import api_view, permission_classes
from rest_framework import permissions, status
from rest_framework.response import Response
from longclaw.longclawbasket.utils import destroy_basket
from longclaw.longclawcheckout.utils import create_order, GATEWAY
from longclaw.longclawcheckout.errors import PaymentError
@api_view(['GET'])
@permission_classes([permissions.AllowAny])
def create_token(request):
''' Generic function for creating a payment token from the
payment backend. Some payment backends (e.g. braintree) support creating a payment
token, which should be imported from the backend as 'get_token'
'''
token = GATEWAY.get_token(request)
return Response({'token': token}, status=status.HTTP_200_OK)
@transaction.atomic
@api_view(['POST'])
@permission_classes([permissions.AllowAny])
def create_order_with_token(request):
'''
Create an order using an existing transaction ID.
This is useful for capturing the payment outside of
longclaw - e.g. using paypals' express checkout or
similar
'''
# Get the request data
try:
address = request.data['address']
shipping_option = request.data.get('shipping_option', None)
email = request.data['email']
transaction_id = request.data['transaction_id']
except KeyError:
return Response(data={"message": "Missing parameters from request data"},
status=status.HTTP_400_BAD_REQUEST)
# Create the order
order = create_order(
email,
request,
addresses=address,
shipping_option=shipping_option
)
order.payment_date = timezone.now()
order.transaction_id = transaction_id
order.save()
# Once the order has been successfully taken, we can empty the basket
destroy_basket(request)
return Response(data={"order_id": order.id}, status=status.HTTP_201_CREATED)
@transaction.atomic
@api_view(['POST'])
@permission_classes([permissions.AllowAny])
def capture_payment(request):
'''
Capture the payment for a basket and create an order
request.data should contain:
'address': Dict with the following fields:
shipping_name
shipping_address_line1
shipping_address_city
shipping_address_zip
shipping_address_country
billing_name
billing_address_line1
billing_address_city
billing_address_zip
billing_address_country
'email': Email address of the customer
'shipping': The shipping rate (in the sites' currency)
'''
# get request data
address = request.data['address']
email = request.data.get('email', None)
shipping_option = request.data.get('shipping_option', None)
# Capture the payment
try:
order = create_order(
email,
request,
addresses=address,
shipping_option=shipping_option,
capture_payment=True
)
response = Response(data={"order_id": order.id},
status=status.HTTP_201_CREATED)
except PaymentError as err:
order.status = Order.CANCELLED
order.note = "Payment failed"
response = Response(data={"message": err.message, "order_id": order.id},
status=status.HTTP_400_BAD_REQUEST)
order.save()
return response