uncloud-mravi/uncloud/uncloud_pay/views.py

192 lines
7 KiB
Python

from django.shortcuts import render
from django.db import transaction
from django.contrib.auth import get_user_model
from rest_framework import viewsets, permissions, status, views
from rest_framework.renderers import TemplateHTMLRenderer
from rest_framework.response import Response
from rest_framework.decorators import action
from rest_framework.reverse import reverse
from rest_framework.decorators import renderer_classes
import json
from .models import *
from .serializers import *
from datetime import datetime
import uncloud_pay.stripe as uncloud_stripe
###
# Users.
class UserViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = UserSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return get_user_model().objects.all()
###
# Payments and Payment Methods.
class PaymentViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = PaymentSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Payment.objects.filter(owner=self.request.user)
class PaymentMethodViewSet(viewsets.ModelViewSet):
permission_classes = [permissions.IsAuthenticated]
def get_serializer_class(self):
if self.action == 'create':
return CreatePaymentMethodSerializer
elif self.action == 'charge':
return ChargePaymentMethodSerializer
else:
return PaymentMethodSerializer
def get_queryset(self):
return PaymentMethod.objects.filter(owner=self.request.user)
# XXX: Handling of errors is far from great down there.
@transaction.atomic
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
payment_method = PaymentMethod.objects.create(owner=request.user, **serializer.validated_data)
if serializer.validated_data['source'] == "stripe":
# Retrieve Stripe customer ID for user.
customer_id = uncloud_stripe.get_customer_id_for(request.user)
if customer_id == None:
return Response(
{'error': 'Could not resolve customer stripe ID.'},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
# TODO: handle error
setup_intent = uncloud_stripe.create_setup_intent(customer_id)
payment_method = PaymentMethod.objects.create(
owner=request.user,
stripe_setup_intent_id=setup_intent['response_object']['id'],
**serializer.validated_data)
# TODO: find a way to use reverse properly:
# https://www.django-rest-framework.org/api-guide/reverse/
query= "payment-method/{}/register-stripe-cc".format(
payment_method.uuid
)
stripe_registration_url = reverse('api-root', request=request) + query
return Response({'please_visit': stripe_registration_url})
return Response(serializer.data)
@action(detail=True, methods=['post'])
def charge(self, request, pk=None):
payment_method = self.get_object()
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
amount = serializer.validated_data['amount']
try:
payment = payment_method.charge(amount)
output_serializer = PaymentSerializer(payment)
return Response(output_serializer.data)
except Exception as e:
return Response({'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
@action(detail=True, methods=['get'], url_path='register-stripe-cc', renderer_classes=[TemplateHTMLRenderer])
def register_stripe_cc(self, request, pk=None):
payment_method = self.get_object()
setup_intent = uncloud_stripe.get_setup_intent(
payment_method.stripe_setup_intent_id)
# Render stripe card registration form.
template_args = {
'client_secret': setup_intent["response_object"]["client_secret"],
'stripe_pk': uncloud_stripe.public_api_key
}
return Response(template_args, template_name='stripe-payment.html.j2')
@action(detail=True, methods=['post'], url_path='register-stripe-cc')
def register_stripe_cc(self, request, pk=None):
payment_method = self.get_object()
setup_intent = uncloud_stripe.get_setup_intent(
payment_method.stripe_setup_intent_id)
# Card had been registered, fetching payment method.
payment_method_id = setup_intent["response_object"].payment_method
if payment_method_id:
payment_method.stripe_payment_method_id = payment_method_id
payment_method.save()
return Response({
'uuid': payment_method.uuid,
'activated': payment_method.active})
else:
error = 'Could not fetch payment method from stripe. Please try again.'
return Response({'error': error})
###
# Bills and Orders.
class BillViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = BillSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Bill.objects.filter(owner=self.request.user)
def unpaid(self, request):
return Bill.objects.filter(owner=self.request.user, paid=False)
class OrderViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = OrderSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Order.objects.filter(owner=self.request.user)
###
# Old admin stuff.
class AdminPaymentViewSet(viewsets.ModelViewSet):
serializer_class = PaymentSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Payment.objects.all()
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
serializer.save(timestamp=datetime.now())
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
class AdminBillViewSet(viewsets.ModelViewSet):
serializer_class = BillSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Bill.objects.all()
def unpaid(self, request):
return Bill.objects.filter(owner=self.request.user, paid=False)
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
serializer.save(creation_date=datetime.now())
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
class AdminOrderViewSet(viewsets.ModelViewSet):
serializer_class = OrderSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Order.objects.all()