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