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PayPal: Event-independent webhooks

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This commit is contained in:
Raphael Michel
2017-07-23 12:38:41 +02:00
parent 5f529817ef
commit 1d2d9d8b99
8 changed files with 112 additions and 15 deletions
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42
src/pretix/plugins/paypal/views.py
View File

@@ -16,6 +16,7 @@ from pretix.base.services.orders import mark_order_paid, mark_order_refunded
from pretix.control.permissions import event_permission_required
from pretix.multidomain.urlreverse import eventreverse
from pretix.plugins.paypal.payment import Paypal
from pretix.plugins.stripe.models import ReferencedStripeObject
from pretix.presale.utils import event_view
logger = logging.getLogger('pretix.plugins.paypal')
@@ -74,28 +75,44 @@ def abort(request, *args, **kwargs):
@csrf_exempt
@require_POST
@event_view(require_live=False)
def webhook(request, *args, **kwargs):
event_body = request.body.decode('utf-8').strip()
event_json = json.loads(event_body)
prov = Paypal(request.event)
prov.init_api()
# We do not check the signature, we just use it as a trigger to look the charge up.
if event_json['resource_type'] not in ('sale', 'refund'):
return HttpResponse("Not interested in this resource type", status=200)
if event_json['resource_type'] == 'sale':
saleid = event_json['resource']['id']
else:
saleid = event_json['resource']['sale_id']
try:
if event_json['resource_type'] == 'sale':
sale = paypalrestsdk.Sale.find(event_json['resource']['id'])
refs = [saleid]
if event_json['resource'].get('parent_payment'):
refs.append(event_json['resource'].get('parent_payment'))
rso = ReferencedStripeObject.objects.select_related('order', 'order__event').get(
reference__in=refs
)
event = rso.order.event
except ReferencedStripeObject.DoesNotExist:
if hasattr(request, 'event'):
event = request.event
else:
sale = paypalrestsdk.Sale.find(event_json['resource']['sale_id'])
return HttpResponse("Unable to detect event", status=200)
prov = Paypal(event)
prov.init_api()
try:
sale = paypalrestsdk.Sale.find(saleid)
except:
logger.exception('PayPal error on webhook. Event data: %s' % str(event_json))
return HttpResponse('Sale not found', status=500)
orders = Order.objects.filter(event=request.event, payment_provider='paypal',
orders = Order.objects.filter(event=event, payment_provider='paypal',
payment_info__icontains=sale['id'])
order = None
for o in orders:
@@ -113,7 +130,7 @@ def webhook(request, *args, **kwargs):
if order.status == Order.STATUS_PAID and sale['state'] in ('partially_refunded', 'refunded'):
RequiredAction.objects.create(
event=request.event, action_type='pretix.plugins.paypal.refund', data=json.dumps({
event=event, action_type='pretix.plugins.paypal.refund', data=json.dumps({
'order': order.code,
'sale': sale['id']
})
@@ -122,10 +139,10 @@ def webhook(request, *args, **kwargs):
try:
mark_order_paid(order, user=None)
except Quota.QuotaExceededException:
if not RequiredAction.objects.filter(event=request.event, action_type='pretix.plugins.paypal.overpaid',
if not RequiredAction.objects.filter(event=event, action_type='pretix.plugins.paypal.overpaid',
data__icontains=order.code).exists():
RequiredAction.objects.create(
event=request.event, action_type='pretix.plugins.paypal.overpaid', data=json.dumps({
event=event, action_type='pretix.plugins.paypal.overpaid', data=json.dumps({
'order': order.code,
'payment': sale['parent_payment']
})
@@ -134,6 +151,9 @@ def webhook(request, *args, **kwargs):
return HttpResponse(status=200)
event_webbook = csrf_exempt(event_view(require_live=False)(webhook))
@event_permission_required('can_view_orders')
@require_POST
def refund(request, **kwargs):