Introduce RequiredAction model

Fix #343 by no longer marking as refunded automatically

src/pretix/plugins/stripe/signals.py

@@ -5,7 +5,9 @@ from django.dispatch import receiver
 from django.template.loader import get_template
 from django.utils.translation import ugettext_lazy as _
 
-from pretix.base.signals import logentry_display, register_payment_providers
+from pretix.base.signals import (
+    logentry_display, register_payment_providers, requiredaction_display,
+)
 from pretix.presale.signals import html_head
 
 
@@ -57,3 +59,14 @@ def pretixcontrol_logentry_display(sender, logentry, **kwargs):
 
     if text:
         return _('Stripe reported an event: {}').format(text)
+
+
+@receiver(signal=requiredaction_display, dispatch_uid="stripe_requiredaction_display")
+def pretixcontrol_action_display(sender, action, request, **kwargs):
+    if action.action_type != 'pretix.plugins.stripe.refund':
+        return
+
+    data = json.loads(action.data)
+    template = get_template('pretixplugins/stripe/action_refund.html')
+    ctx = {'data': data, 'event': sender, 'action': action}
+    return template.render(ctx, request)

src/pretix/plugins/stripe/templates/pretixplugins/stripe/action_refund.html

@@ -0,0 +1,20 @@
+{% load i18n %}
+
+<p>
+    {% url "control:event.order" organizer=event.organizer.slug event=event.slug code=data.order as ourl %}
+    {% blocktrans trimmed with charge=data.charge stripe_href="href='https://dashboard.stripe.com/payments/"|add:data.charge|add:"' target='_blank'"|safe order="<a href='"|add:ourl|add:"'>"|add:data.order|add:"</a>"|safe %}
+        Stripe reported that the transaction <a {{ stripe_href }}>{{ charge }}</a> has been refunded.
+        Do you want to refund the matching order ({{ order }}) as well?
+    {% endblocktrans %}
+</p>
+<form class="form-inline" method="post" action="{% url "plugins:stripe:refund"  event=event.slug organizer=event.organizer.slug id=action.id %}">
+    {% csrf_token %}
+    <a href="{% url "control:event.requiredaction.discard" event=event.slug organizer=event.organizer.slug id=action.id %}"
+            class="btn btn-default">
+        {% trans "No" %}
+    </a>
+    <button type="submit" class="btn btn-default btn-danger">
+        {% trans "Yes, mark order as refunded" %}
+    </button>&nbsp;
+    {% trans "This action cannot be undone." %}
+</form>

src/pretix/plugins/stripe/urls.py

@@ -1,9 +1,14 @@
 from django.conf.urls import include, url
 
-from .views import webhook
+from .views import refund, webhook
 
 event_patterns = [
     url(r'^stripe/', include([
         url(r'^webhook/$', webhook, name='webhook'),
     ])),
 ]
+
+urlpatterns = [
+    url(r'^control/event/(?P<organizer>[^/]+)/(?P<event>[^/]+)/stripe/refund/(?P<id>\d+)/',
+        refund, name='refund'),
+]

src/pretix/plugins/stripe/views.py

@@ -2,12 +2,18 @@ import json
 import logging
 
 import stripe
+from django.contrib import messages
+from django.db import transaction
 from django.http import HttpResponse
+from django.shortcuts import get_object_or_404, redirect
+from django.urls import reverse
+from django.utils.translation import ugettext_lazy as _
 from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_POST
 
-from pretix.base.models import Order
+from pretix.base.models import Order, RequiredAction
 from pretix.base.services.orders import mark_order_paid, mark_order_refunded
+from pretix.control.permissions import event_permission_required
 from pretix.plugins.stripe.payment import Stripe
 from pretix.presale.utils import event_view
 
@@ -56,8 +62,39 @@ def webhook(request, *args, **kwargs):
 
     is_refund = charge['refunds']['total_count'] or charge['dispute']
     if order.status == Order.STATUS_PAID and is_refund:
-        mark_order_refunded(order, user=None)
+        RequiredAction.objects.create(
+            event=request.event, action_type='pretix.plugins.stripe.refund', data=json.dumps({
+                'order': order.code,
+                'charge': charge_id
+            })
+        )
     elif order.status == Order.STATUS_PENDING and charge['status'] == 'succeeded' and not is_refund:
         mark_order_paid(order, user=None)
 
     return HttpResponse(status=200)
+
+
+@event_permission_required('can_view_orders')
+@require_POST
+def refund(request, **kwargs):
+    with transaction.atomic():
+        action = get_object_or_404(RequiredAction, event=request.event, pk=kwargs.get('id'),
+                                   action_type='pretix.plugins.stripe.refund', done=False)
+        data = json.loads(action.data)
+        action.done = True
+        action.user = request.user
+        action.save()
+        order = get_object_or_404(Order, event=request.event, code=data['order'])
+        if order.status != Order.STATUS_PAID:
+            messages.error(request, _('The order cannot be marked as refunded as it is not marked as paid!'))
+        else:
+            mark_order_refunded(order, user=request.user)
+            messages.success(
+                request, _('The order has been marked as refunded and the issue has been marked as resolved!')
+            )
+
+    return redirect(reverse('control:event.order', kwargs={
+        'organizer': request.event.organizer.slug,
+        'event': request.event.slug,
+        'code': data['order']
+    }))