Fix #232 -- display log text for stripe events

src/pretix/plugins/stripe/signals.py

@@ -1,9 +1,12 @@
+import json
+
 from django.core.urlresolvers import resolve
 from django.dispatch import receiver
 from django.template import Context
 from django.template.loader import get_template
+from django.utils.translation import ugettext_lazy as _
 
-from pretix.base.signals import register_payment_providers
+from pretix.base.signals import logentry_display, register_payment_providers
 from pretix.presale.signals import html_head
 
 
@@ -26,3 +29,32 @@ def html_head_presale(sender, request=None, **kwargs):
         return template.render(ctx)
     else:
         return ""
+
+
+@receiver(signal=logentry_display, dispatch_uid="stripe_logentry_display")
+def pretixcontrol_logentry_display(sender, logentry, **kwargs):
+    if logentry.action_type != 'pretix.plugins.stripe.event':
+        return
+
+    data = json.loads(logentry.data)
+    event_type = data.get('type')
+    text = None
+    plains = {
+        'charge.succeeded': _('Charge succeeded.'),
+        'charge.refunded': _('Charge refunded.'),
+        'charge.updated': _('Charge updated.'),
+    }
+
+    if event_type in plains:
+        text = plains[event_type]
+    elif event_type == 'charge.failed':
+        text = _('Charge failed. Reason: {}').format(data['data']['object']['failure_message'])
+    elif event_type == 'charge.dispute.created':
+        text = _('Dispute created. Reason: {}').format(data['data']['object']['reason'])
+    elif event_type == 'charge.dispute.updated':
+        text = _('Dispute updated. Reason: {}').format(data['data']['object']['reason'])
+    elif event_type == 'charge.dispute.closed':
+        text = _('Dispute closed. Status: {}').format(data['data']['object']['status'])
+
+    if text:
+        return _('Stripe reported an event: {}').format(text)