Log confirm message consent

src/pretix/base/services/orders.py

@@ -510,6 +510,8 @@ def _create_order(event: Event, email: str, positions: List[CartPosition], now_d
 
         OrderPosition.transform_cart_positions(positions, order)
         order.log_action('pretix.event.order.placed')
+        for msg in meta_info.get('confirm_messages', []):
+            order.log_action('pretix.event.order.consent', data={'msg': msg})
 
     order_placed.send(event, order=order)
     return order

src/pretix/control/logdisplay.py

@@ -1,6 +1,7 @@
 import json
 from decimal import Decimal
 
+import bleach
 import dateutil.parser
 import pytz
 from django.dispatch import receiver
@@ -278,6 +279,11 @@ def pretixcontrol_logentry_display(sender: Event, logentry: LogEntry, **kwargs):
     if logentry.action_type.startswith('pretix.event.tickets.provider.'):
         return _('The settings of a ticket output provider have been changed.')
 
+    if logentry.action_type == 'pretix.event.order.consent':
+        return _('The user confirmed the following message: "{}"').format(
+            bleach.clean(logentry.parsed_data.get('msg'), tags=[], strip=True)
+        )
+
     if logentry.action_type == 'pretix.event.checkin':
         return _display_checkin(sender, logentry)
 

src/pretix/presale/checkoutflow.py

@@ -578,7 +578,10 @@ class ConfirmStep(CartMixin, AsyncAction, TemplateFlowStep):
                     return redirect(self.get_error_url())
 
         meta_info = {
-            'contact_form_data': self.cart_session.get('contact_form_data', {})
+            'contact_form_data': self.cart_session.get('contact_form_data', {}),
+            'confirm_messages': [
+                str(m) for m in self.confirm_messages.values()
+            ]
         }
         for receiver, response in order_meta_from_request.send(sender=request.event, request=request):
             meta_info.update(response)