Fix static instance name in emails (Z#23224360) (#5914)

src/pretix/base/models/auth.py

@@ -346,7 +346,8 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
             {
                 'user': self,
                 'messages': msg,
-                'url': build_absolute_uri('control:user.settings')
+                'url': build_absolute_uri('control:user.settings'),
+                'instance': settings.PRETIX_INSTANCE_NAME,
             },
             event=None,
             user=self,
@@ -391,6 +392,7 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
                 'user': self,
                 'reason': msg,
                 'code': code,
+                'instance': settings.PRETIX_INSTANCE_NAME,
             },
             event=None,
             user=self,
@@ -430,6 +432,7 @@ class User(AbstractBaseUser, PermissionsMixin, LoggingMixin):
         mail(
             self.email, _('Password recovery'), 'pretixcontrol/email/forgot.txt',
             {
+                'instance': settings.PRETIX_INSTANCE_NAME,
                 'user': self,
                 'url': (build_absolute_uri('control:auth.forgot.recover')
                         + '?id=%d&token=%s' % (self.id, default_token_generator.make_token(self)))

src/pretix/base/services/shredder.py

@@ -176,6 +176,7 @@ def shred(self, event: Event, fileid: str, confirm_code: str, user: int=None, lo
                 _('Data shredding completed'),
                 'pretixbase/email/shred_completed.txt',
                 {
+                    'instance': settings.PRETIX_INSTANCE_NAME,
                     'user': user,
                     'organizer': event.organizer.name,
                     'event': str(event.name),

src/pretix/base/templates/pretixbase/email/shred_completed.txt

@@ -13,5 +13,5 @@ Start time: {{ start_time }} (new data added after this time might not have been
 
 Best regards,
 
-Your pretix team
+Your {{ instance }} team
 {% endblocktrans %}