feat(elections): Pseudonimize votes after tallying

elections/tasks.py

@@ -10,3 +10,11 @@ def send_election_mail(election_pk: int, subject: str, body: str, reply_to: str)
     send_mail(election, subject, body, reply_to)
     election.sent_mail = True
     election.save(update_fields=["sent_mail"])
+
+
+@background
+def pseudonimize_election(election_pk: int):
+    election = Election.objects.get(pk=election_pk)
+
+    for q in election.questions.all():
+        q.pseudonymize()

elections/views.py

@@ -41,13 +41,14 @@ from .mixins import (
 )
 from .models import Election, Option, Question, Vote
 from .staticdefs import MAIL_VOTE_DELETED, MAIL_VOTERS, QUESTION_TYPES, VOTE_RULES
-from .tasks import send_election_mail
+from .tasks import pseudonimize_election, send_election_mail
 from .utils import create_users
 
 if TYPE_CHECKING:
     from elections.typing import User
 else:
     from django.contrib.auth import get_user_model
+
     User = get_user_model()
 
 # TODO: access control *everywhere*
@@ -299,6 +300,9 @@ class ElectionTallyView(ClosedElectionMixin, BackgroundUpdateView):
         election.tallied = True
         election.time_tallied = timezone.now()
         election.save()
+
+        pseudonimize_election(election.pk)
+
         return super().get(request, *args, **kwargs)