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Allow to unset QuestionAnswers

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This commit is contained in:
Martin Gross
2019-05-24 11:15:35 +02:00
parent 1bd3a63959
commit 59beba5069
1 changed files with 5 additions and 4 deletions
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9
src/pretix/base/views/mixins.py
View File

@@ -4,7 +4,7 @@ from decimal import Decimal
from django import forms
from django.core.files.uploadedfile import UploadedFile
from django.db.models import Prefetch
from django.db.models import Prefetch, QuerySet
from django.utils.functional import cached_property
from pretix.base.forms.questions import (
@@ -89,19 +89,20 @@ class BaseQuestionsViewMixin:
elif k == 'attendee_email':
form.pos.attendee_email = v if v != '' else None
form.pos.save()
elif k.startswith('question_') and v is not None:
elif k.startswith('question_'):
field = form.fields[k]
if hasattr(field, 'answer'):
# We already have a cached answer object, so we don't
# have to create a new one
if v == '' or v is None or (isinstance(field, forms.FileField) and v is False):
if v == '' or v is None or (isinstance(field, forms.FileField) and v is False) \
or (isinstance(v, QuerySet) and not v.exists()):
if field.answer.file:
field.answer.file.delete()
field.answer.delete()
else:
self._save_to_answer(field, field.answer, v)
field.answer.save()
elif v != '':
elif v != '' and v is not None:
answer = QuestionAnswer(
cartposition=(form.pos if isinstance(form.pos, CartPosition) else None),
orderposition=(form.pos if isinstance(form.pos, OrderPosition) else None),