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