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pretix_original/src/pretix/api/serializers/forms.py
2025-10-10 15:32:46 +02:00

116 lines
4.6 KiB
Python

#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-today pretix GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
# <https://www.gnu.org/licenses/>.
#
from django import forms
from rest_framework import serializers
from pretix.base.timeframes import DateFrameField, SerializerDateFrameField
simple_mappings = (
(forms.DateField, serializers.DateField, ()),
(forms.TimeField, serializers.TimeField, ()),
(forms.SplitDateTimeField, serializers.DateTimeField, ()),
(forms.DateTimeField, serializers.DateTimeField, ()),
(forms.DecimalField, serializers.DecimalField, ('max_digits', 'decimal_places', 'min_value', 'max_value')),
(forms.FloatField, serializers.FloatField, ()),
(forms.IntegerField, serializers.IntegerField, ()),
(forms.EmailField, serializers.EmailField, ()),
(forms.UUIDField, serializers.UUIDField, ()),
(forms.URLField, serializers.URLField, ()),
(forms.BooleanField, serializers.BooleanField, ()),
)
class PrimaryKeyRelatedField(serializers.PrimaryKeyRelatedField):
def to_representation(self, value):
if isinstance(value, int):
return value
return super().to_representation(value)
class FormFieldWrapperField(serializers.Field):
def __init__(self, *args, **kwargs):
self.form_field = kwargs.pop('form_field')
super().__init__(*args, **kwargs)
def to_representation(self, value):
return self.form_field.widget.format_value(value)
def to_internal_value(self, data):
d = self.form_field.widget.value_from_datadict({'name': data}, {}, 'name')
d = self.form_field.clean(d)
return d
def form_field_to_serializer_field(field):
for m_from, m_to, m_kwargs in simple_mappings:
if isinstance(field, m_from):
return m_to(
required=field.required,
allow_null=not field.required,
validators=field.validators,
**{kwarg: getattr(field, kwarg, None) for kwarg in m_kwargs}
)
if isinstance(field, forms.NullBooleanField):
return serializers.BooleanField(
required=field.required,
allow_null=True,
validators=field.validators,
)
if isinstance(field, forms.ModelMultipleChoiceField):
return PrimaryKeyRelatedField(
queryset=field.queryset,
required=field.required,
allow_empty=not field.required,
validators=field.validators,
many=True
)
elif isinstance(field, forms.ModelChoiceField):
return PrimaryKeyRelatedField(
queryset=field.queryset,
required=field.required,
allow_null=not field.required,
validators=field.validators,
)
elif isinstance(field, forms.MultipleChoiceField):
return serializers.MultipleChoiceField(
choices=field.choices,
required=field.required,
allow_empty=not field.required,
validators=field.validators,
)
elif isinstance(field, forms.ChoiceField):
return serializers.ChoiceField(
choices=field.choices,
required=field.required,
allow_null=not field.required,
validators=field.validators,
)
elif isinstance(field, DateFrameField):
return SerializerDateFrameField(
required=field.required,
allow_null=not field.required,
validators=field.validators,
)
else:
return FormFieldWrapperField(form_field=field, required=field.required, allow_null=not field.required)