forked from CGM_Public/pretix_original
87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-2021 rami.io GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from django.conf import settings
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from django.core.validators import URLValidator
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from i18nfield.fields import I18nCharField, I18nTextField
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from i18nfield.strings import LazyI18nString
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from rest_framework.exceptions import ValidationError
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from rest_framework.fields import Field
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from rest_framework.serializers import ModelSerializer
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class I18nField(Field):
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def __init__(self, **kwargs):
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self.allow_blank = kwargs.pop('allow_blank', False)
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self.trim_whitespace = kwargs.pop('trim_whitespace', True)
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self.max_length = kwargs.pop('max_length', None)
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self.min_length = kwargs.pop('min_length', None)
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super().__init__(**kwargs)
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def to_representation(self, value):
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if hasattr(value, 'data'):
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if isinstance(value.data, dict):
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return value.data
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elif value.data is None:
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return None
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else:
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return {
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settings.LANGUAGE_CODE: str(value.data)
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}
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elif value is None:
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return None
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else:
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return {
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settings.LANGUAGE_CODE: str(value)
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}
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def to_internal_value(self, data):
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if isinstance(data, str):
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return LazyI18nString(data)
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elif isinstance(data, dict):
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if any([k not in dict(settings.LANGUAGES) for k in data.keys()]):
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raise ValidationError('Invalid languages included.')
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return LazyI18nString(data)
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else:
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raise ValidationError('Invalid data type.')
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class I18nAwareModelSerializer(ModelSerializer):
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pass
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I18nAwareModelSerializer.serializer_field_mapping[I18nCharField] = I18nField
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I18nAwareModelSerializer.serializer_field_mapping[I18nTextField] = I18nField
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class I18nURLField(I18nField):
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def to_internal_value(self, value):
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value = super().to_internal_value(value)
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if not value:
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return value
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if isinstance(value.data, dict):
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for v in value.data.values():
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if v:
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URLValidator()(v)
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else:
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URLValidator()(value.data)
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return value
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