forked from CGM_Public/pretix_original
68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
import os
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import tempfile
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from collections import OrderedDict
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from zipfile import ZipFile
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from django import forms
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from django.dispatch import receiver
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from django.utils.translation import ugettext_lazy as _
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from pretix.base.models import QuestionAnswer
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from ..exporter import BaseExporter
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from ..signals import register_data_exporters
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class AnswerFilesExporter(BaseExporter):
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identifier = 'answerfiles'
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verbose_name = _('Answers to file upload questions')
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@property
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def export_form_fields(self):
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return OrderedDict(
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[
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('questions',
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forms.ModelMultipleChoiceField(
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queryset=self.event.questions.filter(type='F'),
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label=_('Questions'),
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widget=forms.CheckboxSelectMultiple(
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attrs={'class': 'scrolling-multiple-choice'}
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),
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required=False
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)),
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]
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)
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def render(self, form_data: dict):
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qs = QuestionAnswer.objects.filter(
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orderposition__order__event=self.event,
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).select_related('orderposition', 'orderposition__order', 'question')
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if form_data.get('questions'):
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qs = qs.filter(question__in=form_data['questions'])
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with tempfile.TemporaryDirectory() as d:
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any = False
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with ZipFile(os.path.join(d, 'tmp.zip'), 'w') as zipf:
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for i in qs:
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if i.file:
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i.file.open('rb')
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fname = '{}-{}-{}-q{}-{}'.format(
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self.event.slug.upper(),
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i.orderposition.order.code,
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i.orderposition.positionid,
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i.question.pk,
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os.path.basename(i.file.name).split('.', 1)[1]
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)
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any = True
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zipf.writestr(fname, i.file.read())
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i.file.close()
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if not any:
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return None
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with open(os.path.join(d, 'tmp.zip'), 'rb') as zipf:
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return '{}_answers.zip'.format(self.event.slug), 'application/zip', zipf.read()
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@receiver(register_data_exporters, dispatch_uid="exporter_answers")
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def register_anwers_export(sender, **kwargs):
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return AnswerFilesExporter
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