Files
pretix_original/src/pretix/base/exporters/invoices.py
2019-07-03 13:35:26 +02:00

118 lines
4.7 KiB
Python

import os
import tempfile
from collections import OrderedDict
from zipfile import ZipFile
import dateutil.parser
from django import forms
from django.db.models import Exists, OuterRef, Q
from django.dispatch import receiver
from django.utils.translation import ugettext_lazy as _
from pretix.base.models import OrderPayment
from ..exporter import BaseExporter
from ..services.invoices import invoice_pdf_task
from ..signals import register_data_exporters
class InvoiceExporter(BaseExporter):
identifier = 'invoices'
verbose_name = _('All invoices')
def render(self, form_data: dict, output_file=None):
qs = self.event.invoices.filter(shredded=False)
if form_data.get('payment_provider'):
qs = qs.annotate(
has_payment_with_provider=Exists(
OrderPayment.objects.filter(
Q(order=OuterRef('order_id')) & Q(provider=form_data.get('payment_provider'))
)
)
)
qs = qs.filter(has_payment_with_provider=1)
if form_data.get('date_from'):
date_value = form_data.get('date_from')
if isinstance(date_value, str):
date_value = dateutil.parser.parse(date_value).date()
qs = qs.filter(date__gte=date_value)
if form_data.get('date_to'):
date_value = form_data.get('date_to')
if isinstance(date_value, str):
date_value = dateutil.parser.parse(date_value).date()
qs = qs.filter(date__lte=date_value)
with tempfile.TemporaryDirectory() as d:
any = False
with ZipFile(output_file or os.path.join(d, 'tmp.zip'), 'w') as zipf:
for i in qs:
try:
if not i.file:
invoice_pdf_task.apply(args=(i.pk,))
i.refresh_from_db()
i.file.open('rb')
zipf.writestr('{}.pdf'.format(i.number), i.file.read())
any = True
i.file.close()
except FileNotFoundError:
invoice_pdf_task.apply(args=(i.pk,))
i.refresh_from_db()
i.file.open('rb')
zipf.writestr('{}.pdf'.format(i.number), i.file.read())
any = True
i.file.close()
if not any:
return None
if output_file:
return '{}_invoices.zip'.format(self.event.slug), 'application/zip', None
else:
with open(os.path.join(d, 'tmp.zip'), 'rb') as zipf:
return '{}_invoices.zip'.format(self.event.slug), 'application/zip', zipf.read()
@property
def export_form_fields(self):
return OrderedDict(
[
('date_from',
forms.DateField(
label=_('Start date'),
widget=forms.DateInput(attrs={'class': 'datepickerfield'}),
required=False,
help_text=_('Only include invoices issued on or after this date. Note that the invoice date does '
'not always correspond to the order or payment date.')
)),
('date_to',
forms.DateField(
label=_('End date'),
widget=forms.DateInput(attrs={'class': 'datepickerfield'}),
required=False,
help_text=_('Only include invoices issued on or before this date. Note that the invoice date '
'does not always correspond to the order or payment date.')
)),
('payment_provider',
forms.ChoiceField(
label=_('Payment provider'),
choices=[
('', _('All payment providers')),
] + [
(k, v.verbose_name) for k, v in self.event.get_payment_providers().items()
],
required=False,
help_text=_('Only include invoices for orders that have at least one payment attempt '
'with this payment provider. '
'Note that this might include some invoices of orders which in the end have been '
'fully or partially paid with a different provider.')
)),
]
)
@receiver(register_data_exporters, dispatch_uid="exporter_invoices")
def register_invoice_export(sender, **kwargs):
return InvoiceExporter