Files
pretix_original/src/pretix/plugins/ticketoutputpdf/exporters.py
2019-02-01 16:48:58 +01:00

99 lines
3.5 KiB
Python

from collections import OrderedDict
from io import BytesIO
from django import forms
from django.conf import settings
from django.core.files.base import ContentFile
from django.db.models.functions import Coalesce
from django.utils.translation import ugettext as _
from jsonfallback.functions import JSONExtract
from PyPDF2.merger import PdfFileMerger
from pretix.base.exporter import BaseExporter
from pretix.base.i18n import language
from pretix.base.models import Order, OrderPosition
from pretix.base.settings import PERSON_NAME_SCHEMES
from .ticketoutput import PdfTicketOutput
class AllTicketsPDF(BaseExporter):
name = "alltickets"
verbose_name = _("All PDF tickets in one file")
identifier = "pdfoutput_all_tickets"
@property
def export_form_fields(self):
name_scheme = PERSON_NAME_SCHEMES[self.event.settings.name_scheme]
d = OrderedDict(
[
('include_pending',
forms.BooleanField(
label=_('Include pending orders'),
required=False
)),
('order_by',
forms.ChoiceField(
label=_('Sort by'),
choices=[
('name', _('Attendee name')),
('code', _('Order code')),
] + ([
('name:{}'.format(k), _('Attendee name: {part}').format(part=label))
for k, label, w in name_scheme['fields']
] if settings.JSON_FIELD_AVAILABLE and len(name_scheme['fields']) > 1 else []),
)),
]
)
return d
def render(self, form_data):
merger = PdfFileMerger()
o = PdfTicketOutput(self.event)
qs = OrderPosition.objects.filter(
order__event=self.event
).prefetch_related(
'answers', 'answers__question'
).select_related('order', 'item', 'variation', 'addon_to')
if form_data.get('include_pending'):
qs = qs.filter(order__status__in=[Order.STATUS_PAID, Order.STATUS_PENDING])
else:
qs = qs.filter(order__status__in=[Order.STATUS_PAID])
if form_data.get('order_by') == 'name':
qs = qs.order_by('attendee_name_cached', 'order__code')
elif form_data.get('order_by') == 'code':
qs = qs.order_by('order__code')
elif form_data.get('order_by', '').startswith('name:'):
part = form_data['order_by'][5:]
qs = qs.annotate(
resolved_name=Coalesce('attendee_name_parts', 'addon_to__attendee_name_parts', 'order__invoice_address__name_parts')
).annotate(
resolved_name_part=JSONExtract('resolved_name', part)
).order_by(
'resolved_name_part'
)
for op in qs:
if not op.generate_ticket:
continue
with language(op.order.locale):
layout = o.layout_map.get(
(op.item_id, op.order.sales_channel),
o.layout_map.get(
(op.item_id, 'web'),
o.default_layout
)
)
outbuffer = o._draw_page(layout, op, op.order)
merger.append(ContentFile(outbuffer.read()))
outbuffer = BytesIO()
merger.write(outbuffer)
merger.close()
outbuffer.seek(0)
return '{}_tickets.pdf'.format(self.event.slug), 'application/pdf', outbuffer.read()