Files
pretix_cgo/src/pretix/plugins/ticketoutputpdf/api.py
Raphael Michel e5528f7784 Writable API for ticket layouts (#3004)
Co-authored-by: Richard Schreiber <schreiber@rami.io>
2023-01-09 13:44:01 +01:00

134 lines
4.9 KiB
Python

#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io 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.conf import settings
from django.db import transaction
from rest_framework import viewsets
from rest_framework.exceptions import ValidationError
from pretix.api.serializers.i18n import I18nAwareModelSerializer
from pretix.api.serializers.order import CompatibleJSONField
from ...api.serializers.fields import UploadedFileField
from ...base.pdf import PdfLayoutValidator
from ...multidomain.utils import static_absolute
from .models import TicketLayout, TicketLayoutItem
class ItemAssignmentSerializer(I18nAwareModelSerializer):
class Meta:
model = TicketLayoutItem
fields = ('id', 'layout', 'item', 'sales_channel')
class NestedItemAssignmentSerializer(I18nAwareModelSerializer):
class Meta:
model = TicketLayoutItem
fields = ('item', 'sales_channel')
class TicketLayoutSerializer(I18nAwareModelSerializer):
layout = CompatibleJSONField(
validators=[PdfLayoutValidator()]
)
item_assignments = NestedItemAssignmentSerializer(many=True, read_only=True)
background = UploadedFileField(required=False, allow_null=True, allowed_types=(
'application/pdf',
), max_size=settings.FILE_UPLOAD_MAX_SIZE_IMAGE)
class Meta:
model = TicketLayout
fields = ('id', 'name', 'default', 'layout', 'background', 'item_assignments')
def to_representation(self, instance):
d = super().to_representation(instance)
if not d['background']:
d['background'] = static_absolute(instance.event, "pretixpresale/pdf/ticket_default_a4.pdf")
return d
def validate(self, attrs):
if attrs.get('default') and self.context['event'].ticket_layouts.filter(default=True).exists:
raise ValidationError('You cannot have two layouts with default = True')
return attrs
def create(self, validated_data):
validated_data["event"] = self.context["event"]
return super().create(validated_data)
class TicketLayoutViewSet(viewsets.ModelViewSet):
serializer_class = TicketLayoutSerializer
queryset = TicketLayout.objects.none()
lookup_field = 'id'
def get_queryset(self):
return self.request.event.ticket_layouts.all()
def get_serializer_context(self):
return {
**super().get_serializer_context(),
'event': self.request.event,
}
@transaction.atomic()
def perform_destroy(self, instance):
instance.log_action(
action='pretix.plugins.ticketoutputpdf.layout.deleted',
user=self.request.user, auth=self.request.auth
)
super().perform_destroy(instance)
if not self.request.event.ticket_layouts.filter(default=True).exists():
f = self.request.event.ticket_layouts.first()
if f:
f.default = True
f.save(update_fields=['default'])
@transaction.atomic()
def perform_create(self, serializer):
super().perform_create(serializer)
serializer.instance.log_action(
action='pretix.plugins.ticketoutputpdf.layout.added',
user=self.request.user,
auth=self.request.auth,
data=self.request.data,
)
@transaction.atomic()
def perform_update(self, serializer):
super().perform_update(serializer)
serializer.instance.log_action(
action='pretix.plugins.ticketoutputpdf.layout.changed',
user=self.request.user,
auth=self.request.auth,
data=self.request.data,
)
class TicketLayoutItemViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = ItemAssignmentSerializer
queryset = TicketLayoutItem.objects.none()
lookup_field = 'id'
def get_queryset(self):
return TicketLayoutItem.objects.filter(item__event=self.request.event)