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API: Allow bulk-cration of cart positions

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This commit is contained in:
Raphael Michel
2021-08-18 15:24:48 +02:00
parent c5fe615be5
commit eb77c2f6f6
6 changed files with 300 additions and 47 deletions
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2
src/pretix/__init__.py
View File

@@ -19,4 +19,4 @@
# 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/>.
#
__version__ = "4.2.0.dev0"
__version__ = "4.2.0.dev1"

2
src/pretix/api/auth/devicesecurity.py
View File

@@ -36,6 +36,7 @@ class AllowListSecurityProfile:
def is_allowed(self, request):
key = (request.method, f"{request.resolver_match.namespace}:{request.resolver_match.url_name}")
print(key)
return key in self.allowlist
@@ -163,6 +164,7 @@ class PretixPosSecurityProfile(AllowListSecurityProfile):
('POST', 'api-v1:orderrefund-list'),
('POST', 'api-v1:orderrefund-done'),
('POST', 'api-v1:cartposition-list'),
('POST', 'api-v1:cartposition-bulk-create'),
('GET', 'api-v1:checkinlist-list'),
('POST', 'api-v1:checkinlistpos-redeem'),
('POST', 'plugins:pretix_posbackend:order.posprintlog'),

91
src/pretix/api/serializers/cart.py
View File

@@ -73,53 +73,60 @@ class CartPositionCreateSerializer(I18nAwareModelSerializer):
minutes=self.context['event'].settings.get('reservation_time', as_type=int)
)
with self.context['event'].lock():
new_quotas = (validated_data.get('variation').quotas.filter(subevent=validated_data.get('subevent'))
if validated_data.get('variation')
else validated_data.get('item').quotas.filter(subevent=validated_data.get('subevent')))
if len(new_quotas) == 0:
new_quotas = (validated_data.get('variation').quotas.filter(subevent=validated_data.get('subevent'))
if validated_data.get('variation')
else validated_data.get('item').quotas.filter(subevent=validated_data.get('subevent')))
if len(new_quotas) == 0:
raise ValidationError(
gettext_lazy('The product "{}" is not assigned to a quota.').format(
str(validated_data.get('item'))
)
)
for quota in new_quotas:
avail = quota.availability(_cache=self.context['quota_cache'])
if avail[0] != Quota.AVAILABILITY_OK or (avail[1] is not None and avail[1] < 1):
raise ValidationError(
gettext_lazy('The product "{}" is not assigned to a quota.').format(
str(validated_data.get('item'))
gettext_lazy('There is not enough quota available on quota "{}" to perform '
'the operation.').format(
quota.name
)
)
for quota in new_quotas:
avail = quota.availability()
if avail[0] != Quota.AVAILABILITY_OK or (avail[1] is not None and avail[1] < 1):
raise ValidationError(
gettext_lazy('There is not enough quota available on quota "{}" to perform '
'the operation.').format(
quota.name
)
)
attendee_name = validated_data.pop('attendee_name', '')
if attendee_name and not validated_data.get('attendee_name_parts'):
validated_data['attendee_name_parts'] = {
'_legacy': attendee_name
}
seated = validated_data.get('item').seat_category_mappings.filter(subevent=validated_data.get('subevent')).exists()
if validated_data.get('seat'):
if not seated:
raise ValidationError('The specified product does not allow to choose a seat.')
try:
seat = self.context['event'].seats.get(seat_guid=validated_data['seat'], subevent=validated_data.get('subevent'))
except Seat.DoesNotExist:
raise ValidationError('The specified seat does not exist.')
except Seat.MultipleObjectsReturned:
raise ValidationError('The specified seat ID is not unique.')
else:
validated_data['seat'] = seat
if not seat.is_available(
sales_channel=validated_data.get('sales_channel', 'web'),
distance_ignore_cart_id=validated_data['cart_id'],
):
raise ValidationError(gettext_lazy('The selected seat "{seat}" is not available.').format(seat=seat.name))
elif seated:
raise ValidationError('The specified product requires to choose a seat.')
for quota in new_quotas:
newsize = self.context['quota_cache'][quota.pk][1] - 1
self.context['quota_cache'][quota.pk] = (
Quota.AVAILABILITY_OK if newsize > 9 else Quota.AVAILABILITY_GONE,
newsize
)
validated_data.pop('sales_channel')
cp = CartPosition.objects.create(event=self.context['event'], **validated_data)
attendee_name = validated_data.pop('attendee_name', '')
if attendee_name and not validated_data.get('attendee_name_parts'):
validated_data['attendee_name_parts'] = {
'_legacy': attendee_name
}
seated = validated_data.get('item').seat_category_mappings.filter(subevent=validated_data.get('subevent')).exists()
if validated_data.get('seat'):
if not seated:
raise ValidationError('The specified product does not allow to choose a seat.')
try:
seat = self.context['event'].seats.get(seat_guid=validated_data['seat'], subevent=validated_data.get('subevent'))
except Seat.DoesNotExist:
raise ValidationError('The specified seat does not exist.')
except Seat.MultipleObjectsReturned:
raise ValidationError('The specified seat ID is not unique.')
else:
validated_data['seat'] = seat
if not seat.is_available(
sales_channel=validated_data.get('sales_channel', 'web'),
distance_ignore_cart_id=validated_data['cart_id'],
):
raise ValidationError(gettext_lazy('The selected seat "{seat}" is not available.').format(seat=seat.name))
elif seated:
raise ValidationError('The specified product requires to choose a seat.')
validated_data.pop('sales_channel')
cp = CartPosition.objects.create(event=self.context['event'], **validated_data)
for answ_data in answers_data:
options = answ_data.pop('options')

55
src/pretix/api/views/cart.py
View File

@@ -21,14 +21,18 @@
#
from django.db import transaction
from rest_framework import status, viewsets
from rest_framework.decorators import action
from rest_framework.exceptions import ValidationError
from rest_framework.filters import OrderingFilter
from rest_framework.mixins import CreateModelMixin, DestroyModelMixin
from rest_framework.response import Response
from rest_framework.settings import api_settings
from pretix.api.serializers.cart import (
CartPositionCreateSerializer, CartPositionSerializer,
)
from pretix.base.models import CartPosition
from pretix.base.services.locking import NoLockManager
class CartPositionViewSet(CreateModelMixin, DestroyModelMixin, viewsets.ReadOnlyModelViewSet):
@@ -50,18 +54,61 @@ class CartPositionViewSet(CreateModelMixin, DestroyModelMixin, viewsets.ReadOnly
def get_serializer_context(self):
ctx = super().get_serializer_context()
ctx['event'] = self.request.event
ctx['quota_cache'] = {}
return ctx
def create(self, request, *args, **kwargs):
serializer = CartPositionCreateSerializer(data=request.data, context=self.get_serializer_context())
serializer.is_valid(raise_exception=True)
with transaction.atomic():
with transaction.atomic(), self.request.event.lock():
self.perform_create(serializer)
cp = serializer.instance
serializer = CartPositionSerializer(cp, context=serializer.context)
cp = serializer.instance
serializer = CartPositionSerializer(cp, context=serializer.context)
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
@action(detail=False, methods=['POST'])
def bulk_create(self, request, *args, **kwargs):
if not isinstance(request.data, list): # noqa
return Response({"error": "Please supply a list"}, status=status.HTTP_400_BAD_REQUEST)
ctx = self.get_serializer_context()
with transaction.atomic():
serializers = [
CartPositionCreateSerializer(data=d, context=ctx)
for d in request.data
]
lockfn = self.request.event.lock
if not any(s.is_valid(raise_exception=False) for s in serializers):
lockfn = NoLockManager
results = []
with lockfn():
for s in serializers:
if s.is_valid(raise_exception=False):
try:
cp = s.save()
except ValidationError as e:
results.append({
'success': False,
'data': None,
'errors': {api_settings.NON_FIELD_ERRORS_KEY: e.detail},
})
else:
results.append({
'success': True,
'data': CartPositionSerializer(cp, context=ctx).data,
'errors': None,
})
else:
results.append({
'success': False,
'data': None,
'errors': s.errors,
})
return Response({'results': results}, status=status.HTTP_200_OK)
def perform_create(self, serializer):
serializer.save()