Files
pretix_cgo/src/pretix/api/views/checkin.py
2017-12-20 15:08:14 +01:00

144 lines
5.3 KiB
Python

import django_filters
from django.db.models import F, Max, OuterRef, Prefetch, Q, Subquery
from django.db.models.functions import Coalesce
from django.shortcuts import get_object_or_404
from django.utils.functional import cached_property
from django_filters.rest_framework import DjangoFilterBackend, FilterSet
from rest_framework import viewsets
from pretix.api.serializers.checkin import CheckinListSerializer
from pretix.api.serializers.order import OrderPositionSerializer
from pretix.api.views import RichOrderingFilter
from pretix.base.models import Checkin, CheckinList, Order, OrderPosition
from pretix.base.models.organizer import TeamAPIToken
from pretix.helpers.database import FixedOrderBy
class CheckinListFilter(FilterSet):
class Meta:
model = CheckinList
fields = ['subevent']
class CheckinListViewSet(viewsets.ModelViewSet):
serializer_class = CheckinListSerializer
queryset = CheckinList.objects.none()
filter_backends = (DjangoFilterBackend,)
filter_class = CheckinListFilter
permission = 'can_view_orders'
write_permission = 'can_change_event_settings'
def get_queryset(self):
qs = self.request.event.checkin_lists.prefetch_related(
'limit_products',
)
qs = CheckinList.annotate_with_numbers(qs, self.request.event)
return qs
def perform_create(self, serializer):
serializer.save(event=self.request.event)
serializer.instance.log_action(
'pretix.event.checkinlist.added',
user=self.request.user,
api_token=(self.request.auth if isinstance(self.request.auth, TeamAPIToken) else None),
data=self.request.data
)
def get_serializer_context(self):
ctx = super().get_serializer_context()
ctx['event'] = self.request.event
return ctx
def perform_update(self, serializer):
serializer.save(event=self.request.event)
serializer.instance.log_action(
'pretix.event.checkinlist.changed',
user=self.request.user,
api_token=(self.request.auth if isinstance(self.request.auth, TeamAPIToken) else None),
data=self.request.data
)
def perform_destroy(self, instance):
instance.log_action(
'pretix.event.checkinlist.deleted',
user=self.request.user,
api_token=(self.request.auth if isinstance(self.request.auth, TeamAPIToken) else None),
)
super().perform_destroy(instance)
class OrderPositionFilter(FilterSet):
order = django_filters.CharFilter(name='order', lookup_expr='code')
has_checkin = django_filters.rest_framework.BooleanFilter(method='has_checkin_qs')
attendee_name = django_filters.CharFilter(method='attendee_name_qs')
def has_checkin_qs(self, queryset, name, value):
return queryset.filter(last_checked_in__isnull=not value)
def attendee_name_qs(self, queryset, name, value):
return queryset.filter(Q(attendee_name=value) | Q(addon_to__attendee_name=value))
class Meta:
model = OrderPosition
fields = ['item', 'variation', 'attendee_name', 'secret', 'order', 'has_checkin', 'addon_to', 'subevent']
class CheckinListPositionViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = OrderPositionSerializer
queryset = OrderPosition.objects.none()
filter_backends = (DjangoFilterBackend, RichOrderingFilter)
ordering = ('attendee_name', 'positionid')
ordering_fields = (
'order__code', 'order__datetime', 'positionid', 'attendee_name',
'last_checked_in', 'order__email',
)
ordering_custom = {
'attendee_name': {
'_order': F('display_name').asc(nulls_first=True),
'display_name': Coalesce('attendee_name', 'addon_to__attendee_name')
},
'-attendee_name': {
'_order': F('display_name').desc(nulls_last=True),
'display_name': Coalesce('attendee_name', 'addon_to__attendee_name')
},
'last_checked_in': {
'_order': FixedOrderBy(F('last_checked_in'), nulls_first=True),
},
'-last_checked_in': {
'_order': FixedOrderBy(F('last_checked_in'), nulls_last=True, descending=True),
},
}
filter_class = OrderPositionFilter
permission = 'can_view_orders'
@cached_property
def checkinlist(self):
return get_object_or_404(CheckinList, event=self.request.event, pk=self.kwargs.get("list"))
def get_queryset(self):
cqs = Checkin.objects.filter(
position_id=OuterRef('pk'),
list_id=self.checkinlist.pk
).order_by().values('position_id').annotate(
m=Max('datetime')
).values('m')
qs = OrderPosition.objects.filter(
order__event=self.request.event,
order__status=Order.STATUS_PAID,
subevent=self.checkinlist.subevent
).annotate(
last_checked_in=Subquery(cqs)
).prefetch_related(
Prefetch(
lookup='checkins',
queryset=Checkin.objects.filter(list_id=self.checkinlist.pk)
)
).select_related('item', 'variation', 'order', 'addon_to')
if not self.checkinlist.all_products:
qs = qs.filter(item__in=self.checkinlist.limit_products.values_list('id', flat=True))
return qs