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Optimize queries for pdf_data=true

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This commit is contained in:
Raphael Michel
2019-02-13 12:07:18 +01:00
parent 6e4af5da64
commit 937cec53f7
2 changed files with 65 additions and 13 deletions
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37
src/pretix/api/views/order.py
View File

@@ -26,8 +26,8 @@ from pretix.api.serializers.order import (
OrderRefundSerializer, OrderSerializer,
)
from pretix.base.models import (
CachedCombinedTicket, CachedTicket, Device, Invoice, Order, OrderPayment,
OrderPosition, OrderRefund, Quota, TeamAPIToken,
CachedCombinedTicket, CachedTicket, Device, Event, Invoice, Order,
OrderPayment, OrderPosition, OrderRefund, Quota, TeamAPIToken,
)
from pretix.base.payment import PaymentException
from pretix.base.services.invoices import (
@@ -83,6 +83,7 @@ class OrderViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
'positions',
OrderPosition.objects.all().prefetch_related(
'checkins', 'item', 'variation', 'answers', 'answers__options', 'answers__question',
'item__category', 'addon_to',
Prefetch('addons', OrderPosition.objects.select_related('item', 'variation'))
)
)
@@ -435,11 +436,33 @@ class OrderPositionViewSet(mixins.DestroyModelMixin, viewsets.ReadOnlyModelViewS
}
def get_queryset(self):
return OrderPosition.objects.filter(order__event=self.request.event).prefetch_related(
'checkins', 'answers', 'answers__options', 'answers__question'
).select_related(
'item', 'order', 'order__event', 'order__event__organizer'
)
qs = OrderPosition.objects.filter(order__event=self.request.event)
if self.request.query_params.get('pdf_data', 'false') == 'true':
qs = qs.prefetch_related(
'checkins', 'answers', 'answers__options', 'answers__question',
Prefetch('addons', OrderPosition.objects.select_related('item', 'variation')),
Prefetch('order', Order.objects.select_related('invoice_address').prefetch_related(
Prefetch(
'event',
Event.objects.select_related('organizer')
),
Prefetch(
'positions',
OrderPosition.objects.prefetch_related(
'checkins', 'item', 'variation', 'answers', 'answers__options', 'answers__question',
)
)
))
).select_related(
'item', 'variation', 'item__category', 'addon_to'
)
else:
qs = qs.prefetch_related(
'checkins', 'answers', 'answers__options', 'answers__question'
).select_related(
'item', 'order', 'order__event', 'order__event__organizer'
)
return qs
def _get_output_provider(self, identifier):
responses = register_ticket_outputs.send(self.request.event)