Files
pretix_original/src/pretix/control/views/search.py
2019-02-06 09:52:11 +01:00

67 lines
2.4 KiB
Python

from django.db.models import Count, IntegerField, OuterRef, Q, Subquery
from django.utils.functional import cached_property
from django.views.generic import ListView
from pretix.base.models import Order, OrderPosition
from pretix.control.forms.filter import OrderSearchFilterForm
from pretix.control.views import LargeResultSetPaginator, PaginationMixin
class OrderSearch(PaginationMixin, ListView):
model = Order
paginator_class = LargeResultSetPaginator
context_object_name = 'orders'
template_name = 'pretixcontrol/search/orders.html'
@cached_property
def filter_form(self):
return OrderSearchFilterForm(data=self.request.GET, request=self.request)
def get_context_data(self, **kwargs):
ctx = super().get_context_data()
ctx['filter_form'] = self.filter_form
# Only compute this annotations for this page (query optimization)
s = OrderPosition.objects.filter(
order=OuterRef('pk')
).order_by().values('order').annotate(k=Count('id')).values('k')
annotated = {
o['pk']: o
for o in
Order.objects.filter(
pk__in=[o.pk for o in ctx['orders']]
).annotate(
pcnt=Subquery(s, output_field=IntegerField())
).values(
'pk', 'pcnt',
)
}
for o in ctx['orders']:
if o.pk not in annotated:
continue
o.pcnt = annotated.get(o.pk)['pcnt']
return ctx
def get_queryset(self):
qs = Order.objects.select_related('invoice_address')
if not self.request.user.has_active_staff_session(self.request.session.session_key):
qs = qs.filter(
Q(event__organizer_id__in=self.request.user.teams.filter(
all_events=True, can_view_orders=True).values_list('organizer', flat=True))
| Q(event_id__in=self.request.user.teams.filter(
can_view_orders=True).values_list('limit_events__id', flat=True))
)
if self.filter_form.is_valid():
qs = self.filter_form.filter_qs(qs)
return qs.only(
'id', 'invoice_address__name_cached', 'invoice_address__name_parts', 'code', 'event', 'email',
'datetime', 'total', 'status', 'require_approval'
).prefetch_related(
'event', 'event__organizer'
)