CGM_Public/pretix_original
2
0
Fork 1
mirror of https://github.com/pretix/pretix.git synced 2026-04-29 00:12:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optimize the check-in list view

Browse Source
This commit is contained in:
Raphael Michel
2019-02-11 15:58:39 +01:00
parent ae9b8bafb8
commit d9d1c83218
1 changed files with 20 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/pretix/control/views/checkin.py
View File

@@ -135,14 +135,32 @@ class CheckinListList(EventPermissionRequiredMixin, PaginationMixin, ListView):
template_name = 'pretixcontrol/checkin/lists.html'
def get_queryset(self):
qs = self.request.event.checkin_lists.prefetch_related("limit_products")
qs = CheckinList.annotate_with_numbers(qs, self.request.event)
qs = self.request.event.checkin_lists.select_related('subevent').prefetch_related("limit_products")
if self.request.GET.get("subevent", "") != "":
s = self.request.GET.get("subevent", "")
qs = qs.filter(subevent_id=s)
return qs
def get_context_data(self, **kwargs):
ctx = super().get_context_data(**kwargs)
clists = list(ctx['checkinlists'])
# Optimization: Fetch expensive columns for this page only
annotations = {
a['pk']: a
for a in CheckinList.annotate_with_numbers(CheckinList.objects.filter(pk__in=[l.pk for l in clists]), self.request.event).values(
'pk', 'checkin_count', 'position_count', 'percent'
)
}
for cl in clists:
cl.subevent.event = self.request.event # re-use same event object to make sure settings are cached
cl.checkin_count = annotations.get(cl.pk, {}).get('checkin_count', 0)
cl.position_count = annotations.get(cl.pk, {}).get('position_count', 0)
cl.percent_count = annotations.get(cl.pk, {}).get('percent_count', 0)
ctx['checkinlists'] = clists
return ctx
class CheckinListCreate(EventPermissionRequiredMixin, CreateView):
model = CheckinList