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Fix 'helpers_required_total' metric

This commit is contained in:
Luca 2023-05-08 18:11:29 +02:00
parent 36cc1a5fec
commit 366f367a7d
1 changed files with 5 additions and 3 deletions
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8
shiftregister/metrics/views.py
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@ -1,6 +1,5 @@
from django.db import models
from django.db.models import Count, Case, F, When, Sum
from django.db.models.functions import Coalesce
from django.http import HttpResponse
from shiftregister.app.models import Helper, Shift, ShiftRegistration, Message
@ -42,8 +41,11 @@ def metrics(request):
"helpers_required_total",
Shift.objects.filter(deleted=False)
.annotate(
real_required_helpers=Coalesce(
F("required_helpers"), F("room__required_helpers")
real_required_helpers=Case(
When(
required_helpers=0, then=F("room__required_helpers")
),
default=F("required_helpers"),
)
)
.aggregate(sum=Sum("real_required_helpers"))["sum"],