uncloud-mravi/uncloud/selectors.py
Nico Schottelius a463bcf7bd Late commits
2021-06-20 11:51:27 +02:00

23 lines
624 B
Python

from django.db.models import Q
from django.utils import timezone
def filter_for_when(queryset, when=None):
"""
Return a filtered queryset which is valid for the given date
Logic:
Look for entries that have a starting date before when
and either
- No ending date
- Ending date after "when"
Returns a queryset, you'll neet to apply .first() or similar on it
"""
if not when:
when = timezone.now()
return queryset.filter(starting_date__lte=when).filter(Q(ending_date__gte=when) |
Q(ending_date__isnull=True))