16 lines
492 B
Python
16 lines
492 B
Python
from django.db.models import Q, Sum
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from django.db.models.functions import Coalesce
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from accounts.models import Participation
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def query_sum(queryset, field):
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return queryset.aggregate(s=Coalesce(Sum(field), 0))['s']
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def allowed_talks(talks, request):
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participation = Participation.on_site.get(user=request.user)
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if not participation.orga:
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talks = talks.filter(Q(topics__reviewers=participation) | Q(speakers=request.user) | Q(proposer=request.user))
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return talks
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