30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
from django.dispatch import Signal, receiver
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from django.db.models.signals import m2m_changed
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from .models import Talk, Topic
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from accounts.models import Participation
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__all__ = [ 'talk_added', 'talk_edited' ]
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talk_added = Signal(providing_args=["sender", "instance", "author"])
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talk_edited = Signal(providing_args=["sender", "instance", "author"])
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@receiver(m2m_changed, sender=Talk.speakers.through, dispatch_uid="Create Participation for speakers")
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def create_participation_for_speakers(sender, instance, action, reverse, model, pk_set, using, **kwargs):
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if action != "pre_add":
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pass
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for speaker in instance.speakers.all():
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Participation.objects.get_or_create(user=speaker, site=instance.site)
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@receiver(m2m_changed, sender=Topic.reviewers.through, dispatch_uid="Create Participation for reviewers")
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def create_participation_for_reviewers(sender, instance, action, reverse, model, pk_set, using, **kwargs):
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if action != "pre_add":
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pass
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for reviewer in instance.reviewers.all():
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Participation.objects.get_or_create(user=reviewer, site=instance.site)
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