Parsa Nazer
10 lines
431 B
Python
10 lines
431 B
Python
from django.db import transaction
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from django.db.models.signals import post_save
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from django.dispatch import receiver
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from .models import UserAddressModel
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@receiver(post_save, sender=UserAddressModel)
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def ensure_single_main_address(sender, instance, **kwargs):
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if instance.is_main:
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with transaction.atomic():
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UserAddressModel.objects.filter(user=instance.user).exclude(pk=instance.pk).update(is_main=False) |