26 lines
929 B
Python
26 lines
929 B
Python
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from django.db.models.signals import pre_save, pre_delete
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from django.dispatch import receiver
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from .models import WebApp
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# Admin bulk deletion doesn't call model.delete()
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# So, signals are used instead of model method overriding
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@receiver(pre_save, sender=WebApp, dispatch_uid='webapps.type.save')
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def type_save(sender, *args, **kwargs):
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instance = kwargs['instance']
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# Since a webapp might need to cleanup its old config files, the data
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# from the OLD VERSION of the webapp is needed.
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if instance.pk:
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instance._old_self = type(instance).objects.get(id=instance.pk)
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instance.type_instance.save()
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@receiver(pre_delete, sender=WebApp, dispatch_uid='webapps.type.delete')
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def type_delete(sender, *args, **kwargs):
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instance = kwargs['instance']
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instance._old_self = type(instance).objects.get(id=instance.pk)
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try:
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instance.type_instance.delete()
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except KeyError:
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pass
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