51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
from django.db.models.signals import pre_delete
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from django.dispatch import receiver
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from accounts.models import *
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from permissions.models import *
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"""
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As permissions objects do not use a foreign key but instead an integer field
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on the foreign object id, we can rely on database cascade deletion to delete
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outaded permissions and we have to do it our-self.
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"""
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@receiver(pre_delete, sender=User, dispatch_uid="clean_user_perms")
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def clean_user_perms(sender, instance, **kwargs):
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# Clean global permissions
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perms = GlobalPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_USER)
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perms.delete()
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# Clean project permissions
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perms = ProjectPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_USER)
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perms.delete()
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@receiver(pre_delete, sender=Group, dispatch_uid="clean_group_perms")
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def clean_group_perms(sender, instance, **kwargs):
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# Clean global permissions
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perms = GlobalPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_GROUP)
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perms.delete()
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# Clean project permissions
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perms = ProjectPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_GROUP)
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perms.delete()
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@receiver(pre_delete, sender=Team, dispatch_uid="clean_team_perms")
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def clean_team_perms(sender, instance, **kwargs):
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print(instance)
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print(instance.id)
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# Clean global permissions
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perms = GlobalPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_TEAM)
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print(perms)
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perms.delete()
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# Clean project permissions
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perms = ProjectPermission.objects.filter(grantee_id=instance.id,
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grantee_type=GlobalPermission.GRANTEE_TEAM)
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perms.delete()
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