38 lines
1.2 KiB
Python

from datetime import timedelta
from django.contrib.auth.models import User
from django.core.management.base import BaseCommand
from django.db.models import Count
from django.utils import timezone
class Command(BaseCommand):
help = """Prune old, inactive user accounts.
Conditions for removing an user account:
- created 1+ month ago and never logged in.
Use case: visitor types in their email at the website but
never follows through with login.
- not logged in for 1 month, and has no checks
Use case: user wants to remove their account. So they
remove all checks and leave the account at that.
"""
def handle(self, *args, **options):
cutoff = timezone.now() - timedelta(days=31)
# Old accounts, never logged in
q = User.objects
q = q.filter(date_joined__lt=cutoff, last_login=None)
n1, _ = q.delete()
# Not logged in for 1 month, 0 checks
q = User.objects
q = q.annotate(n_checks=Count("check"))
q = q.filter(last_login__lt=cutoff, n_checks=0)
n2, _ = q.delete()
return "Done! Pruned %d user accounts." % (n1 + n2)