djmail_delete_old_messages.py

# -*- encoding: utf-8 -*-

from datetime import datetime, timedelta
from django.core.management.base import BaseCommand
from djmail.models import Message


class Command(BaseCommand):
    help = 'Remove (succesfully sent) messages older than specified amount of days.'

    def add_arguments(self, parser):
        parser.add_argument(
            '--days',
            type=int,
            default=183,  # default = 6 months
            help='Number of days to use as cut-off for deletion')

    def handle(self, *args, **options):
        Message.objects.filter(
            sent_at__lt=datetime.now() - timedelta(days=options['days']),
            status=Message.STATUS_SENT).delete()