takahe/activities/management/commands/pruneposts.py

52 lines
1.8 KiB
Python

import datetime
import sys
from django.conf import settings
from django.core.management.base import BaseCommand
from django.utils import timezone
from activities.models import Post
class Command(BaseCommand):
help = "Prunes posts that are old, not local and have no local interaction"
def add_arguments(self, parser):
parser.add_argument(
"--number",
"-n",
type=int,
default=5000,
help="The maximum number of posts to prune at once",
)
def handle(self, number: int, *args, **options):
# Find a set of posts that match the initial criteria
print(f"Running query to find up to {number} old posts...")
posts = Post.objects.filter(
local=False,
created__lt=timezone.now()
- datetime.timedelta(days=settings.SETUP.REMOTE_PRUNE_HORIZON),
).exclude(interactions__identity__local=True)[:number]
post_ids_and_uris = dict(posts.values_list("object_uri", "id"))
print(f" found {len(post_ids_and_uris)}")
# Fetch all of their replies and exclude any that have local replies
print("Excluding ones with local replies...")
replies = Post.objects.filter(
local=True,
in_reply_to__in=post_ids_and_uris.keys(),
).values_list("in_reply_to", flat=True)
for reply in replies:
if reply and reply in post_ids_and_uris:
del post_ids_and_uris[reply]
# Delete them
print(f" down to {len(post_ids_and_uris)} to delete")
number_deleted, _ = Post.objects.filter(
id__in=post_ids_and_uris.values()
).delete()
print(f"Deleted {number_deleted} posts and dependencies")
if number_deleted == 0:
sys.exit(1)