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Delete remote posts after a set horizon time
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parent
b60e807b91
commit
8cc1691857
2 changed files with 28 additions and 2 deletions
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@ -8,6 +8,7 @@ from urllib.parse import urlparse
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import httpx
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import urlman
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from django.conf import settings
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from django.contrib.postgres.indexes import GinIndex
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from django.contrib.postgres.search import SearchVector
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from django.db import models, transaction
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@ -47,14 +48,15 @@ from users.models.system_actor import SystemActor
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class PostStates(StateGraph):
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new = State(try_interval=300)
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fanned_out = State(externally_progressed=True)
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fanned_out = State(try_interval=86400 * 14)
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deleted = State(try_interval=300)
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deleted_fanned_out = State(delete_after=24 * 60 * 60)
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deleted_fanned_out = State(delete_after=86400)
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edited = State(try_interval=300)
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edited_fanned_out = State(externally_progressed=True)
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new.transitions_to(fanned_out)
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fanned_out.transitions_to(deleted_fanned_out)
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fanned_out.transitions_to(deleted)
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fanned_out.transitions_to(edited)
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@ -87,6 +89,25 @@ class PostStates(StateGraph):
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instance.ensure_hashtags()
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return cls.fanned_out
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@classmethod
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def handle_fanned_out(cls, instance: "Post"):
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"""
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For remote posts, sees if we can delete them every so often.
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"""
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# To be a candidate for deletion, a post must be remote and old enough
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if instance.local:
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return
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if instance.created > timezone.now() - datetime.timedelta(
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days=settings.SETUP.REMOTE_PRUNE_HORIZON
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):
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return
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# It must have no local interactions
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if instance.interactions.filter(identity__local=True).exists():
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return
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# OK, delete it!
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instance.delete()
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return cls.deleted_fanned_out
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@classmethod
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def handle_deleted(cls, instance: "Post"):
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"""
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@ -143,6 +143,11 @@ class Settings(BaseSettings):
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#: Default cache backend
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CACHES_DEFAULT: CacheBackendUrl | None = None
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# How long to wait, in days, until remote posts/profiles are pruned from
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# our database if nobody local has interacted with them. Must be in rough
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# multiples of two weeks.
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REMOTE_PRUNE_HORIZON: int = 60
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# Stator tuning
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STATOR_CONCURRENCY: int = 50
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STATOR_CONCURRENCY_PER_MODEL: int = 15
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