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86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
from __future__ import absolute_import
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import datetime
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import logging
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from typing import Any, List
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from django.utils.timezone import now as timezone_now
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from zerver.lib.queue import queue_json_publish
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from zerver.models import UserActivity, UserProfile, Realm
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## Logging setup ##
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log_format = "%(asctime)s: %(message)s"
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logging.basicConfig(format=log_format)
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formatter = logging.Formatter(log_format)
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file_handler = logging.FileHandler(settings.DIGEST_LOG_PATH)
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file_handler.setFormatter(formatter)
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.DEBUG)
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logger.addHandler(file_handler)
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VALID_DIGEST_DAY = 1 # Tuesdays
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DIGEST_CUTOFF = 5
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def inactive_since(user_profile, cutoff):
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# type: (UserProfile, datetime.datetime) -> bool
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# Hasn't used the app in the last DIGEST_CUTOFF (5) days.
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most_recent_visit = [row.last_visit for row in
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UserActivity.objects.filter(
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user_profile=user_profile)]
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if not most_recent_visit:
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# This person has never used the app.
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return True
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last_visit = max(most_recent_visit)
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return last_visit < cutoff
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# Changes to this should also be reflected in
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# zerver/worker/queue_processors.py:DigestWorker.consume()
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def queue_digest_recipient(user_profile, cutoff):
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# type: (UserProfile, datetime.datetime) -> None
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# Convert cutoff to epoch seconds for transit.
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event = {"user_profile_id": user_profile.id,
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"cutoff": cutoff.strftime('%s')}
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queue_json_publish("digest_emails", event, lambda event: None)
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def should_process_digest(realm_str):
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# type: (str) -> bool
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if realm_str in settings.SYSTEM_ONLY_REALMS:
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# Don't try to send emails to system-only realms
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return False
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return True
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class Command(BaseCommand):
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help = """Enqueue digest emails for users that haven't checked the app
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in a while.
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"""
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def handle(self, *args, **options):
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# type: (*Any, **Any) -> None
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# To be really conservative while we don't have user timezones or
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# special-casing for companies with non-standard workweeks, only
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# try to send mail on Tuesdays.
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if timezone_now().weekday() != VALID_DIGEST_DAY:
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return
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for realm in Realm.objects.filter(deactivated=False, show_digest_email=True):
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if not should_process_digest(realm.string_id):
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continue
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user_profiles = UserProfile.objects.filter(
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realm=realm, is_active=True, is_bot=False, enable_digest_emails=True)
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for user_profile in user_profiles:
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cutoff = timezone_now() - datetime.timedelta(days=DIGEST_CUTOFF)
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if inactive_since(user_profile, cutoff):
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queue_digest_recipient(user_profile, cutoff)
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logger.info("%s is inactive, queuing for potential digest" % (
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user_profile.email,))
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