mirror of
https://github.com/zulip/zulip.git
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110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
from __future__ import absolute_import
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import datetime
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import pytz
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import logging
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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 zerver.lib.queue import queue_json_publish
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from zerver.models import UserActivity, UserProfile, get_realm, 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_DAYS = (1, 2, 3, 4)
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def inactive_since(user_profile, cutoff):
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# Hasn't used the app in the last 24 business-day hours.
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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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def last_business_day():
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one_day = datetime.timedelta(hours=23)
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previous_day = datetime.datetime.now(tz=pytz.utc) - one_day
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while previous_day.weekday() not in VALID_DIGEST_DAYS:
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previous_day -= one_day
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return previous_day
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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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# 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 domains_for_this_deployment():
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if settings.ZULIP_COM:
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# Voyager deployments don't have a Deployment entry.
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# Only send zulip.com digests on staging.
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from zilencer.models import Deployment
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site_url = settings.EXTERNAL_URI_SCHEME + settings.EXTERNAL_HOST.rstrip("/")
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try:
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deployment = Deployment.objects.select_related('realms').get(
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base_site_url__startswith=site_url)
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except Deployment.DoesNotExist:
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raise ValueError("digest: Unable to determine deployment.")
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return [r.domain for r in deployment.realms.all()]
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# Voyager and development.
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return []
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def should_process_digest(domain, deployment_domains):
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if settings.VOYAGER:
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# Voyager. We ship with a zulip.com realm for the feedback bot, but
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# don't try to send e-mails to it.
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return domain != "zulip.com"
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elif settings.PRODUCTION:
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# zulip.com or staging.zulip.com
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return domain in deployment_domains
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else:
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# Development
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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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# 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, Wednesdays, and Thursdays.
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if datetime.datetime.utcnow().weekday() not in VALID_DIGEST_DAYS:
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return
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deployment_domains = domains_for_this_deployment()
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for realm in Realm.objects.filter(deactivated=False, show_digest_email=True):
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domain = realm.domain
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if not should_process_digest(domain, deployment_domains):
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continue
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user_profiles = UserProfile.objects.filter(
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realm=get_realm(domain), is_active=True, is_bot=False,
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enable_digest_emails=True)
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for user_profile in user_profiles:
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cutoff = last_business_day()
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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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