zulip/zerver/actions/user_activity.py

55 lines
2.1 KiB
Python

import datetime
from zerver.decorator import statsd_increment
from zerver.lib.queue import queue_json_publish
from zerver.lib.timestamp import datetime_to_timestamp
from zerver.models import UserActivity, UserActivityInterval, UserProfile
def do_update_user_activity_interval(
user_profile: UserProfile, log_time: datetime.datetime
) -> None:
effective_end = log_time + UserActivityInterval.MIN_INTERVAL_LENGTH
# This code isn't perfect, because with various races we might end
# up creating two overlapping intervals, but that shouldn't happen
# often, and can be corrected for in post-processing
try:
last = UserActivityInterval.objects.filter(user_profile=user_profile).order_by("-end")[0]
# Two intervals overlap iff each interval ends after the other
# begins. In this case, we just extend the old interval to
# include the new interval.
if log_time <= last.end and effective_end >= last.start:
last.end = max(last.end, effective_end)
last.start = min(last.start, log_time)
last.save(update_fields=["start", "end"])
return
except IndexError:
pass
# Otherwise, the intervals don't overlap, so we should make a new one
UserActivityInterval.objects.create(
user_profile=user_profile, start=log_time, end=effective_end
)
@statsd_increment("user_activity")
def do_update_user_activity(
user_profile_id: int, client_id: int, query: str, count: int, log_time: datetime.datetime
) -> None:
(activity, created) = UserActivity.objects.get_or_create(
user_profile_id=user_profile_id,
client_id=client_id,
query=query,
defaults={"last_visit": log_time, "count": count},
)
if not created:
activity.count += count
activity.last_visit = log_time
activity.save(update_fields=["last_visit", "count"])
def update_user_activity_interval(user_profile: UserProfile, log_time: datetime.datetime) -> None:
event = {"user_profile_id": user_profile.id, "time": datetime_to_timestamp(log_time)}
queue_json_publish("user_activity_interval", event)