def sync_last_active_at():
"""
Update User model with the active_at timestamp from Redis. We first fetch
all the user_ids to update, and then fetch the timestamp to minimize the
time between fetching the value and updating the DB. This is because there
might be a more recent update we skip otherwise.
"""
user_ids = redis_connection.hkeys(LAST_ACTIVE_KEY)
for user_id in user_ids:
timestamp = redis_connection.hget(LAST_ACTIVE_KEY, user_id)
active_at = dt_from_timestamp(timestamp)
user = User.query.filter(User.id == user_id).first()
if user:
user.active_at = active_at
redis_connection.hdel(LAST_ACTIVE_KEY, user_id)
db.session.commit()
def sync_last_active_at():
"""
Update User model with the active_at timestamp from Redis. We first fetch
all the user_ids to update, and then fetch the timestamp to minimize the
time between fetching the value and updating the DB. This is because there
might be a more recent update we skip otherwise.
"""
user_ids = redis_connection.hkeys(LAST_ACTIVE_KEY)
for user_id in user_ids:
timestamp = redis_connection.hget(LAST_ACTIVE_KEY, user_id)
active_at = dt_from_timestamp(timestamp)
user = User.query.filter(User.id == user_id).first()
if user:
user.active_at = active_at
redis_connection.hdel(LAST_ACTIVE_KEY, user_id)
db.session.commit()