core/homeassistant/components/august/activity.py

125 lines
4.3 KiB
Python

"""Consume the august activity stream."""
import logging
from aiohttp import ClientError
from homeassistant.util.dt import utcnow
from .const import ACTIVITY_UPDATE_INTERVAL
from .subscriber import AugustSubscriberMixin
_LOGGER = logging.getLogger(__name__)
ACTIVITY_STREAM_FETCH_LIMIT = 10
ACTIVITY_CATCH_UP_FETCH_LIMIT = 1000
class ActivityStream(AugustSubscriberMixin):
"""August activity stream handler."""
def __init__(self, hass, api, august_gateway, house_ids):
"""Init August activity stream object."""
super().__init__(hass, ACTIVITY_UPDATE_INTERVAL)
self._hass = hass
self._august_gateway = august_gateway
self._api = api
self._house_ids = house_ids
self._latest_activities_by_id_type = {}
self._last_update_time = None
self._abort_async_track_time_interval = None
async def async_setup(self):
"""Token refresh check and catch up the activity stream."""
await self._async_refresh(utcnow)
def get_latest_device_activity(self, device_id, activity_types):
"""Return latest activity that is one of the acitivty_types."""
if device_id not in self._latest_activities_by_id_type:
return None
latest_device_activities = self._latest_activities_by_id_type[device_id]
latest_activity = None
for activity_type in activity_types:
if activity_type in latest_device_activities:
if (
latest_activity is not None
and latest_device_activities[activity_type].activity_start_time
<= latest_activity.activity_start_time
):
continue
latest_activity = latest_device_activities[activity_type]
return latest_activity
async def _async_refresh(self, time):
"""Update the activity stream from August."""
# This is the only place we refresh the api token
await self._august_gateway.async_refresh_access_token_if_needed()
await self._async_update_device_activities(time)
async def _async_update_device_activities(self, time):
_LOGGER.debug("Start retrieving device activities")
limit = (
ACTIVITY_STREAM_FETCH_LIMIT
if self._last_update_time
else ACTIVITY_CATCH_UP_FETCH_LIMIT
)
for house_id in self._house_ids:
_LOGGER.debug("Updating device activity for house id %s", house_id)
try:
activities = await self._api.async_get_house_activities(
self._august_gateway.access_token, house_id, limit=limit
)
except ClientError as ex:
_LOGGER.error(
"Request error trying to retrieve activity for house id %s: %s",
house_id,
ex,
)
# Make sure we process the next house if one of them fails
continue
_LOGGER.debug(
"Completed retrieving device activities for house id %s", house_id
)
updated_device_ids = self._process_newer_device_activities(activities)
if updated_device_ids:
for device_id in updated_device_ids:
_LOGGER.debug(
"async_signal_device_id_update (from activity stream): %s",
device_id,
)
self.async_signal_device_id_update(device_id)
self._last_update_time = time
def _process_newer_device_activities(self, activities):
updated_device_ids = set()
for activity in activities:
self._latest_activities_by_id_type.setdefault(activity.device_id, {})
lastest_activity = self._latest_activities_by_id_type[
activity.device_id
].get(activity.activity_type)
# Ignore activities that are older than the latest one
if (
lastest_activity
and lastest_activity.activity_start_time >= activity.activity_start_time
):
continue
self._latest_activities_by_id_type[activity.device_id][
activity.activity_type
] = activity
updated_device_ids.add(activity.device_id)
return updated_device_ids