core/homeassistant/components/switchbee/coordinator.py

101 lines
3.5 KiB
Python

"""SwitchBee integration Coordinator."""
from __future__ import annotations
from collections.abc import Mapping
from datetime import timedelta
import logging
from switchbee.api import CentralUnitPolling, CentralUnitWsRPC
from switchbee.api.central_unit import SwitchBeeError
from switchbee.device import DeviceType, SwitchBeeBaseDevice
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import format_mac
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import DOMAIN, SCAN_INTERVAL_SEC
_LOGGER = logging.getLogger(__name__)
class SwitchBeeCoordinator(DataUpdateCoordinator[Mapping[int, SwitchBeeBaseDevice]]):
"""Class to manage fetching SwitchBee data API."""
def __init__(
self,
hass: HomeAssistant,
swb_api: CentralUnitPolling | CentralUnitWsRPC,
) -> None:
"""Initialize."""
self.api: CentralUnitPolling | CentralUnitWsRPC = swb_api
self._reconnect_counts: int = 0
assert self.api.mac is not None
self.unique_id = (
self.api.unique_id
if self.api.unique_id is not None
else format_mac(self.api.mac)
)
super().__init__(
hass,
_LOGGER,
name=DOMAIN,
update_interval=timedelta(seconds=SCAN_INTERVAL_SEC[type(self.api)]),
)
# Register callback for notification WsRPC
if isinstance(self.api, CentralUnitWsRPC):
self.api.subscribe_updates(self._async_handle_update)
@callback
def _async_handle_update(self, push_data: dict) -> None:
"""Manually update data and notify listeners."""
assert isinstance(self.api, CentralUnitWsRPC)
_LOGGER.debug("Received update: %s", push_data)
self.async_set_updated_data(self.api.devices)
async def _async_update_data(self) -> Mapping[int, SwitchBeeBaseDevice]:
"""Update data via library."""
if self._reconnect_counts != self.api.reconnect_count:
self._reconnect_counts = self.api.reconnect_count
_LOGGER.debug(
"Central Unit re-connected again due to invalid token, total %i",
self._reconnect_counts,
)
# The devices are loaded once during the config_entry
if not self.api.devices:
# Try to load the devices from the CU for the first time
try:
await self.api.fetch_configuration(
[
DeviceType.Switch,
DeviceType.TimedSwitch,
DeviceType.GroupSwitch,
DeviceType.TimedPowerSwitch,
DeviceType.Scenario,
DeviceType.Dimmer,
DeviceType.Shutter,
DeviceType.Somfy,
DeviceType.Thermostat,
DeviceType.VRFAC,
]
)
except SwitchBeeError as exp:
raise UpdateFailed(
f"Error communicating with API: {exp}"
) from SwitchBeeError
_LOGGER.debug("Loaded devices")
# Get the state of the devices
try:
await self.api.fetch_states()
except SwitchBeeError as exp:
raise UpdateFailed(
f"Error communicating with API: {exp}"
) from SwitchBeeError
return self.api.devices