core/homeassistant/components/smlight/coordinator.py

72 lines
2.4 KiB
Python

"""DataUpdateCoordinator for Smlight."""
from dataclasses import dataclass
from pysmlight import Api2, Info, Sensors
from pysmlight.exceptions import SmlightAuthError, SmlightConnectionError
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryError
from homeassistant.helpers.aiohttp_client import async_get_clientsession
from homeassistant.helpers.device_registry import format_mac
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import DOMAIN, LOGGER, SCAN_INTERVAL
@dataclass
class SmData:
"""SMLIGHT data stored in the DataUpdateCoordinator."""
sensors: Sensors
info: Info
class SmDataUpdateCoordinator(DataUpdateCoordinator[SmData]):
"""Class to manage fetching SMLIGHT data."""
config_entry: ConfigEntry
def __init__(self, hass: HomeAssistant, host: str) -> None:
"""Initialize the coordinator."""
super().__init__(
hass,
LOGGER,
name=f"{DOMAIN}_{host}",
update_interval=SCAN_INTERVAL,
)
self.unique_id: str | None = None
self.client = Api2(host=host, session=async_get_clientsession(hass))
async def _async_setup(self) -> None:
"""Authenticate if needed during initial setup."""
if await self.client.check_auth_needed():
if (
CONF_USERNAME in self.config_entry.data
and CONF_PASSWORD in self.config_entry.data
):
try:
await self.client.authenticate(
self.config_entry.data[CONF_USERNAME],
self.config_entry.data[CONF_PASSWORD],
)
except SmlightAuthError as err:
LOGGER.error("Failed to authenticate: %s", err)
raise ConfigEntryError from err
info = await self.client.get_info()
self.unique_id = format_mac(info.MAC)
async def _async_update_data(self) -> SmData:
"""Fetch data from the SMLIGHT device."""
try:
return SmData(
sensors=await self.client.get_sensors(),
info=await self.client.get_info(),
)
except SmlightConnectionError as err:
raise UpdateFailed(err) from err