66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
"""Provides the Canary DataUpdateCoordinator."""
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from __future__ import annotations
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import asyncio
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from collections.abc import ValuesView
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from datetime import timedelta
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import logging
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from canary.api import Api
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from canary.model import Location, Reading
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from requests.exceptions import ConnectTimeout, HTTPError
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import DOMAIN
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from .model import CanaryData
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_LOGGER = logging.getLogger(__name__)
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class CanaryDataUpdateCoordinator(DataUpdateCoordinator[CanaryData]):
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"""Class to manage fetching Canary data."""
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def __init__(self, hass: HomeAssistant, *, api: Api) -> None:
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"""Initialize global Canary data updater."""
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self.canary = api
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update_interval = timedelta(seconds=30)
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super().__init__(
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hass,
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_LOGGER,
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name=DOMAIN,
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update_interval=update_interval,
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)
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def _update_data(self) -> CanaryData:
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"""Fetch data from Canary via sync functions."""
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locations_by_id: dict[str, Location] = {}
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readings_by_device_id: dict[str, ValuesView[Reading]] = {}
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for location in self.canary.get_locations():
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location_id = location.location_id
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locations_by_id[location_id] = location
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for device in location.devices:
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if device.is_online:
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readings_by_device_id[device.device_id] = (
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self.canary.get_latest_readings(device.device_id)
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)
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return {
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"locations": locations_by_id,
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"readings": readings_by_device_id,
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}
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async def _async_update_data(self) -> CanaryData:
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"""Fetch data from Canary."""
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try:
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async with asyncio.timeout(15):
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return await self.hass.async_add_executor_job(self._update_data)
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except (ConnectTimeout, HTTPError) as error:
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raise UpdateFailed(f"Invalid response from API: {error}") from error
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