mirror of
https://github.com/home-assistant/core
synced 2024-08-28 03:36:46 +02:00
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
"""Coordinator for Roku."""
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from __future__ import annotations
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from datetime import datetime, timedelta
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import logging
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from rokuecp import Roku, RokuError
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from rokuecp.models import Device
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.aiohttp_client import async_get_clientsession
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from homeassistant.helpers.debounce import Debouncer
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from homeassistant.util.dt import utcnow
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from .const import DOMAIN
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REQUEST_REFRESH_DELAY = 0.35
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SCAN_INTERVAL = timedelta(seconds=10)
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_LOGGER = logging.getLogger(__name__)
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class RokuDataUpdateCoordinator(DataUpdateCoordinator[Device]):
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"""Class to manage fetching Roku data."""
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last_full_update: datetime | None
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roku: Roku
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def __init__(
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self,
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hass: HomeAssistant,
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*,
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host: str,
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device_id: str,
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) -> None:
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"""Initialize global Roku data updater."""
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self.device_id = device_id
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self.roku = Roku(host=host, session=async_get_clientsession(hass))
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self.full_update_interval = timedelta(minutes=15)
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self.last_full_update = None
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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=SCAN_INTERVAL,
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# We don't want an immediate refresh since the device
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# takes a moment to reflect the state change
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request_refresh_debouncer=Debouncer(
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hass, _LOGGER, cooldown=REQUEST_REFRESH_DELAY, immediate=False
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),
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)
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async def _async_update_data(self) -> Device:
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"""Fetch data from Roku."""
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full_update = self.last_full_update is None or utcnow() >= (
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self.last_full_update + self.full_update_interval
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)
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try:
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data = await self.roku.update(full_update=full_update)
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if full_update:
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self.last_full_update = utcnow()
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return data
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except RokuError as error:
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raise UpdateFailed(f"Invalid response from API: {error}") from error
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