88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
"""Coordinator to handle keeping device states up to date."""
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from __future__ import annotations
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from datetime import timedelta
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import logging
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import time
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from pycync import Cync, CyncDevice, User
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from pycync.exceptions import AuthFailedError
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_ACCESS_TOKEN
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryAuthFailed
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
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from .const import CONF_EXPIRES_AT, CONF_REFRESH_TOKEN
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_LOGGER = logging.getLogger(__name__)
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type CyncConfigEntry = ConfigEntry[CyncCoordinator]
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class CyncCoordinator(DataUpdateCoordinator[dict[int, CyncDevice]]):
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"""Coordinator to handle updating Cync device states."""
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config_entry: CyncConfigEntry
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def __init__(
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self, hass: HomeAssistant, config_entry: CyncConfigEntry, cync: Cync
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) -> None:
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"""Initialize the Cync coordinator."""
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super().__init__(
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hass,
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_LOGGER,
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name="Cync Data Coordinator",
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config_entry=config_entry,
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update_interval=timedelta(seconds=30),
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always_update=True,
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)
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self.cync = cync
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async def on_data_update(self, data: dict[int, CyncDevice]) -> None:
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"""Update registered devices with new data."""
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merged_data = self.data | data if self.data else data
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self.async_set_updated_data(merged_data)
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async def _async_setup(self) -> None:
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"""Set up the coordinator with initial device states."""
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logged_in_user = self.cync.get_logged_in_user()
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if logged_in_user.access_token != self.config_entry.data[CONF_ACCESS_TOKEN]:
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await self._update_config_cync_credentials(logged_in_user)
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async def _async_update_data(self) -> dict[int, CyncDevice]:
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"""First, refresh the user's auth token if it is set to expire in less than one hour.
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Then, fetch all current device states.
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"""
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logged_in_user = self.cync.get_logged_in_user()
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if logged_in_user.expires_at - time.time() < 3600:
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await self._async_refresh_cync_credentials()
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self.cync.update_device_states()
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current_device_states = self.cync.get_devices()
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return {device.device_id: device for device in current_device_states}
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async def _async_refresh_cync_credentials(self) -> None:
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"""Attempt to refresh the Cync user's authentication token."""
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try:
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refreshed_user = await self.cync.refresh_credentials()
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except AuthFailedError as ex:
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raise ConfigEntryAuthFailed("Unable to refresh user token") from ex
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else:
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await self._update_config_cync_credentials(refreshed_user)
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async def _update_config_cync_credentials(self, user_info: User) -> None:
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"""Update the config entry with current user info."""
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new_data = {**self.config_entry.data}
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new_data[CONF_ACCESS_TOKEN] = user_info.access_token
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new_data[CONF_REFRESH_TOKEN] = user_info.refresh_token
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new_data[CONF_EXPIRES_AT] = user_info.expires_at
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self.hass.config_entries.async_update_entry(self.config_entry, data=new_data)
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