coordinator.py

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"""DataUpdateCoordinator for Flexit Nordic (BACnet) integration.."""
 
import asyncio.exceptions
from datetime import timedelta
import logging
 
from flexit_bacnet import FlexitBACnet
from flexit_bacnet.bacnet import DecodingError
 
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_DEVICE_ID, CONF_IP_ADDRESS
from homeassistant.core import HomeAssistant
from homeassistant.exceptions import ConfigEntryNotReady
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
from .const import DOMAIN
 
_LOGGER = logging.getLogger(__name__)
 
 
class FlexitCoordinator(DataUpdateCoordinator[FlexitBACnet]):
    """Class to manage fetching data from a Flexit Nordic (BACnet) device."""
 
    config_entry: ConfigEntry
 
    def __init__(self, hass: HomeAssistant, device_id: str) -> None:
        """Initialize my coordinator."""
        super().__init__(
            hass,
            _LOGGER,
            name=f"{DOMAIN}_{device_id}",
            update_interval=timedelta(seconds=60),
        )
 
        self.devicedevice = FlexitBACnet(
            self.config_entryconfig_entry.data[CONF_IP_ADDRESS],
            self.config_entryconfig_entry.data[CONF_DEVICE_ID],
        )
 
    async def _async_update_data(self) -> FlexitBACnet:
        """Fetch data from the device."""
 
        try:
            await self.devicedevice.update()
        except (asyncio.exceptions.TimeoutError, ConnectionError, DecodingError) as exc:
            raise ConfigEntryNotReady(
                f"Timeout while connecting to {self.config_entry.data[CONF_IP_ADDRESS]}"
            ) from exc
 
        return self.devicedevice