61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""DataUpdateCoordinator for the Discovergy integration."""
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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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from pydiscovergy import Discovergy
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from pydiscovergy.error import AccessTokenExpired, HTTPError
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from pydiscovergy.models import Meter, Reading
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from homeassistant.config_entries import ConfigEntry
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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, UpdateFailed
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from .const import DOMAIN
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_LOGGER = logging.getLogger(__name__)
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class DiscovergyUpdateCoordinator(DataUpdateCoordinator[Reading]):
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"""The Discovergy update coordinator."""
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config_entry: ConfigEntry
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discovergy_client: Discovergy
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meter: Meter
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def __init__(
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self,
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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meter: Meter,
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discovergy_client: Discovergy,
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) -> None:
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"""Initialize the Discovergy coordinator."""
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self.config_entry = config_entry
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self.meter = meter
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self.discovergy_client = discovergy_client
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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=timedelta(seconds=30),
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)
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async def _async_update_data(self) -> Reading:
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"""Get last reading for meter."""
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try:
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return await self.discovergy_client.get_last_reading(
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self.meter.get_meter_id()
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)
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except AccessTokenExpired as err:
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raise ConfigEntryAuthFailed(
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f"Auth expired while fetching last reading for meter {self.meter.get_meter_id()}"
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) from err
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except HTTPError as err:
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raise UpdateFailed(
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f"Error while fetching last reading for meter {self.meter.get_meter_id()}"
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) from err
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