114 lines
3.9 KiB
Python
114 lines
3.9 KiB
Python
"""The Tankerkoenig update coordinator."""
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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 math import ceil
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import pytankerkoenig
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_API_KEY, CONF_SHOW_ON_MAP
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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 CONF_FUEL_TYPES, CONF_STATIONS
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_LOGGER = logging.getLogger(__name__)
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class TankerkoenigDataUpdateCoordinator(DataUpdateCoordinator):
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"""Get the latest data from the API."""
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def __init__(
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self,
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hass: HomeAssistant,
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entry: ConfigEntry,
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logger: logging.Logger,
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name: str,
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update_interval: int,
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) -> None:
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"""Initialize the data object."""
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super().__init__(
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hass=hass,
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logger=logger,
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name=name,
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update_interval=timedelta(minutes=update_interval),
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)
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self._api_key: str = entry.data[CONF_API_KEY]
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self._selected_stations: list[str] = entry.data[CONF_STATIONS]
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self.stations: dict[str, dict] = {}
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self.fuel_types: list[str] = entry.data[CONF_FUEL_TYPES]
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self.show_on_map: bool = entry.options[CONF_SHOW_ON_MAP]
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def setup(self) -> bool:
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"""Set up the tankerkoenig API."""
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for station_id in self._selected_stations:
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try:
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station_data = pytankerkoenig.getStationData(self._api_key, station_id)
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except pytankerkoenig.customException as err:
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if any(x in str(err).lower() for x in ("api-key", "apikey")):
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raise ConfigEntryAuthFailed(err) from err
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station_data = {
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"ok": False,
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"message": err,
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"exception": True,
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}
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if not station_data["ok"]:
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_LOGGER.error(
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"Error when adding station %s:\n %s",
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station_id,
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station_data["message"],
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)
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continue
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self.add_station(station_data["station"])
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if len(self.stations) > 10:
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_LOGGER.warning(
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"Found more than 10 stations to check. "
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"This might invalidate your api-key on the long run. "
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"Try using a smaller radius"
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)
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return True
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async def _async_update_data(self) -> dict:
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"""Get the latest data from tankerkoenig.de."""
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_LOGGER.debug("Fetching new data from tankerkoenig.de")
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station_ids = list(self.stations)
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prices = {}
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# The API seems to only return at most 10 results, so split the list in chunks of 10
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# and merge it together.
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for index in range(ceil(len(station_ids) / 10)):
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data = await self.hass.async_add_executor_job(
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pytankerkoenig.getPriceList,
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self._api_key,
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station_ids[index * 10 : (index + 1) * 10],
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)
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_LOGGER.debug("Received data: %s", data)
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if not data["ok"]:
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raise UpdateFailed(data["message"])
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if "prices" not in data:
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raise UpdateFailed(
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"Did not receive price information from tankerkoenig.de"
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)
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prices.update(data["prices"])
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return prices
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def add_station(self, station: dict):
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"""Add fuel station to the entity list."""
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station_id = station["id"]
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if station_id in self.stations:
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_LOGGER.warning(
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"Sensor for station with id %s was already created", station_id
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)
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return
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self.stations[station_id] = station
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_LOGGER.debug("add_station called for station: %s", station)
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