core/homeassistant/components/risco/coordinator.py

100 lines
3.0 KiB
Python

"""Coordinator for the Risco integration."""
from __future__ import annotations
from datetime import timedelta
import logging
from typing import Any
from pyrisco import CannotConnectError, OperationError, RiscoCloud, UnauthorizedError
from pyrisco.cloud.alarm import Alarm
from pyrisco.cloud.event import Event
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_SCAN_INTERVAL
from homeassistant.core import HomeAssistant
from homeassistant.helpers.storage import Store
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from .const import DEFAULT_SCAN_INTERVAL, DOMAIN
LAST_EVENT_STORAGE_VERSION = 1
LAST_EVENT_TIMESTAMP_KEY = "last_event_timestamp"
_LOGGER = logging.getLogger(__name__)
class RiscoDataUpdateCoordinator(DataUpdateCoordinator[Alarm]):
"""Class to manage fetching risco data."""
config_entry: ConfigEntry
def __init__(
self,
hass: HomeAssistant,
config_entry: ConfigEntry,
risco: RiscoCloud,
) -> None:
"""Initialize global risco data updater."""
self.risco = risco
super().__init__(
hass,
_LOGGER,
config_entry=config_entry,
name=DOMAIN,
update_interval=timedelta(
seconds=config_entry.options.get(
CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL
)
),
)
async def _async_update_data(self) -> Alarm:
"""Fetch data from risco."""
try:
return await self.risco.get_state()
except (CannotConnectError, UnauthorizedError, OperationError) as error:
raise UpdateFailed(error) from error
class RiscoEventsDataUpdateCoordinator(DataUpdateCoordinator[list[Event]]):
"""Class to manage fetching risco data."""
config_entry: ConfigEntry
def __init__(
self,
hass: HomeAssistant,
config_entry: ConfigEntry,
risco: RiscoCloud,
) -> None:
"""Initialize global risco data updater."""
self.risco = risco
self._store = Store[dict[str, Any]](
hass,
LAST_EVENT_STORAGE_VERSION,
f"risco_{config_entry.entry_id}_last_event_timestamp",
)
super().__init__(
hass,
_LOGGER,
config_entry=config_entry,
name=f"{DOMAIN}_events",
update_interval=timedelta(seconds=60),
)
async def _async_update_data(self) -> list[Event]:
"""Fetch data from risco."""
last_store = await self._store.async_load() or {}
last_timestamp = last_store.get(
LAST_EVENT_TIMESTAMP_KEY, "2020-01-01T00:00:00Z"
)
try:
events = await self.risco.get_events(last_timestamp, 10)
except (CannotConnectError, UnauthorizedError, OperationError) as error:
raise UpdateFailed(error) from error
if len(events) > 0:
await self._store.async_save({LAST_EVENT_TIMESTAMP_KEY: events[0].time})
return events