core/homeassistant/components/acmeda/hub.py

92 lines
2.9 KiB
Python

"""Code to handle a Pulse Hub."""
from __future__ import annotations
import asyncio
from collections.abc import Callable
import aiopulse
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.dispatcher import async_dispatcher_send
from .const import ACMEDA_ENTITY_REMOVE, ACMEDA_HUB_UPDATE, LOGGER
from .helpers import update_devices
class PulseHub:
"""Manages a single Pulse Hub."""
api: aiopulse.Hub
def __init__(self, hass: HomeAssistant, config_entry: ConfigEntry) -> None:
"""Initialize the system."""
self.config_entry = config_entry
self.hass = hass
self.tasks: list[asyncio.Task[None]] = []
self.current_rollers: dict[int, aiopulse.Roller] = {}
self.cleanup_callbacks: list[Callable[[], None]] = []
@property
def title(self) -> str:
"""Return the title of the hub shown in the integrations list."""
return f"{self.api.id} ({self.api.host})"
@property
def host(self) -> str:
"""Return the host of this hub."""
return self.config_entry.data["host"] # type: ignore[no-any-return]
async def async_setup(self, tries: int = 0) -> bool:
"""Set up a hub based on host parameter."""
self.api = hub = aiopulse.Hub(self.host)
hub.callback_subscribe(self.async_notify_update)
self.tasks.append(asyncio.create_task(hub.run()))
LOGGER.debug("Hub setup complete")
return True
async def async_reset(self) -> bool:
"""Reset this hub to default state."""
for cleanup_callback in self.cleanup_callbacks:
cleanup_callback()
# If not setup
if self.api is None:
return False
self.api.callback_unsubscribe(self.async_notify_update)
await self.api.stop()
del self.api
self.api = None
# Wait for any running tasks to complete
await asyncio.wait(self.tasks)
return True
async def async_notify_update(self, update_type: aiopulse.UpdateType) -> None:
"""Evaluate entities when hub reports that update has occurred."""
LOGGER.debug("Hub {update_type.name} updated")
if update_type == aiopulse.UpdateType.rollers:
await update_devices(self.hass, self.config_entry, self.api.rollers)
self.hass.config_entries.async_update_entry(
self.config_entry, title=self.title
)
async_dispatcher_send(
self.hass, ACMEDA_HUB_UPDATE.format(self.config_entry.entry_id)
)
for unique_id in list(self.current_rollers):
if unique_id not in self.api.rollers:
LOGGER.debug("Notifying remove of %s", unique_id)
self.current_rollers.pop(unique_id)
async_dispatcher_send(
self.hass, ACMEDA_ENTITY_REMOVE.format(unique_id)
)