core/homeassistant/components/unifi/__init__.py

134 lines
4.2 KiB
Python

"""Integration to UniFi Network and its various features."""
from collections.abc import Mapping
from typing import Any
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EVENT_HOMEASSISTANT_STOP
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import ConfigEntryAuthFailed, ConfigEntryNotReady
from homeassistant.helpers.storage import Store
from homeassistant.helpers.typing import ConfigType
from .const import (
CONF_CONTROLLER,
DOMAIN as UNIFI_DOMAIN,
PLATFORMS,
UNIFI_WIRELESS_CLIENTS,
)
from .controller import UniFiController, get_unifi_controller
from .errors import AuthenticationRequired, CannotConnect
from .services import async_setup_services, async_unload_services
SAVE_DELAY = 10
STORAGE_KEY = "unifi_data"
STORAGE_VERSION = 1
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Integration doesn't support configuration through configuration.yaml."""
hass.data[UNIFI_WIRELESS_CLIENTS] = wireless_clients = UnifiWirelessClients(hass)
await wireless_clients.async_load()
return True
async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Set up the UniFi Network integration."""
hass.data.setdefault(UNIFI_DOMAIN, {})
# Flat configuration was introduced with 2021.3
await async_flatten_entry_data(hass, config_entry)
try:
api = await get_unifi_controller(hass, config_entry.data)
controller = UniFiController(hass, config_entry, api)
await controller.initialize()
except CannotConnect as err:
raise ConfigEntryNotReady from err
except AuthenticationRequired as err:
raise ConfigEntryAuthFailed from err
# Unique ID was introduced with 2021.3
if config_entry.unique_id is None:
hass.config_entries.async_update_entry(
config_entry, unique_id=controller.site_id
)
hass.data[UNIFI_DOMAIN][config_entry.entry_id] = controller
await hass.config_entries.async_forward_entry_setups(config_entry, PLATFORMS)
await controller.async_update_device_registry()
if len(hass.data[UNIFI_DOMAIN]) == 1:
async_setup_services(hass)
api.start_websocket()
config_entry.async_on_unload(
hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, controller.shutdown)
)
return True
async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
"""Unload a config entry."""
controller = hass.data[UNIFI_DOMAIN].pop(config_entry.entry_id)
if not hass.data[UNIFI_DOMAIN]:
async_unload_services(hass)
return await controller.async_reset()
async def async_flatten_entry_data(
hass: HomeAssistant, config_entry: ConfigEntry
) -> None:
"""Simpler configuration structure for entry data.
Keep controller key layer in case user rollbacks.
"""
data: Mapping[str, Any] = {
**config_entry.data,
**config_entry.data[CONF_CONTROLLER],
}
if config_entry.data != data:
hass.config_entries.async_update_entry(config_entry, data=data)
class UnifiWirelessClients:
"""Class to store clients known to be wireless.
This is needed since wireless devices going offline might get marked as wired by UniFi.
"""
def __init__(self, hass):
"""Set up client storage."""
self.hass = hass
self.data = {}
self._store = Store(hass, STORAGE_VERSION, STORAGE_KEY)
async def async_load(self):
"""Load data from file."""
if (data := await self._store.async_load()) is not None:
self.data = data
@callback
def get_data(self, config_entry):
"""Get data related to a specific controller."""
data = self.data.get(config_entry.entry_id, {"wireless_devices": []})
return set(data["wireless_devices"])
@callback
def update_data(self, data, config_entry):
"""Update data and schedule to save to file."""
self.data[config_entry.entry_id] = {"wireless_devices": list(data)}
self._store.async_delay_save(self._data_to_save, SAVE_DELAY)
@callback
def _data_to_save(self):
"""Return data of UniFi wireless clients to store in a file."""
return self.data