core/homeassistant/components/zone/__init__.py

346 lines
9.7 KiB
Python

"""Support for the definition of zones."""
from __future__ import annotations
import logging
from typing import Any, cast
import voluptuous as vol
from homeassistant import config_entries
from homeassistant.const import (
ATTR_EDITABLE,
ATTR_LATITUDE,
ATTR_LONGITUDE,
CONF_ICON,
CONF_ID,
CONF_LATITUDE,
CONF_LONGITUDE,
CONF_NAME,
CONF_RADIUS,
EVENT_CORE_CONFIG_UPDATE,
SERVICE_RELOAD,
STATE_UNAVAILABLE,
)
from homeassistant.core import Event, HomeAssistant, ServiceCall, State, callback
from homeassistant.helpers import (
collection,
config_validation as cv,
entity,
entity_component,
service,
storage,
)
from homeassistant.helpers.typing import ConfigType
from homeassistant.loader import bind_hass
from homeassistant.util.location import distance
from .const import ATTR_PASSIVE, ATTR_RADIUS, CONF_PASSIVE, DOMAIN, HOME_ZONE
_LOGGER = logging.getLogger(__name__)
DEFAULT_PASSIVE = False
DEFAULT_RADIUS = 100
ENTITY_ID_FORMAT = "zone.{}"
ENTITY_ID_HOME = ENTITY_ID_FORMAT.format(HOME_ZONE)
ICON_HOME = "mdi:home"
ICON_IMPORT = "mdi:import"
CREATE_FIELDS = {
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_LATITUDE): cv.latitude,
vol.Required(CONF_LONGITUDE): cv.longitude,
vol.Optional(CONF_RADIUS, default=DEFAULT_RADIUS): vol.Coerce(float),
vol.Optional(CONF_PASSIVE, default=DEFAULT_PASSIVE): cv.boolean,
vol.Optional(CONF_ICON): cv.icon,
}
UPDATE_FIELDS = {
vol.Optional(CONF_NAME): cv.string,
vol.Optional(CONF_LATITUDE): cv.latitude,
vol.Optional(CONF_LONGITUDE): cv.longitude,
vol.Optional(CONF_RADIUS): vol.Coerce(float),
vol.Optional(CONF_PASSIVE): cv.boolean,
vol.Optional(CONF_ICON): cv.icon,
}
def empty_value(value: Any) -> Any:
"""Test if the user has the default config value from adding "zone:"."""
if isinstance(value, dict) and len(value) == 0:
return []
raise vol.Invalid("Not a default value")
CONFIG_SCHEMA = vol.Schema(
{
vol.Optional(DOMAIN, default=[]): vol.Any(
vol.All(cv.ensure_list, [vol.Schema(CREATE_FIELDS)]),
empty_value,
)
},
extra=vol.ALLOW_EXTRA,
)
RELOAD_SERVICE_SCHEMA = vol.Schema({})
STORAGE_KEY = DOMAIN
STORAGE_VERSION = 1
@bind_hass
def async_active_zone(
hass: HomeAssistant, latitude: float, longitude: float, radius: int = 0
) -> State | None:
"""Find the active zone for given latitude, longitude.
This method must be run in the event loop.
"""
# Sort entity IDs so that we are deterministic if equal distance to 2 zones
zones = (
cast(State, hass.states.get(entity_id))
for entity_id in sorted(hass.states.async_entity_ids(DOMAIN))
)
min_dist = None
closest = None
for zone in zones:
if zone.state == STATE_UNAVAILABLE or zone.attributes.get(ATTR_PASSIVE):
continue
zone_dist = distance(
latitude,
longitude,
zone.attributes[ATTR_LATITUDE],
zone.attributes[ATTR_LONGITUDE],
)
if zone_dist is None:
continue
within_zone = zone_dist - radius < zone.attributes[ATTR_RADIUS]
closer_zone = closest is None or zone_dist < min_dist # type: ignore
smaller_zone = (
zone_dist == min_dist
and zone.attributes[ATTR_RADIUS]
< cast(State, closest).attributes[ATTR_RADIUS]
)
if within_zone and (closer_zone or smaller_zone):
min_dist = zone_dist
closest = zone
return closest
def in_zone(zone: State, latitude: float, longitude: float, radius: float = 0) -> bool:
"""Test if given latitude, longitude is in given zone.
Async friendly.
"""
if zone.state == STATE_UNAVAILABLE:
return False
zone_dist = distance(
latitude,
longitude,
zone.attributes[ATTR_LATITUDE],
zone.attributes[ATTR_LONGITUDE],
)
if zone_dist is None or zone.attributes[ATTR_RADIUS] is None:
return False
return zone_dist - radius < cast(float, zone.attributes[ATTR_RADIUS])
class ZoneStorageCollection(collection.StorageCollection):
"""Zone collection stored in storage."""
CREATE_SCHEMA = vol.Schema(CREATE_FIELDS)
UPDATE_SCHEMA = vol.Schema(UPDATE_FIELDS)
async def _process_create_data(self, data: dict) -> dict:
"""Validate the config is valid."""
return cast(dict, self.CREATE_SCHEMA(data))
@callback
def _get_suggested_id(self, info: dict) -> str:
"""Suggest an ID based on the config."""
return cast(str, info[CONF_NAME])
async def _update_data(self, data: dict, update_data: dict) -> dict:
"""Return a new updated data object."""
update_data = self.UPDATE_SCHEMA(update_data)
return {**data, **update_data}
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up configured zones as well as Home Assistant zone if necessary."""
component = entity_component.EntityComponent(_LOGGER, DOMAIN, hass)
id_manager = collection.IDManager()
yaml_collection = collection.IDLessCollection(
logging.getLogger(f"{__name__}.yaml_collection"), id_manager
)
collection.sync_entity_lifecycle(
hass, DOMAIN, DOMAIN, component, yaml_collection, Zone.from_yaml
)
storage_collection = ZoneStorageCollection(
storage.Store(hass, STORAGE_VERSION, STORAGE_KEY),
logging.getLogger(f"{__name__}.storage_collection"),
id_manager,
)
collection.sync_entity_lifecycle(
hass, DOMAIN, DOMAIN, component, storage_collection, Zone
)
if config[DOMAIN]:
await yaml_collection.async_load(config[DOMAIN])
await storage_collection.async_load()
collection.StorageCollectionWebsocket(
storage_collection, DOMAIN, DOMAIN, CREATE_FIELDS, UPDATE_FIELDS
).async_setup(hass)
async def reload_service_handler(service_call: ServiceCall) -> None:
"""Remove all zones and load new ones from config."""
conf = await component.async_prepare_reload(skip_reset=True)
if conf is None:
return
await yaml_collection.async_load(conf[DOMAIN])
service.async_register_admin_service(
hass,
DOMAIN,
SERVICE_RELOAD,
reload_service_handler,
schema=RELOAD_SERVICE_SCHEMA,
)
if component.get_entity("zone.home"):
return True
home_zone = Zone(_home_conf(hass))
home_zone.entity_id = ENTITY_ID_HOME
await component.async_add_entities([home_zone])
async def core_config_updated(_: Event) -> None:
"""Handle core config updated."""
await home_zone.async_update_config(_home_conf(hass))
hass.bus.async_listen(EVENT_CORE_CONFIG_UPDATE, core_config_updated)
hass.data[DOMAIN] = storage_collection
return True
@callback
def _home_conf(hass: HomeAssistant) -> dict:
"""Return the home zone config."""
return {
CONF_NAME: hass.config.location_name,
CONF_LATITUDE: hass.config.latitude,
CONF_LONGITUDE: hass.config.longitude,
CONF_RADIUS: DEFAULT_RADIUS,
CONF_ICON: ICON_HOME,
CONF_PASSIVE: False,
}
async def async_setup_entry(
hass: HomeAssistant, config_entry: config_entries.ConfigEntry
) -> bool:
"""Set up zone as config entry."""
storage_collection = cast(ZoneStorageCollection, hass.data[DOMAIN])
data = dict(config_entry.data)
data.setdefault(CONF_PASSIVE, DEFAULT_PASSIVE)
data.setdefault(CONF_RADIUS, DEFAULT_RADIUS)
await storage_collection.async_create_item(data)
hass.async_create_task(hass.config_entries.async_remove(config_entry.entry_id))
return True
async def async_unload_entry(
hass: HomeAssistant, config_entry: config_entries.ConfigEntry
) -> bool:
"""Will be called once we remove it."""
return True
class Zone(entity.Entity):
"""Representation of a Zone."""
def __init__(self, config: dict) -> None:
"""Initialize the zone."""
self._config = config
self.editable = True
self._attrs: dict | None = None
self._generate_attrs()
@classmethod
def from_yaml(cls, config: dict) -> Zone:
"""Return entity instance initialized from yaml storage."""
zone = cls(config)
zone.editable = False
zone._generate_attrs()
return zone
@property
def state(self) -> str:
"""Return the state property really does nothing for a zone."""
return "zoning"
@property
def name(self) -> str:
"""Return name."""
return cast(str, self._config[CONF_NAME])
@property
def unique_id(self) -> str | None:
"""Return unique ID."""
return self._config.get(CONF_ID)
@property
def icon(self) -> str | None:
"""Return the icon if any."""
return self._config.get(CONF_ICON)
@property
def extra_state_attributes(self) -> dict | None:
"""Return the state attributes of the zone."""
return self._attrs
@property
def should_poll(self) -> bool:
"""Zone does not poll."""
return False
async def async_update_config(self, config: dict) -> None:
"""Handle when the config is updated."""
if self._config == config:
return
self._config = config
self._generate_attrs()
self.async_write_ha_state()
@callback
def _generate_attrs(self) -> None:
"""Generate new attrs based on config."""
self._attrs = {
ATTR_LATITUDE: self._config[CONF_LATITUDE],
ATTR_LONGITUDE: self._config[CONF_LONGITUDE],
ATTR_RADIUS: self._config[CONF_RADIUS],
ATTR_PASSIVE: self._config[CONF_PASSIVE],
ATTR_EDITABLE: self.editable,
}