core/homeassistant/components/knx/notify.py

114 lines
3.8 KiB
Python

"""Support for KNX/IP notifications."""
from __future__ import annotations
from typing import Any
from xknx import XKNX
from xknx.devices import Notification as XknxNotification
from homeassistant import config_entries
from homeassistant.components.notify import BaseNotificationService, NotifyEntity
from homeassistant.const import CONF_ENTITY_CATEGORY, CONF_NAME, CONF_TYPE, Platform
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from .const import DATA_KNX_CONFIG, DOMAIN, KNX_ADDRESS
from .knx_entity import KnxEntity
from .repairs import migrate_notify_issue
async def async_get_service(
hass: HomeAssistant,
config: ConfigType,
discovery_info: DiscoveryInfoType | None = None,
) -> KNXNotificationService | None:
"""Get the KNX notification service."""
if discovery_info is None:
return None
if platform_config := hass.data[DATA_KNX_CONFIG].get(Platform.NOTIFY):
xknx: XKNX = hass.data[DOMAIN].xknx
notification_devices = [
_create_notification_instance(xknx, device_config)
for device_config in platform_config
]
return KNXNotificationService(notification_devices)
return None
class KNXNotificationService(BaseNotificationService):
"""Implement demo notification service."""
def __init__(self, devices: list[XknxNotification]) -> None:
"""Initialize the service."""
self.devices = devices
@property
def targets(self) -> dict[str, str]:
"""Return a dictionary of registered targets."""
ret = {}
for device in self.devices:
ret[device.name] = device.name
return ret
async def async_send_message(self, message: str = "", **kwargs: Any) -> None:
"""Send a notification to knx bus."""
migrate_notify_issue(self.hass)
if "target" in kwargs:
await self._async_send_to_device(message, kwargs["target"])
else:
await self._async_send_to_all_devices(message)
async def _async_send_to_all_devices(self, message: str) -> None:
"""Send a notification to knx bus to all connected devices."""
for device in self.devices:
await device.set(message)
async def _async_send_to_device(self, message: str, names: str) -> None:
"""Send a notification to knx bus to device with given names."""
for device in self.devices:
if device.name in names:
await device.set(message)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: config_entries.ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up notify(s) for KNX platform."""
xknx: XKNX = hass.data[DOMAIN].xknx
config: list[ConfigType] = hass.data[DATA_KNX_CONFIG][Platform.NOTIFY]
async_add_entities(KNXNotify(xknx, entity_config) for entity_config in config)
def _create_notification_instance(xknx: XKNX, config: ConfigType) -> XknxNotification:
"""Return a KNX Notification to be used within XKNX."""
return XknxNotification(
xknx,
name=config[CONF_NAME],
group_address=config[KNX_ADDRESS],
value_type=config[CONF_TYPE],
)
class KNXNotify(NotifyEntity, KnxEntity):
"""Representation of a KNX notification entity."""
_device: XknxNotification
def __init__(self, xknx: XKNX, config: ConfigType) -> None:
"""Initialize a KNX notification."""
super().__init__(_create_notification_instance(xknx, config))
self._attr_entity_category = config.get(CONF_ENTITY_CATEGORY)
self._attr_unique_id = str(self._device.remote_value.group_address)
async def async_send_message(self, message: str) -> None:
"""Send a notification to knx bus."""
await self._device.set(message)