core/homeassistant/components/dynalite/bridge.py

116 lines
4.7 KiB
Python

"""Code to handle a Dynalite bridge."""
from __future__ import annotations
from collections.abc import Callable
from types import MappingProxyType
from typing import Any
from dynalite_devices_lib.dynalite_devices import (
CONF_AREA as dyn_CONF_AREA,
CONF_PRESET as dyn_CONF_PRESET,
NOTIFICATION_PACKET,
NOTIFICATION_PRESET,
DynaliteBaseDevice,
DynaliteDevices,
DynaliteNotification,
)
from homeassistant.const import CONF_HOST
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_send
from .const import ATTR_AREA, ATTR_HOST, ATTR_PACKET, ATTR_PRESET, LOGGER, PLATFORMS
from .convert_config import convert_config
class DynaliteBridge:
"""Manages a single Dynalite bridge."""
def __init__(self, hass: HomeAssistant, config: dict[str, Any]) -> None:
"""Initialize the system based on host parameter."""
self.hass = hass
self.async_add_devices: dict[str, Callable] = {}
self.waiting_devices: dict[str, list[str]] = {}
self.host = config[CONF_HOST]
# Configure the dynalite devices
self.dynalite_devices = DynaliteDevices(
new_device_func=self.add_devices_when_registered,
update_device_func=self.update_device,
notification_func=self.handle_notification,
)
self.dynalite_devices.configure(config)
async def async_setup(self) -> bool:
"""Set up a Dynalite bridge."""
# Configure the dynalite devices
LOGGER.debug("Setting up bridge - host %s", self.host)
return await self.dynalite_devices.async_setup()
def reload_config(self, config: MappingProxyType[str, Any]) -> None:
"""Reconfigure a bridge when config changes."""
LOGGER.debug("Reloading bridge - host %s, config %s", self.host, config)
self.dynalite_devices.configure(convert_config(config))
def update_signal(self, device: DynaliteBaseDevice | None = None) -> str:
"""Create signal to use to trigger entity update."""
if device:
signal = f"dynalite-update-{self.host}-{device.unique_id}"
else:
signal = f"dynalite-update-{self.host}"
return signal
@callback
def update_device(self, device: DynaliteBaseDevice | None = None) -> None:
"""Call when a device or all devices should be updated."""
if not device:
# This is used to signal connection or disconnection, so all devices may become available or not.
log_string = (
"Connected" if self.dynalite_devices.connected else "Disconnected"
)
LOGGER.debug("%s to dynalite host", log_string)
async_dispatcher_send(self.hass, self.update_signal())
else:
async_dispatcher_send(self.hass, self.update_signal(device))
@callback
def handle_notification(self, notification: DynaliteNotification) -> None:
"""Handle a notification from the platform and issue events."""
if notification.notification == NOTIFICATION_PACKET:
self.hass.bus.async_fire(
"dynalite_packet",
{
ATTR_HOST: self.host,
ATTR_PACKET: notification.data[NOTIFICATION_PACKET],
},
)
if notification.notification == NOTIFICATION_PRESET:
self.hass.bus.async_fire(
"dynalite_preset",
{
ATTR_HOST: self.host,
ATTR_AREA: notification.data[dyn_CONF_AREA],
ATTR_PRESET: notification.data[dyn_CONF_PRESET],
},
)
@callback
def register_add_devices(self, platform: str, async_add_devices: Callable) -> None:
"""Add an async_add_entities for a category."""
self.async_add_devices[platform] = async_add_devices
if platform in self.waiting_devices:
self.async_add_devices[platform](self.waiting_devices[platform])
def add_devices_when_registered(self, devices: list[DynaliteBaseDevice]) -> None:
"""Add the devices to HA if the add devices callback was registered, otherwise queue until it is."""
for platform in PLATFORMS:
platform_devices = [
device for device in devices if device.category == platform
]
if platform in self.async_add_devices:
self.async_add_devices[platform](platform_devices)
else: # handle it later when it is registered
if platform not in self.waiting_devices:
self.waiting_devices[platform] = []
self.waiting_devices[platform].extend(platform_devices)