core/homeassistant/components/fully_kiosk/entity.py

88 lines
3.1 KiB
Python

"""Base entity for the Fully Kiosk Browser integration."""
from __future__ import annotations
import json
from yarl import URL
from homeassistant.components import mqtt
from homeassistant.const import ATTR_CONNECTIONS
from homeassistant.core import CALLBACK_TYPE, callback
from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
from homeassistant.helpers.entity import Entity
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN
from .coordinator import FullyKioskDataUpdateCoordinator
def valid_global_mac_address(mac: str | None) -> bool:
"""Check if a MAC address is valid, non-locally administered address."""
if not isinstance(mac, str):
return False
try:
first_octet = int(mac.split(":")[0], 16)
# If the second least-significant bit is set, it's a locally administered address, should not be used as an ID
return not bool(first_octet & 0x2)
except ValueError:
return False
class FullyKioskEntity(CoordinatorEntity[FullyKioskDataUpdateCoordinator], Entity):
"""Defines a Fully Kiosk Browser entity."""
_attr_has_entity_name = True
def __init__(self, coordinator: FullyKioskDataUpdateCoordinator) -> None:
"""Initialize the Fully Kiosk Browser entity."""
super().__init__(coordinator=coordinator)
url = URL.build(
scheme="https" if coordinator.use_ssl else "http",
host=coordinator.data["ip4"],
port=2323,
)
device_info = DeviceInfo(
identifiers={(DOMAIN, coordinator.data["deviceID"])},
name=coordinator.data["deviceName"],
manufacturer=coordinator.data["deviceManufacturer"],
model=coordinator.data["deviceModel"],
sw_version=coordinator.data["appVersionName"],
configuration_url=str(url),
)
if "Mac" in coordinator.data and valid_global_mac_address(
coordinator.data["Mac"]
):
device_info[ATTR_CONNECTIONS] = {
(CONNECTION_NETWORK_MAC, coordinator.data["Mac"])
}
self._attr_device_info = device_info
async def mqtt_subscribe(
self, event: str | None, event_callback: CALLBACK_TYPE
) -> CALLBACK_TYPE | None:
"""Subscribe to MQTT for a given event."""
data = self.coordinator.data
if (
event is None
or not mqtt.mqtt_config_entry_enabled(self.hass)
or not data["settings"]["mqttEnabled"]
):
return None
@callback
def message_callback(message: mqtt.ReceiveMessage) -> None:
payload = json.loads(message.payload)
if "event" in payload and payload["event"] == event:
event_callback(**payload)
topic_template = data["settings"]["mqttEventTopic"]
topic = (
topic_template.replace("$appId", "fully")
.replace("$event", event)
.replace("$deviceId", data["deviceID"])
)
return await mqtt.async_subscribe(self.hass, topic, message_callback)