add firmware update entity

custom_components/bayernluefter/__init__.py

@@ -3,15 +3,16 @@
 """
 
 import logging
-from datetime import timedelta
+from datetime import timedelta, datetime
 from typing import Any
 
 from homeassistant.core import HomeAssistant
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_HOST, CONF_SCAN_INTERVAL
+from homeassistant.const import CONF_HOST, CONF_SCAN_INTERVAL, Platform
 from homeassistant.helpers.aiohttp_client import async_get_clientsession
 from homeassistant.helpers.device_registry import DeviceInfo, format_mac
 from homeassistant.helpers.entity import Entity, EntityDescription
+from homeassistant.helpers.event import async_track_time_interval
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
@@ -23,8 +24,9 @@
 
 
 SCAN_INTERVAL = timedelta(seconds=20)
+UPDATE_SCAN_INTERVAL = timedelta(days=1)  # check once per day for firmware updates
 
-PLATFORMS = ["sensor", "binary_sensor", "fan"]
+PLATFORMS = [Platform.SENSOR, Platform.BINARY_SENSOR, Platform.FAN, Platform.UPDATE]
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
@@ -33,6 +35,8 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     session = async_get_clientsession(hass)
     device = Bayernluefter(entry.data[CONF_HOST], session)
 
+    await device.poll_latest_versions()
+
     update_interval = timedelta(
         seconds=entry.options.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
     )
@@ -47,6 +51,13 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
     entry.async_on_unload(entry.add_update_listener(on_update_options_listener))
 
+    async def poll_latest_versions(now: datetime) -> None:
+        await device.poll_latest_versions()
+
+    entry.async_on_unload(
+        async_track_time_interval(hass, poll_latest_versions, UPDATE_SCAN_INTERVAL)
+    )
+
     return True
 
 

custom_components/bayernluefter/manifest.json

@@ -8,6 +8,6 @@
   "integration_type": "device",
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/mampfes/ha_bayernluefter/issues",
-  "requirements": ["pyernluefter==0.1.1"],
-  "version": "1.1.0"
+  "requirements": ["pyernluefter==0.2.0"],
+  "version": "1.2.0"
 }

custom_components/bayernluefter/update.py

@@ -0,0 +1,73 @@
+"""
+Support for Bayernluefter update.
+"""
+
+import logging
+from typing import Any
+
+from homeassistant.components.update import (
+    UpdateEntity,
+    UpdateEntityDescription,
+    UpdateEntityFeature,
+    UpdateDeviceClass,
+)
+
+from pyernluefter import UpdateTarget
+
+from . import (
+    BayernluefterEntity,
+    BayernluefterDataUpdateCoordinator as DataUpdateCoordinator,
+)
+
+from .const import DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(hass, config_entry, async_add_entities):
+    """Set up update entries."""
+    coordinator: DataUpdateCoordinator = hass.data[DOMAIN][config_entry.entry_id]
+    entities = [BayernluefterUpdate(coordinator)]
+    async_add_entities(entities)
+
+
+class BayernluefterUpdate(BayernluefterEntity, UpdateEntity):
+    """An update implementation for Bayernluefter devices."""
+
+    entity_description = UpdateEntityDescription(
+        key="FW_WiFi", device_class=UpdateDeviceClass.FIRMWARE
+    )
+
+    target = UpdateTarget.WLAN32
+
+    # These update specific attributes are not (yet) part of UpdateEntityDescription
+    _attr_supported_features = UpdateEntityFeature.INSTALL
+
+    def __init__(
+        self,
+        coordinator: DataUpdateCoordinator,
+    ) -> None:
+        """Initialize an update entity for a Bayernluefter device."""
+        super().__init__(coordinator, self.entity_description)
+        self._attr_release_url = self._device.release_url(self.target)
+
+    @property
+    def available(self) -> bool:
+        return (
+            self._coordinator.last_update_success
+            and self._device.installed_version(self.target) is not None
+        )
+
+    @property
+    def latest_version(self) -> str:
+        return self._device.latest_version(self.target)
+
+    @property
+    def installed_version(self) -> str:
+        return self._device.installed_version(self.target)
+
+    async def async_install(
+        self, version: str | None, backup: bool, **kwargs: Any
+    ) -> None:
+        """Install the latest firmware version."""
+        await self._device.update_check(self.target)