hass-core/homeassistant/components/melnor/models.py
2022-08-30 16:06:44 -05:00

74 lines
2 KiB
Python

"""Melnor integration models."""
from datetime import timedelta
import logging
from melnor_bluetooth.device import Device
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity import DeviceInfo
from homeassistant.helpers.update_coordinator import (
CoordinatorEntity,
DataUpdateCoordinator,
)
from .const import DOMAIN
_LOGGER = logging.getLogger(__name__)
class MelnorDataUpdateCoordinator(DataUpdateCoordinator[Device]):
"""Melnor data update coordinator."""
_device: Device
def __init__(self, hass: HomeAssistant, device: Device) -> None:
"""Initialize my coordinator."""
super().__init__(
hass,
_LOGGER,
name="Melnor Bluetooth",
update_interval=timedelta(seconds=5),
)
self._device = device
async def _async_update_data(self):
"""Update the device state."""
await self._device.fetch_state()
return self._device
class MelnorBluetoothBaseEntity(CoordinatorEntity[MelnorDataUpdateCoordinator]):
"""Base class for melnor entities."""
_device: Device
def __init__(
self,
coordinator: MelnorDataUpdateCoordinator,
) -> None:
"""Initialize a melnor base entity."""
super().__init__(coordinator)
self._device = coordinator.data
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, self._device.mac)},
manufacturer="Melnor",
model=self._device.model,
name=self._device.name,
)
self._attr_name = self._device.name
self._attr_unique_id = self._device.mac
@callback
def _handle_coordinator_update(self) -> None:
"""Handle updated data from the coordinator."""
self._device = self.coordinator.data
self.async_write_ha_state()
@property
def available(self) -> bool:
"""Return True if entity is available."""
return self._device.is_connected