switch.py

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"""Implement a iotty Light Switch Device."""
 
from __future__ import annotations
 
import logging
from typing import Any
 
from iottycloud.device import Device
from iottycloud.lightswitch import LightSwitch
from iottycloud.verbs import LS_DEVICE_TYPE_UID
 
from homeassistant.components.switch import SwitchDeviceClass, SwitchEntity
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from . import IottyConfigEntry
from .api import IottyProxy
from .coordinator import IottyDataUpdateCoordinator
from .entity import IottyEntity
 
_LOGGER = logging.getLogger(__name__)
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: IottyConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Activate the iotty LightSwitch component."""
    _LOGGER.debug("Setup SWITCH entry id is %s", config_entry.entry_id)
 
    coordinator = config_entry.runtime_data.coordinator
    entities = [
        IottyLightSwitch(
            coordinator=coordinator, iotty_cloud=coordinator.iotty, iotty_device=d
        )
        for d in coordinator.data.devices
        if d.device_type == LS_DEVICE_TYPE_UID
        if (isinstance(d, LightSwitch))
    ]
    _LOGGER.debug("Found %d LightSwitches", len(entities))
 
    async_add_entities(entities)
 
    known_devices: set = config_entry.runtime_data.known_devices
    for known_device in coordinator.data.devices:
        if known_device.device_type == LS_DEVICE_TYPE_UID:
            known_devices.add(known_device)
 
    @callback
    def async_update_data() -> None:
        """Handle updated data from the API endpoint."""
        if not coordinator.last_update_success:
            return
 
        devices = coordinator.data.devices
        entities = []
        known_devices: set = config_entry.runtime_data.known_devices
 
        # Add entities for devices which we've not yet seen
        for device in devices:
            if (
                any(d.device_id == device.device_id for d in known_devices)
                or device.device_type != LS_DEVICE_TYPE_UID
            ):
                continue
 
            iotty_entity = IottyLightSwitch(
                coordinator=coordinator,
                iotty_cloud=coordinator.iotty,
                iotty_device=LightSwitch(
                    device.device_id,
                    device.serial_number,
                    device.device_type,
                    device.device_name,
                ),
            )
 
            entities.extend([iotty_entity])
            known_devices.add(device)
 
        async_add_entities(entities)
 
    # Add a subscriber to the coordinator to discover new devices
    coordinator.async_add_listener(async_update_data)
 
 
class IottyLightSwitch(IottyEntity, SwitchEntity):
    """Haas entity class for iotty LightSwitch."""
 
    _attr_device_class = SwitchDeviceClass.SWITCH
    _iotty_device: LightSwitch
 
    def __init__(
        self,
        coordinator: IottyDataUpdateCoordinator,
        iotty_cloud: IottyProxy,
        iotty_device: LightSwitch,
    ) -> None:
        """Initialize the LightSwitch device."""
        super().__init__(coordinator, iotty_cloud, iotty_device)
 
    @property
    def is_on(self) -> bool:
        """Return true if the LightSwitch is on."""
        _LOGGER.debug(
            "Retrieve device status for %s ? %s",
            self._iotty_device_iotty_device.device_id,
            self._iotty_device_iotty_device.is_on,
        )
        return self._iotty_device_iotty_device.is_on
 
    async def async_turn_on(self, **kwargs: Any) -> None:
        """Turn the LightSwitch on."""
        _LOGGER.debug("[%s] Turning on", self._iotty_device_iotty_device.device_id)
        await self._iotty_cloud_iotty_cloud.command(
            self._iotty_device_iotty_device.device_id, self._iotty_device_iotty_device.cmd_turn_on()
        )
        await self.coordinator.async_request_refresh()
 
    async def async_turn_off(self, **kwargs: Any) -> None:
        """Turn the LightSwitch off."""
        _LOGGER.debug("[%s] Turning off", self._iotty_device_iotty_device.device_id)
        await self._iotty_cloud_iotty_cloud.command(
            self._iotty_device_iotty_device.device_id, self._iotty_device_iotty_device.cmd_turn_off()
        )
        await self.coordinator.async_request_refresh()
 
    @callback
    def _handle_coordinator_update(self) -> None:
        """Handle updated data from the coordinator."""
 
        device: Device = next(
            device
            for device in self.coordinator.data.devices
            if device.device_id == self._iotty_device_iotty_device.device_id
        )
        if isinstance(device, LightSwitch):
            self._iotty_device_iotty_device.is_on = device.is_on
        self.async_write_ha_stateasync_write_ha_state()