hOn/custom_components/hon/fan.py

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2023-06-09 03:56:52 +00:00
import logging
import math
from dataclasses import dataclass
from typing import Any
from homeassistant.components.fan import (
FanEntityDescription,
FanEntity,
FanEntityFeature,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import callback
from homeassistant.util.percentage import (
percentage_to_ranged_value,
ranged_value_to_percentage,
)
from pyhon.appliance import HonAppliance
from pyhon.parameter.range import HonParameterRange
from .const import DOMAIN
from .hon import HonEntity
_LOGGER = logging.getLogger(__name__)
@dataclass
class HonFanEntityDescription(FanEntityDescription):
pass
FANS = {
"HO": (
HonFanEntityDescription(
key="settings.windSpeed",
name="Wind Speed",
translation_key="air_extraction",
),
),
}
async def async_setup_entry(hass, entry: ConfigEntry, async_add_entities) -> None:
entities = []
for device in hass.data[DOMAIN][entry.unique_id].appliances:
for description in FANS.get(device.appliance_type, []):
if isinstance(description, HonFanEntityDescription):
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if description.key not in device.available_settings or device.get(
description.key.split(".")[-1] is None
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):
continue
entity = HonFanEntity(hass, entry, device, description)
else:
continue
await entity.coordinator.async_config_entry_first_refresh()
entities.append(entity)
async_add_entities(entities)
class HonFanEntity(HonEntity, FanEntity):
entity_description: HonFanEntityDescription
def __init__(self, hass, entry, device: HonAppliance, description) -> None:
self._attr_supported_features = FanEntityFeature.SET_SPEED
self._wind_speed: HonParameterRange = device.settings.get(description.key)
self._speed_range = (
int(self._wind_speed.values[1]),
int(self._wind_speed.values[-1]),
)
self._command, self._parameter = description.key.split(".")
super().__init__(hass, entry, device, description)
self._handle_coordinator_update(update=False)
@property
def percentage(self) -> int | None:
"""Return the current speed."""
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value = self._device.get(self._parameter, 0)
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return ranged_value_to_percentage(self._speed_range, value)
@property
def speed_count(self) -> int:
"""Return the number of speeds the fan supports."""
return len(self._wind_speed.values[1:])
async def async_set_percentage(self, percentage: int) -> None:
"""Set the speed percentage of the fan."""
mode = math.ceil(percentage_to_ranged_value(self._speed_range, percentage))
self._device.settings[self.entity_description.key].value = mode
await self._device.commands[self._command].send()
self.async_write_ha_state()
@property
def is_on(self) -> bool | None:
"""Return true if device is on."""
mode = math.ceil(percentage_to_ranged_value(self._speed_range, self.percentage))
return mode > self._wind_speed.min
async def async_turn_on(
self,
percentage: int | None = None,
preset_mode: str | None = None,
**kwargs: Any,
) -> None:
"""Turn the entity on."""
if percentage is None:
percentage = ranged_value_to_percentage(
self._speed_range, int(self._wind_speed.values[1])
)
await self.async_set_percentage(percentage)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the entity off."""
self._device.settings[self.entity_description.key].value = 0
await self._device.commands[self._command].send()
self.async_write_ha_state()
@callback
def _handle_coordinator_update(self, update=True) -> None:
self._wind_speed = self._device.settings.get(self.entity_description.key)
self._attr_percentage = self.percentage
if update:
self.async_write_ha_state()