core/homeassistant/components/smartthings/fan.py

102 lines
3.4 KiB
Python

"""Support for fans through the SmartThings cloud API."""
from __future__ import annotations
from collections.abc import Sequence
import math
from typing import Any
from pysmartthings import Capability
from homeassistant.components.fan import FanEntity, FanEntityFeature
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.util.percentage import (
int_states_in_range,
percentage_to_ranged_value,
ranged_value_to_percentage,
)
from . import SmartThingsEntity
from .const import DATA_BROKERS, DOMAIN
SPEED_RANGE = (1, 3) # off is not included
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Add fans for a config entry."""
broker = hass.data[DOMAIN][DATA_BROKERS][config_entry.entry_id]
async_add_entities(
[
SmartThingsFan(device)
for device in broker.devices.values()
if broker.any_assigned(device.device_id, "fan")
]
)
def get_capabilities(capabilities: Sequence[str]) -> Sequence[str] | None:
"""Return all capabilities supported if minimum required are present."""
supported = [Capability.switch, Capability.fan_speed]
# Must have switch and fan_speed
if all(capability in capabilities for capability in supported):
return supported
return None
class SmartThingsFan(SmartThingsEntity, FanEntity):
"""Define a SmartThings Fan."""
_attr_supported_features = FanEntityFeature.SET_SPEED
async def async_set_percentage(self, percentage: int) -> None:
"""Set the speed percentage of the fan."""
await self._async_set_percentage(percentage)
async def _async_set_percentage(self, percentage: int | None) -> None:
if percentage is None:
await self._device.switch_on(set_status=True)
elif percentage == 0:
await self._device.switch_off(set_status=True)
else:
value = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
await self._device.set_fan_speed(value, set_status=True)
# State is set optimistically in the command above, therefore update
# the entity state ahead of receiving the confirming push updates
self.async_write_ha_state()
async def async_turn_on(
self,
percentage: int | None = None,
preset_mode: str | None = None,
**kwargs: Any,
) -> None:
"""Turn the fan on."""
await self._async_set_percentage(percentage)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the fan off."""
await self._device.switch_off(set_status=True)
# State is set optimistically in the command above, therefore update
# the entity state ahead of receiving the confirming push updates
self.async_write_ha_state()
@property
def is_on(self) -> bool:
"""Return true if fan is on."""
return self._device.status.switch
@property
def percentage(self) -> int:
"""Return the current speed percentage."""
return ranged_value_to_percentage(SPEED_RANGE, self._device.status.fan_speed)
@property
def speed_count(self) -> int:
"""Return the number of speeds the fan supports."""
return int_states_in_range(SPEED_RANGE)