core/homeassistant/components/zwave_js/sensor.py

148 lines
5.0 KiB
Python

"""Representation of Z-Wave sensors."""
import logging
from typing import Callable, Dict, List, Optional
from zwave_js_server.client import Client as ZwaveClient
from zwave_js_server.const import CommandClass
from homeassistant.components.sensor import (
DEVICE_CLASS_BATTERY,
DEVICE_CLASS_ENERGY,
DEVICE_CLASS_POWER,
DOMAIN as SENSOR_DOMAIN,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_CELSIUS, TEMP_FAHRENHEIT
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from .const import DATA_CLIENT, DATA_UNSUBSCRIBE, DOMAIN
from .discovery import ZwaveDiscoveryInfo
from .entity import ZWaveBaseEntity
LOGGER = logging.getLogger(__name__)
async def async_setup_entry(
hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities: Callable
) -> None:
"""Set up Z-Wave sensor from config entry."""
client: ZwaveClient = hass.data[DOMAIN][config_entry.entry_id][DATA_CLIENT]
@callback
def async_add_sensor(info: ZwaveDiscoveryInfo) -> None:
"""Add Z-Wave Sensor."""
entities: List[ZWaveBaseEntity] = []
if info.platform_hint == "string_sensor":
entities.append(ZWaveStringSensor(client, info))
elif info.platform_hint == "numeric_sensor":
entities.append(ZWaveNumericSensor(client, info))
else:
LOGGER.warning(
"Sensor not implemented for %s/%s",
info.platform_hint,
info.primary_value.propertyname,
)
return
async_add_entities(entities)
hass.data[DOMAIN][config_entry.entry_id][DATA_UNSUBSCRIBE].append(
async_dispatcher_connect(
hass, f"{DOMAIN}_add_{SENSOR_DOMAIN}", async_add_sensor
)
)
class ZwaveSensorBase(ZWaveBaseEntity):
"""Basic Representation of a Z-Wave sensor."""
@property
def device_class(self) -> Optional[str]:
"""Return the device class of the sensor."""
if self.info.primary_value.command_class == CommandClass.BATTERY:
return DEVICE_CLASS_BATTERY
if self.info.primary_value.command_class == CommandClass.METER:
if self.info.primary_value.property_key_name == "kWh_Consumed":
return DEVICE_CLASS_ENERGY
return DEVICE_CLASS_POWER
if self.info.primary_value.property_ == "Air temperature":
return DEVICE_CLASS_TEMPERATURE
return None
@property
def entity_registry_enabled_default(self) -> bool:
"""Return if the entity should be enabled when first added to the entity registry."""
# We hide some of the more advanced sensors by default to not overwhelm users
if self.info.primary_value.command_class in [
CommandClass.BASIC,
CommandClass.INDICATOR,
CommandClass.NOTIFICATION,
]:
return False
return True
@property
def force_update(self) -> bool:
"""Force updates."""
return True
class ZWaveStringSensor(ZwaveSensorBase):
"""Representation of a Z-Wave String sensor."""
@property
def state(self) -> Optional[str]:
"""Return state of the sensor."""
if self.info.primary_value.value is None:
return None
return str(self.info.primary_value.value)
@property
def unit_of_measurement(self) -> Optional[str]:
"""Return unit of measurement the value is expressed in."""
if self.info.primary_value.metadata.unit is None:
return None
return str(self.info.primary_value.metadata.unit)
class ZWaveNumericSensor(ZwaveSensorBase):
"""Representation of a Z-Wave Numeric sensor."""
@property
def state(self) -> float:
"""Return state of the sensor."""
if self.info.primary_value.value is None:
return 0
return round(float(self.info.primary_value.value), 2)
@property
def unit_of_measurement(self) -> Optional[str]:
"""Return unit of measurement the value is expressed in."""
if self.info.primary_value.metadata.unit is None:
return None
if self.info.primary_value.metadata.unit == "C":
return TEMP_CELSIUS
if self.info.primary_value.metadata.unit == "F":
return TEMP_FAHRENHEIT
return str(self.info.primary_value.metadata.unit)
@property
def device_state_attributes(self) -> Optional[Dict[str, str]]:
"""Return the device specific state attributes."""
if (
self.info.primary_value.value is None
or not self.info.primary_value.metadata.states
):
return None
# add the value's label as property for multi-value (list) items
label = self.info.primary_value.metadata.states.get(
self.info.primary_value.value
) or self.info.primary_value.metadata.states.get(
str(self.info.primary_value.value)
)
return {"label": label}