core/homeassistant/components/litterrobot/sensor.py

125 lines
4.0 KiB
Python

"""Support for Litter-Robot sensors."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from datetime import datetime
from typing import Any, Union, cast
from pylitterbot.robot import Robot
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import PERCENTAGE
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity import EntityCategory
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DOMAIN
from .entity import LitterRobotEntity
from .hub import LitterRobotHub
def icon_for_gauge_level(gauge_level: int | None = None, offset: int = 0) -> str:
"""Return a gauge icon valid identifier."""
if gauge_level is None or gauge_level <= 0 + offset:
return "mdi:gauge-empty"
if gauge_level > 70 + offset:
return "mdi:gauge-full"
if gauge_level > 30 + offset:
return "mdi:gauge"
return "mdi:gauge-low"
@dataclass
class LitterRobotSensorEntityDescription(SensorEntityDescription):
"""A class that describes Litter-Robot sensor entities."""
icon_fn: Callable[[Any], str | None] = lambda _: None
should_report: Callable[[Robot], bool] = lambda _: True
class LitterRobotSensorEntity(LitterRobotEntity, SensorEntity):
"""Litter-Robot sensor entity."""
entity_description: LitterRobotSensorEntityDescription
def __init__(
self,
robot: Robot,
hub: LitterRobotHub,
description: LitterRobotSensorEntityDescription,
) -> None:
"""Initialize a Litter-Robot sensor entity."""
assert description.name
super().__init__(robot, description.name, hub)
self.entity_description = description
@property
def native_value(self) -> float | datetime | str | None:
"""Return the state."""
if self.entity_description.should_report(self.robot):
if isinstance(val := getattr(self.robot, self.entity_description.key), str):
return val.lower()
return cast(Union[float, datetime, None], val)
return None
@property
def icon(self) -> str | None:
"""Return the icon to use in the frontend, if any."""
if (icon := self.entity_description.icon_fn(self.state)) is not None:
return icon
return super().icon
ROBOT_SENSORS = [
LitterRobotSensorEntityDescription(
name="Waste Drawer",
key="waste_drawer_level",
native_unit_of_measurement=PERCENTAGE,
icon_fn=lambda state: icon_for_gauge_level(state, 10),
),
LitterRobotSensorEntityDescription(
name="Sleep Mode Start Time",
key="sleep_mode_start_time",
device_class=SensorDeviceClass.TIMESTAMP,
should_report=lambda robot: robot.sleep_mode_enabled, # type: ignore[no-any-return]
),
LitterRobotSensorEntityDescription(
name="Sleep Mode End Time",
key="sleep_mode_end_time",
device_class=SensorDeviceClass.TIMESTAMP,
should_report=lambda robot: robot.sleep_mode_enabled, # type: ignore[no-any-return]
),
LitterRobotSensorEntityDescription(
name="Last Seen",
key="last_seen",
device_class=SensorDeviceClass.TIMESTAMP,
entity_category=EntityCategory.DIAGNOSTIC,
),
LitterRobotSensorEntityDescription(
name="Status Code",
key="status_code",
device_class="litterrobot__status_code",
entity_category=EntityCategory.DIAGNOSTIC,
),
]
async def async_setup_entry(
hass: HomeAssistant,
entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Litter-Robot sensors using config entry."""
hub: LitterRobotHub = hass.data[DOMAIN][entry.entry_id]
async_add_entities(
LitterRobotSensorEntity(robot=robot, hub=hub, description=description)
for description in ROBOT_SENSORS
for robot in hub.account.robots
)