Files
core/homeassistant/components/casper_glow/sensor.py
2026-04-06 15:09:18 +02:00

135 lines
4.8 KiB
Python

"""Casper Glow integration sensor platform."""
from __future__ import annotations
from datetime import datetime, timedelta
from pycasperglow import GlowState
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorStateClass,
)
from homeassistant.const import PERCENTAGE, EntityCategory
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import format_mac
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.util.dt import utcnow
from homeassistant.util.variance import ignore_variance
from .coordinator import CasperGlowConfigEntry, CasperGlowCoordinator
from .entity import CasperGlowEntity
PARALLEL_UPDATES = 0
async def async_setup_entry(
hass: HomeAssistant,
entry: CasperGlowConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up the sensor platform for Casper Glow."""
async_add_entities(
[
CasperGlowBatterySensor(entry.runtime_data),
CasperGlowDimmingEndTimeSensor(entry.runtime_data),
]
)
class CasperGlowBatterySensor(CasperGlowEntity, SensorEntity):
"""Sensor entity for Casper Glow battery level."""
_attr_device_class = SensorDeviceClass.BATTERY
_attr_native_unit_of_measurement = PERCENTAGE
_attr_state_class = SensorStateClass.MEASUREMENT
_attr_entity_category = EntityCategory.DIAGNOSTIC
def __init__(self, coordinator: CasperGlowCoordinator) -> None:
"""Initialize the battery sensor."""
super().__init__(coordinator)
self._attr_unique_id = f"{format_mac(coordinator.device.address)}_battery"
if coordinator.device.state.battery_level is not None:
self._attr_native_value = coordinator.device.state.battery_level.percentage
async def async_added_to_hass(self) -> None:
"""Register state update callback when entity is added."""
await super().async_added_to_hass()
self.async_on_remove(
self._device.register_callback(self._async_handle_state_update)
)
@callback
def _async_handle_state_update(self, state: GlowState) -> None:
"""Handle a state update from the device."""
if state.battery_level is not None:
new_value = state.battery_level.percentage
if new_value != self._attr_native_value:
self._attr_native_value = new_value
self.async_write_ha_state()
class CasperGlowDimmingEndTimeSensor(CasperGlowEntity, SensorEntity):
"""Sensor entity for Casper Glow dimming end time."""
_attr_translation_key = "dimming_end_time"
_attr_device_class = SensorDeviceClass.TIMESTAMP
_attr_entity_registry_enabled_default = False
def __init__(self, coordinator: CasperGlowCoordinator) -> None:
"""Initialize the dimming end time sensor."""
super().__init__(coordinator)
self._attr_unique_id = (
f"{format_mac(coordinator.device.address)}_dimming_end_time"
)
self._is_paused = False
self._projected_end_time = ignore_variance(
self._calculate_end_time,
timedelta(minutes=1, seconds=30),
)
self._update_from_state(coordinator.device.state)
@staticmethod
def _calculate_end_time(remaining_ms: int) -> datetime:
"""Calculate projected dimming end time from remaining milliseconds."""
return utcnow() + timedelta(milliseconds=remaining_ms)
async def async_added_to_hass(self) -> None:
"""Register state update callback when entity is added."""
await super().async_added_to_hass()
self.async_on_remove(
self._device.register_callback(self._async_handle_state_update)
)
def _reset_projected_end_time(self) -> None:
"""Clear the projected end time and reset the variance filter."""
self._attr_native_value = None
self._projected_end_time = ignore_variance(
self._calculate_end_time,
timedelta(minutes=1, seconds=30),
)
@callback
def _update_from_state(self, state: GlowState) -> None:
"""Update entity attributes from device state."""
if state.is_paused is not None:
self._is_paused = state.is_paused
if self._is_paused:
self._reset_projected_end_time()
return
remaining_ms = state.dimming_time_remaining_ms
if not remaining_ms:
if remaining_ms == 0 or state.is_on is False:
self._reset_projected_end_time()
return
self._attr_native_value = self._projected_end_time(remaining_ms)
@callback
def _async_handle_state_update(self, state: GlowState) -> None:
"""Handle a state update from the device."""
self._update_from_state(state)
self.async_write_ha_state()