Files
ha-solaredge-optimizers/custom_components/solaredge_optimizers/sensor.py
T

148 lines
4.8 KiB
Python

"""Sensors for SolarEdge Optimizers."""
from __future__ import annotations
from collections.abc import Callable
from dataclasses import dataclass
from typing import Any
from homeassistant.components.sensor import (
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.const import UnitOfEnergy, UnitOfPower
from homeassistant.core import callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import SolarEdgeOptimizerConfigEntry
from .api import OptimizerData
from .const import DOMAIN
from .coordinator import SolarEdgeOptimizerCoordinator
type OptimizerValue = float | None
@dataclass(frozen=True, kw_only=True)
class SolarEdgeOptimizerSensorDescription(SensorEntityDescription):
"""Describe an optimizer sensor."""
value_fn: Callable[[OptimizerData], OptimizerValue]
SENSOR_DESCRIPTIONS = (
SolarEdgeOptimizerSensorDescription(
key="daily_energy",
translation_key="daily_energy",
device_class=SensorDeviceClass.ENERGY,
native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
state_class=SensorStateClass.TOTAL_INCREASING,
suggested_display_precision=1,
value_fn=lambda optimizer: optimizer.daily_energy_wh,
),
SolarEdgeOptimizerSensorDescription(
key="current_power",
translation_key="current_power",
device_class=SensorDeviceClass.POWER,
native_unit_of_measurement=UnitOfPower.WATT,
state_class=SensorStateClass.MEASUREMENT,
suggested_display_precision=1,
value_fn=lambda optimizer: optimizer.current_power_w,
),
)
async def async_setup_entry(
hass: Any,
entry: SolarEdgeOptimizerConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up optimizer sensors from a config entry."""
coordinator = entry.runtime_data
known_serials: set[str] = set()
@callback
def async_add_new_optimizers() -> None:
new_optimizers = [
optimizer
for optimizer in coordinator.data.optimizers
if optimizer.serial not in known_serials
]
if not new_optimizers:
return
known_serials.update(optimizer.serial for optimizer in new_optimizers)
async_add_entities(
SolarEdgeOptimizerSensor(coordinator, optimizer.serial, description)
for optimizer in new_optimizers
for description in SENSOR_DESCRIPTIONS
)
async_add_new_optimizers()
entry.async_on_unload(coordinator.async_add_listener(async_add_new_optimizers))
class SolarEdgeOptimizerSensor(
CoordinatorEntity[SolarEdgeOptimizerCoordinator], SensorEntity
):
"""Represent one optimizer reading."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: SolarEdgeOptimizerCoordinator,
serial: str,
description: SolarEdgeOptimizerSensorDescription,
) -> None:
"""Initialize a sensor."""
super().__init__(coordinator)
self.entity_description = description
self._serial = serial
self._attr_unique_id = f"{coordinator.data.site_id}_{serial}_{description.key}"
optimizer = coordinator.data.optimizers_by_serial[serial]
self._attr_translation_placeholders = {
"optimizer_id": optimizer.optimizer_id or serial
}
@property
def _optimizer(self) -> OptimizerData | None:
return self.coordinator.data.optimizers_by_serial.get(self._serial)
@property
def native_value(self) -> OptimizerValue:
"""Return the current sensor value."""
if (optimizer := self._optimizer) is None:
return None
return self.entity_description.value_fn(optimizer)
@property
def available(self) -> bool:
"""Return whether this individual reading is available."""
return super().available and self.native_value is not None
@property
def device_info(self) -> DeviceInfo:
"""Return the shared SolarEdge site device information."""
site_id = self.coordinator.data.site_id
return DeviceInfo(
identifiers={(DOMAIN, site_id)},
manufacturer="SolarEdge",
model="Optimizer Monitoring Site",
name=f"SolarEdge Site {site_id}",
)
@property
def extra_state_attributes(self) -> dict[str, Any]:
"""Return stable optimizer metadata."""
if (optimizer := self._optimizer) is None:
return {}
return {
"optimizer_id": optimizer.optimizer_id,
"string_id": optimizer.string_id,
"inverter_id": optimizer.inverter_id,
"last_measurement": optimizer.last_measurement,
}