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123 lines
3.9 KiB
Python

"""Support for OpenEVSE number entities."""
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Any, override
from openevsehttp.__main__ import OpenEVSE
from homeassistant.components.number import (
NumberDeviceClass,
NumberEntity,
NumberEntityDescription,
)
from homeassistant.const import (
ATTR_CONNECTIONS,
ATTR_SERIAL_NUMBER,
EntityCategory,
UnitOfElectricCurrent,
)
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN
from .coordinator import OpenEVSEConfigEntry, OpenEVSEDataUpdateCoordinator
from .helpers import openevse_exception_handler
PARALLEL_UPDATES = 0
@dataclass(frozen=True, kw_only=True)
class OpenEVSENumberDescription(NumberEntityDescription):
"""Describes an OpenEVSE number entity."""
value_fn: Callable[[OpenEVSE], float]
min_value_fn: Callable[[OpenEVSE], float]
max_value_fn: Callable[[OpenEVSE], float]
set_value_fn: Callable[[OpenEVSE, float], Awaitable[Any]]
NUMBER_TYPES: tuple[OpenEVSENumberDescription, ...] = (
OpenEVSENumberDescription(
key="charge_rate",
translation_key="charge_rate",
value_fn=lambda ev: ev.max_current_soft or 0,
min_value_fn=lambda ev: ev.min_amps or 0,
max_value_fn=lambda ev: ev.max_amps or 0,
set_value_fn=lambda ev, value: ev.set_current(int(value)),
native_step=1.0,
entity_category=EntityCategory.CONFIG,
native_unit_of_measurement=UnitOfElectricCurrent.AMPERE,
device_class=NumberDeviceClass.CURRENT,
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: OpenEVSEConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up OpenEVSE sensors based on config entry."""
coordinator = entry.runtime_data
identifier = entry.unique_id or entry.entry_id
async_add_entities(
OpenEVSENumber(coordinator, description, identifier, entry.unique_id)
for description in NUMBER_TYPES
)
class OpenEVSENumber(CoordinatorEntity[OpenEVSEDataUpdateCoordinator], NumberEntity):
"""Implementation of an OpenEVSE sensor."""
_attr_has_entity_name = True
entity_description: OpenEVSENumberDescription
def __init__(
self,
coordinator: OpenEVSEDataUpdateCoordinator,
description: OpenEVSENumberDescription,
identifier: str,
unique_id: str | None,
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator)
self.entity_description = description
self._attr_unique_id = f"{identifier}-{description.key}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, identifier)},
manufacturer="OpenEVSE",
)
if unique_id:
self._attr_device_info[ATTR_CONNECTIONS] = {
(CONNECTION_NETWORK_MAC, unique_id)
}
self._attr_device_info[ATTR_SERIAL_NUMBER] = unique_id
@property
@override
def native_value(self) -> float:
"""Return the state of the number."""
return self.entity_description.value_fn(self.coordinator.charger)
@property
@override
def native_min_value(self) -> float:
"""Return the minimum value."""
return self.entity_description.min_value_fn(self.coordinator.charger)
@property
@override
def native_max_value(self) -> float:
"""Return the maximum value."""
return self.entity_description.max_value_fn(self.coordinator.charger)
@override
async def async_set_native_value(self, value: float) -> None:
"""Set new value."""
with openevse_exception_handler(value):
await self.entity_description.set_value_fn(self.coordinator.charger, value)