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core/homeassistant/components/gardena_bluetooth/select.py

114 lines
3.7 KiB
Python

"""Support for select entities."""
from __future__ import annotations
from dataclasses import dataclass, field
from enum import IntEnum
from gardena_bluetooth.const import (
AquaContour,
AquaContourPosition,
AquaContourWatering,
)
from gardena_bluetooth.parse import CharacteristicInt
from homeassistant.components.select import SelectEntity, SelectEntityDescription
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .coordinator import GardenaBluetoothConfigEntry
from .entity import GardenaBluetoothDescriptorEntity
def _enum_to_int(enum: type[IntEnum]) -> dict[str, int]:
return {member.name.lower(): member.value for member in enum}
def _reverse_dict(value: dict[str, int]) -> dict[int, str]:
return {value: key for key, value in value.items()}
@dataclass(frozen=True, kw_only=True)
class GardenaBluetoothSelectEntityDescription(SelectEntityDescription):
"""Description of entity."""
key: str = field(init=False)
char: CharacteristicInt
option_to_number: dict[str, int]
number_to_option: dict[int, str] = field(init=False)
def __post_init__(self):
"""Initialize calculated fields."""
object.__setattr__(self, "key", self.char.unique_id)
object.__setattr__(self, "options", list(self.option_to_number.keys()))
object.__setattr__(
self, "number_to_option", _reverse_dict(self.option_to_number)
)
@property
def context(self) -> set[str]:
"""Context needed for update coordinator."""
return {self.char.uuid}
DESCRIPTIONS = (
GardenaBluetoothSelectEntityDescription(
translation_key="watering_active",
char=AquaContourWatering.watering_active,
option_to_number=_enum_to_int(AquaContourWatering.watering_active.enum),
),
GardenaBluetoothSelectEntityDescription(
translation_key="operation_mode",
char=AquaContour.operation_mode,
option_to_number=_enum_to_int(AquaContour.operation_mode.enum),
),
GardenaBluetoothSelectEntityDescription(
translation_key="active_position",
char=AquaContourPosition.active_position,
option_to_number={
"position_1": 1,
"position_2": 2,
"position_3": 3,
"position_4": 4,
"position_5": 5,
},
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: GardenaBluetoothConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up select based on a config entry."""
coordinator = entry.runtime_data
entities = [
GardenaBluetoothSelectEntity(coordinator, description, description.context)
for description in DESCRIPTIONS
if description.char.unique_id in coordinator.characteristics
]
async_add_entities(entities)
class GardenaBluetoothSelectEntity(GardenaBluetoothDescriptorEntity, SelectEntity):
"""Representation of a select entity."""
entity_description: GardenaBluetoothSelectEntityDescription
@property
def current_option(self) -> str | None:
"""Return the selected entity option to represent the entity state."""
char = self.entity_description.char
value = self.coordinator.get_cached(char)
if value is None:
return None
return self.entity_description.number_to_option.get(value)
async def async_select_option(self, option: str) -> None:
"""Change the selected option."""
char = self.entity_description.char
value = self.entity_description.option_to_number[option]
await self.coordinator.write(char, value)
self.async_write_ha_state()