core/homeassistant/components/lamarzocco/entity.py

72 lines
2.2 KiB
Python

"""Base class for the La Marzocco entities."""
from collections.abc import Callable
from dataclasses import dataclass
from pylamarzocco.const import FirmwareType
from pylamarzocco.lm_machine import LaMarzoccoMachine
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity import EntityDescription
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from .const import DOMAIN
from .coordinator import LaMarzoccoUpdateCoordinator
@dataclass(frozen=True, kw_only=True)
class LaMarzoccoEntityDescription(EntityDescription):
"""Description for all LM entities."""
available_fn: Callable[[LaMarzoccoMachine], bool] = lambda _: True
supported_fn: Callable[[LaMarzoccoUpdateCoordinator], bool] = lambda _: True
class LaMarzoccoBaseEntity(
CoordinatorEntity[LaMarzoccoUpdateCoordinator],
):
"""Common elements for all entities."""
_attr_has_entity_name = True
def __init__(
self,
coordinator: LaMarzoccoUpdateCoordinator,
key: str,
) -> None:
"""Initialize the entity."""
super().__init__(coordinator)
device = coordinator.device
self._attr_unique_id = f"{device.serial_number}_{key}"
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, device.serial_number)},
name=device.name,
manufacturer="La Marzocco",
model=device.full_model_name,
model_id=device.model,
serial_number=device.serial_number,
sw_version=device.firmware[FirmwareType.MACHINE].current_version,
)
class LaMarzoccoEntity(LaMarzoccoBaseEntity):
"""Common elements for all entities."""
entity_description: LaMarzoccoEntityDescription
@property
def available(self) -> bool:
"""Return True if entity is available."""
if super().available:
return self.entity_description.available_fn(self.coordinator.device)
return False
def __init__(
self,
coordinator: LaMarzoccoUpdateCoordinator,
entity_description: LaMarzoccoEntityDescription,
) -> None:
"""Initialize the entity."""
super().__init__(coordinator, entity_description.key)
self.entity_description = entity_description