number.py

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"""Support for Rituals Perfume Genie numbers."""
 
from __future__ import annotations
 
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Any
 
from pyrituals import Diffuser
 
from homeassistant.components.number import NumberEntity, NumberEntityDescription
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
from .const import DOMAIN
from .coordinator import RitualsDataUpdateCoordinator
from .entity import DiffuserEntity
 
 
@dataclass(frozen=True, kw_only=True)
class RitualsNumberEntityDescription(NumberEntityDescription):
    """Class describing Rituals number entities."""
 
    value_fn: Callable[[Diffuser], int]
    set_value_fn: Callable[[Diffuser, int], Awaitable[Any]]
 
 
ENTITY_DESCRIPTIONS = (
    RitualsNumberEntityDescription(
        key="perfume_amount",
        translation_key="perfume_amount",
        native_min_value=1,
        native_max_value=3,
        value_fn=lambda diffuser: diffuser.perfume_amount,
        set_value_fn=lambda diffuser, value: diffuser.set_perfume_amount(value),
    ),
)
 
 
async def async_setup_entry(
    hass: HomeAssistant,
    config_entry: ConfigEntry,
    async_add_entities: AddEntitiesCallback,
) -> None:
    """Set up the diffuser numbers."""
    coordinators: dict[str, RitualsDataUpdateCoordinator] = hass.data[DOMAIN][
        config_entry.entry_id
    ]
    async_add_entities(
        RitualsNumberEntity(coordinator, description)
        for coordinator in coordinators.values()
        for description in ENTITY_DESCRIPTIONS
    )
 
 
class RitualsNumberEntity(DiffuserEntity, NumberEntity):
    """Representation of a diffuser number entity."""
 
    entity_description: RitualsNumberEntityDescription
 
    @property
    def native_value(self) -> int:
        """Return the number value."""
        return self.entity_descriptionentity_description.value_fn(self.coordinator.diffuser)
 
    async def async_set_native_value(self, value: float) -> None:
        """Change to new number value."""
        if not value.is_integer():
            raise ValueError(f"Can't set value to {value}. Value must be an integer.")
        await self.entity_descriptionentity_description.set_value_fn(
            self.coordinator.diffuser, int(value)
        )