core/homeassistant/components/monzo/sensor.py

122 lines
3.4 KiB
Python

"""Platform for sensor integration."""
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,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import StateType
from . import MonzoCoordinator
from .const import DOMAIN
from .coordinator import MonzoData
from .entity import MonzoBaseEntity
@dataclass(frozen=True, kw_only=True)
class MonzoSensorEntityDescription(SensorEntityDescription):
"""Describes Monzo sensor entity."""
value_fn: Callable[[dict[str, Any]], StateType]
ACCOUNT_SENSORS = (
MonzoSensorEntityDescription(
key="balance",
translation_key="balance",
value_fn=lambda data: data["balance"]["balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
native_unit_of_measurement="GBP",
suggested_display_precision=2,
),
MonzoSensorEntityDescription(
key="total_balance",
translation_key="total_balance",
value_fn=lambda data: data["balance"]["total_balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
native_unit_of_measurement="GBP",
suggested_display_precision=2,
),
)
POT_SENSORS = (
MonzoSensorEntityDescription(
key="pot_balance",
translation_key="pot_balance",
value_fn=lambda data: data["balance"] / 100,
device_class=SensorDeviceClass.MONETARY,
native_unit_of_measurement="GBP",
suggested_display_precision=2,
),
)
MODEL_POT = "Pot"
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Defer sensor setup to the shared sensor module."""
coordinator: MonzoCoordinator = hass.data[DOMAIN][config_entry.entry_id]
accounts = [
MonzoSensor(
coordinator,
entity_description,
index,
account["name"],
lambda x: x.accounts,
)
for entity_description in ACCOUNT_SENSORS
for index, account in enumerate(coordinator.data.accounts)
]
pots = [
MonzoSensor(coordinator, entity_description, index, MODEL_POT, lambda x: x.pots)
for entity_description in POT_SENSORS
for index, _pot in enumerate(coordinator.data.pots)
]
async_add_entities(accounts + pots)
class MonzoSensor(MonzoBaseEntity, SensorEntity):
"""Represents a Monzo sensor."""
entity_description: MonzoSensorEntityDescription
def __init__(
self,
coordinator: MonzoCoordinator,
entity_description: MonzoSensorEntityDescription,
index: int,
device_model: str,
data_accessor: Callable[[MonzoData], list[dict[str, Any]]],
) -> None:
"""Initialize the sensor."""
super().__init__(coordinator, index, device_model, data_accessor)
self.entity_description = entity_description
self._attr_unique_id = f"{self.data['id']}_{entity_description.key}"
@property
def native_value(self) -> StateType:
"""Return the state."""
try:
state = self.entity_description.value_fn(self.data)
except (KeyError, ValueError):
return None
return state