core/homeassistant/components/rainmachine/sensor.py

359 lines
13 KiB
Python

"""Support for sensor data from RainMachine."""
from __future__ import annotations
from dataclasses import dataclass
from datetime import datetime, timedelta
from typing import Any, cast
from homeassistant.components.sensor import (
DOMAIN as SENSOR_DOMAIN,
RestoreSensor,
SensorDeviceClass,
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory, UnitOfVolume
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.util.dt import utc_from_timestamp, utcnow
from . import RainMachineConfigEntry, RainMachineData
from .const import DATA_PROGRAMS, DATA_PROVISION_SETTINGS, DATA_ZONES
from .entity import RainMachineEntity, RainMachineEntityDescription
from .util import (
RUN_STATE_MAP,
EntityDomainReplacementStrategy,
RunStates,
async_finish_entity_domain_replacements,
key_exists,
)
DEFAULT_ZONE_COMPLETION_TIME_WOBBLE_TOLERANCE = timedelta(seconds=5)
TYPE_FLOW_SENSOR_CLICK_M3 = "flow_sensor_clicks_cubic_meter"
TYPE_FLOW_SENSOR_CONSUMED_LITERS = "flow_sensor_consumed_liters"
TYPE_FLOW_SENSOR_LEAK_CLICKS = "flow_sensor_leak_clicks"
TYPE_FLOW_SENSOR_LEAK_VOLUME = "flow_sensor_leak_volume"
TYPE_FLOW_SENSOR_START_INDEX = "flow_sensor_start_index"
TYPE_FLOW_SENSOR_WATERING_CLICKS = "flow_sensor_watering_clicks"
TYPE_LAST_LEAK_DETECTED = "last_leak_detected"
TYPE_PROGRAM_RUN_COMPLETION_TIME = "program_run_completion_time"
TYPE_RAIN_SENSOR_RAIN_START = "rain_sensor_rain_start"
TYPE_ZONE_RUN_COMPLETION_TIME = "zone_run_completion_time"
@dataclass(frozen=True, kw_only=True)
class RainMachineSensorDataDescription(
SensorEntityDescription, RainMachineEntityDescription
):
"""Describe a RainMachine sensor."""
data_key: str
@dataclass(frozen=True, kw_only=True)
class RainMachineSensorCompletionTimerDescription(
SensorEntityDescription, RainMachineEntityDescription
):
"""Describe a RainMachine completion timer sensor."""
uid: int
SENSOR_DESCRIPTIONS = (
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_CLICK_M3,
translation_key=TYPE_FLOW_SENSOR_CLICK_M3,
native_unit_of_measurement=f"clicks/{UnitOfVolume.CUBIC_METERS}",
entity_category=EntityCategory.DIAGNOSTIC,
entity_registry_enabled_default=False,
state_class=SensorStateClass.MEASUREMENT,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorClicksPerCubicMeter",
),
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_CONSUMED_LITERS,
translation_key=TYPE_FLOW_SENSOR_CONSUMED_LITERS,
device_class=SensorDeviceClass.WATER,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfVolume.LITERS,
entity_registry_enabled_default=False,
state_class=SensorStateClass.TOTAL_INCREASING,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorWateringClicks",
),
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_LEAK_CLICKS,
translation_key=TYPE_FLOW_SENSOR_LEAK_CLICKS,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement="clicks",
entity_registry_enabled_default=False,
state_class=SensorStateClass.TOTAL_INCREASING,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorLeakClicks",
),
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_LEAK_VOLUME,
translation_key=TYPE_FLOW_SENSOR_LEAK_VOLUME,
device_class=SensorDeviceClass.WATER,
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement=UnitOfVolume.LITERS,
entity_registry_enabled_default=False,
state_class=SensorStateClass.TOTAL_INCREASING,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorLeakClicks",
),
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_START_INDEX,
translation_key=TYPE_FLOW_SENSOR_START_INDEX,
icon="mdi:water-pump",
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement="index",
entity_registry_enabled_default=False,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorStartIndex",
),
RainMachineSensorDataDescription(
key=TYPE_FLOW_SENSOR_WATERING_CLICKS,
translation_key=TYPE_FLOW_SENSOR_WATERING_CLICKS,
icon="mdi:water-pump",
entity_category=EntityCategory.DIAGNOSTIC,
native_unit_of_measurement="clicks",
entity_registry_enabled_default=False,
state_class=SensorStateClass.TOTAL_INCREASING,
api_category=DATA_PROVISION_SETTINGS,
data_key="flowSensorWateringClicks",
),
RainMachineSensorDataDescription(
key=TYPE_LAST_LEAK_DETECTED,
translation_key=TYPE_LAST_LEAK_DETECTED,
icon="mdi:pipe-leak",
entity_category=EntityCategory.DIAGNOSTIC,
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.TIMESTAMP,
api_category=DATA_PROVISION_SETTINGS,
data_key="lastLeakDetected",
),
RainMachineSensorDataDescription(
key=TYPE_RAIN_SENSOR_RAIN_START,
translation_key=TYPE_RAIN_SENSOR_RAIN_START,
icon="mdi:weather-pouring",
entity_category=EntityCategory.DIAGNOSTIC,
entity_registry_enabled_default=False,
device_class=SensorDeviceClass.TIMESTAMP,
api_category=DATA_PROVISION_SETTINGS,
data_key="rainSensorRainStart",
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: RainMachineConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up RainMachine sensors based on a config entry."""
data = entry.runtime_data
async_finish_entity_domain_replacements(
hass,
entry,
(
EntityDomainReplacementStrategy(
SENSOR_DOMAIN,
f"{data.controller.mac}_freeze_protect_temp",
f"select.{data.controller.name.lower()}_freeze_protect_temperature",
breaks_in_ha_version="2022.12.0",
remove_old_entity=True,
),
),
)
api_category_sensor_map = {
DATA_PROVISION_SETTINGS: ProvisionSettingsSensor,
}
sensors: list[ProvisionSettingsSensor | TimeRemainingSensor] = [
api_category_sensor_map[description.api_category](entry, data, description)
for description in SENSOR_DESCRIPTIONS
if (
(coordinator := data.coordinators[description.api_category]) is not None
and coordinator.data
and key_exists(coordinator.data, description.data_key)
)
]
program_coordinator = data.coordinators[DATA_PROGRAMS]
zone_coordinator = data.coordinators[DATA_ZONES]
for uid, program in program_coordinator.data.items():
sensors.append(
ProgramTimeRemainingSensor(
entry,
data,
RainMachineSensorCompletionTimerDescription(
key=f"{TYPE_PROGRAM_RUN_COMPLETION_TIME}_{uid}",
name=f"{program['name']} Run Completion Time",
device_class=SensorDeviceClass.TIMESTAMP,
entity_category=EntityCategory.DIAGNOSTIC,
api_category=DATA_PROGRAMS,
uid=uid,
),
)
)
for uid, zone in zone_coordinator.data.items():
sensors.append(
ZoneTimeRemainingSensor(
entry,
data,
RainMachineSensorCompletionTimerDescription(
key=f"{TYPE_ZONE_RUN_COMPLETION_TIME}_{uid}",
name=f"{zone['name']} Run Completion Time",
device_class=SensorDeviceClass.TIMESTAMP,
entity_category=EntityCategory.DIAGNOSTIC,
api_category=DATA_ZONES,
uid=uid,
),
)
)
async_add_entities(sensors)
class TimeRemainingSensor(RainMachineEntity, RestoreSensor):
"""Define a sensor that shows the amount of time remaining for an activity."""
entity_description: RainMachineSensorCompletionTimerDescription
def __init__(
self,
entry: ConfigEntry,
data: RainMachineData,
description: RainMachineSensorCompletionTimerDescription,
) -> None:
"""Initialize."""
super().__init__(entry, data, description)
self._current_run_state: RunStates | None = None
self._previous_run_state: RunStates | None = None
@property
def activity_data(self) -> dict[str, Any]:
"""Return the core data for this entity."""
return cast(dict[str, Any], self.coordinator.data[self.entity_description.uid])
@property
def status_key(self) -> str:
"""Return the data key that contains the activity status."""
return "state"
async def async_added_to_hass(self) -> None:
"""Handle entity which will be added."""
if restored_data := await self.async_get_last_sensor_data():
self._attr_native_value = restored_data.native_value
await super().async_added_to_hass()
def calculate_seconds_remaining(self) -> int:
"""Calculate the number of seconds remaining."""
raise NotImplementedError
@callback
def update_from_latest_data(self) -> None:
"""Update the state."""
self._previous_run_state = self._current_run_state
self._current_run_state = RUN_STATE_MAP.get(self.activity_data[self.status_key])
now = utcnow()
if (
self._current_run_state == RunStates.NOT_RUNNING
and self._previous_run_state in (RunStates.QUEUED, RunStates.RUNNING)
):
# If the activity goes from queued/running to not running, update the
# state to be right now (i.e., the time the zone stopped running):
self._attr_native_value = now
elif self._current_run_state == RunStates.RUNNING:
seconds_remaining = self.calculate_seconds_remaining()
new_timestamp = now + timedelta(seconds=seconds_remaining)
if (
isinstance(self._attr_native_value, datetime)
and new_timestamp - self._attr_native_value
< DEFAULT_ZONE_COMPLETION_TIME_WOBBLE_TOLERANCE
):
# If the deviation between the previous and new timestamps is less
# than a "wobble tolerance," don't spam the state machine:
return
self._attr_native_value = new_timestamp
class ProgramTimeRemainingSensor(TimeRemainingSensor):
"""Define a sensor that shows the amount of time remaining for a program."""
@property
def status_key(self) -> str:
"""Return the data key that contains the activity status."""
return "status"
def calculate_seconds_remaining(self) -> int:
"""Calculate the number of seconds remaining."""
return sum(
self._data.coordinators[DATA_ZONES].data[zone["id"]]["remaining"]
for zone in [z for z in self.activity_data["wateringTimes"] if z["active"]]
)
class ProvisionSettingsSensor(RainMachineEntity, SensorEntity):
"""Define a sensor that handles provisioning data."""
entity_description: RainMachineSensorDataDescription
@callback
def update_from_latest_data(self) -> None:
"""Update the state."""
system = self.coordinator.data.get("system", {})
new_value = system.get(self.entity_description.data_key)
# Calculate volumetric sensors
if (
self.entity_description.key
in {
TYPE_FLOW_SENSOR_CONSUMED_LITERS,
TYPE_FLOW_SENSOR_LEAK_VOLUME,
}
and new_value
):
if clicks_per_m3 := system.get("flowSensorClicksPerCubicMeter"):
self._attr_native_value = round((new_value * 1000) / clicks_per_m3, 1)
return
# Convert timestamp sensors to datetime
if self.entity_description.key in {
TYPE_LAST_LEAK_DETECTED,
TYPE_RAIN_SENSOR_RAIN_START,
}:
# Timestamp may return 0 instead of null, explicitly set to None
if new_value:
self._attr_native_value = utc_from_timestamp(new_value)
else:
self._attr_native_value = None
return
# Return all other sensor values or None
self._attr_native_value = new_value
class ZoneTimeRemainingSensor(TimeRemainingSensor):
"""Define a sensor that shows the amount of time remaining for a zone."""
def calculate_seconds_remaining(self) -> int:
"""Calculate the number of seconds remaining."""
return cast(
int, self.coordinator.data[self.entity_description.uid]["remaining"]
)