core/homeassistant/components/amberelectric/sensor.py

252 lines
8.9 KiB
Python

"""Amber Electric Sensor definitions."""
# There are three types of sensor: Current, Forecast and Grid
# Current and forecast will create general, controlled load and feed in as required
# At the moment renewables in the only grid sensor.
from __future__ import annotations
from typing import Any
from amberelectric.models.channel import ChannelType
from amberelectric.models.current_interval import CurrentInterval
from amberelectric.models.forecast_interval import ForecastInterval
from homeassistant.components.sensor import (
SensorEntity,
SensorEntityDescription,
SensorStateClass,
)
from homeassistant.const import CURRENCY_DOLLAR, PERCENTAGE, UnitOfEnergy
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from . import AmberConfigEntry
from .const import ATTRIBUTION
from .coordinator import AmberUpdateCoordinator, normalize_descriptor
UNIT = f"{CURRENCY_DOLLAR}/{UnitOfEnergy.KILO_WATT_HOUR}"
def format_cents_to_dollars(cents: float) -> float:
"""Return a formatted conversion from cents to dollars."""
return round(cents / 100, 2)
def friendly_channel_type(channel_type: str) -> str:
"""Return a human readable version of the channel type."""
if channel_type == "controlled_load":
return "Controlled Load"
if channel_type == "feed_in":
return "Feed In"
return "General"
class AmberSensor(CoordinatorEntity[AmberUpdateCoordinator], SensorEntity):
"""Amber Base Sensor."""
_attr_attribution = ATTRIBUTION
def __init__(
self,
coordinator: AmberUpdateCoordinator,
description: SensorEntityDescription,
channel_type: str,
) -> None:
"""Initialize the Sensor."""
super().__init__(coordinator)
self.site_id = coordinator.site_id
self.entity_description = description
self.channel_type = channel_type
self._attr_unique_id = (
f"{self.site_id}-{self.entity_description.key}-{self.channel_type}"
)
class AmberPriceSensor(AmberSensor):
"""Amber Price Sensor."""
@property
def native_value(self) -> float | None:
"""Return the current price in $/kWh."""
interval = self.coordinator.data[self.entity_description.key][self.channel_type]
if interval.channel_type == ChannelType.FEEDIN:
return format_cents_to_dollars(interval.per_kwh) * -1
return format_cents_to_dollars(interval.per_kwh)
@property
def extra_state_attributes(self) -> dict[str, Any] | None:
"""Return additional pieces of information about the price."""
interval = self.coordinator.data[self.entity_description.key][self.channel_type]
data: dict[str, Any] = {}
if interval is None:
return data
data["duration"] = interval.duration
data["date"] = interval.var_date.isoformat()
data["per_kwh"] = format_cents_to_dollars(interval.per_kwh)
if interval.channel_type == ChannelType.FEEDIN:
data["per_kwh"] = data["per_kwh"] * -1
data["nem_date"] = interval.nem_time.isoformat()
data["spot_per_kwh"] = format_cents_to_dollars(interval.spot_per_kwh)
data["start_time"] = interval.start_time.isoformat()
data["end_time"] = interval.end_time.isoformat()
data["renewables"] = round(interval.renewables)
data["estimate"] = interval.estimate
data["spike_status"] = interval.spike_status.value
data["channel_type"] = interval.channel_type.value
if interval.range is not None:
data["range_min"] = format_cents_to_dollars(interval.range.min)
data["range_max"] = format_cents_to_dollars(interval.range.max)
return data
class AmberForecastSensor(AmberSensor):
"""Amber Forecast Sensor."""
@property
def native_value(self) -> float | None:
"""Return the first forecast price in $/kWh."""
intervals = self.coordinator.data[self.entity_description.key].get(
self.channel_type
)
if not intervals:
return None
interval = intervals[0]
if interval.channel_type == ChannelType.FEEDIN:
return format_cents_to_dollars(interval.per_kwh) * -1
return format_cents_to_dollars(interval.per_kwh)
@property
def extra_state_attributes(self) -> dict[str, Any] | None:
"""Return additional pieces of information about the price."""
intervals = self.coordinator.data[self.entity_description.key].get(
self.channel_type
)
if not intervals:
return None
data = {
"forecasts": [],
"channel_type": intervals[0].channel_type.value,
}
for interval in intervals:
datum = {}
datum["duration"] = interval.duration
datum["date"] = interval.var_date.isoformat()
datum["nem_date"] = interval.nem_time.isoformat()
datum["per_kwh"] = format_cents_to_dollars(interval.per_kwh)
if interval.channel_type == ChannelType.FEEDIN:
datum["per_kwh"] = datum["per_kwh"] * -1
datum["spot_per_kwh"] = format_cents_to_dollars(interval.spot_per_kwh)
datum["start_time"] = interval.start_time.isoformat()
datum["end_time"] = interval.end_time.isoformat()
datum["renewables"] = round(interval.renewables)
datum["spike_status"] = interval.spike_status.value
datum["descriptor"] = normalize_descriptor(interval.descriptor)
if interval.range is not None:
datum["range_min"] = format_cents_to_dollars(interval.range.min)
datum["range_max"] = format_cents_to_dollars(interval.range.max)
data["forecasts"].append(datum)
return data
class AmberPriceDescriptorSensor(AmberSensor):
"""Amber Price Descriptor Sensor."""
@property
def native_value(self) -> str | None:
"""Return the current price descriptor."""
return self.coordinator.data[self.entity_description.key][self.channel_type] # type: ignore[no-any-return]
class AmberGridSensor(CoordinatorEntity[AmberUpdateCoordinator], SensorEntity):
"""Sensor to show single grid specific values."""
_attr_attribution = ATTRIBUTION
def __init__(
self,
coordinator: AmberUpdateCoordinator,
description: SensorEntityDescription,
) -> None:
"""Initialize the Sensor."""
super().__init__(coordinator)
self.site_id = coordinator.site_id
self.entity_description = description
self._attr_unique_id = f"{coordinator.site_id}-{description.key}"
@property
def native_value(self) -> str | None:
"""Return the value of the sensor."""
return self.coordinator.data["grid"][self.entity_description.key] # type: ignore[no-any-return]
async def async_setup_entry(
hass: HomeAssistant,
entry: AmberConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up a config entry."""
coordinator = entry.runtime_data
current: dict[str, CurrentInterval] = coordinator.data["current"]
forecasts: dict[str, list[ForecastInterval]] = coordinator.data["forecasts"]
entities: list[SensorEntity] = []
for channel_type in current:
description = SensorEntityDescription(
key="current",
name=f"{entry.title} - {friendly_channel_type(channel_type)} Price",
native_unit_of_measurement=UNIT,
state_class=SensorStateClass.MEASUREMENT,
translation_key=channel_type,
)
entities.append(AmberPriceSensor(coordinator, description, channel_type))
for channel_type in current:
description = SensorEntityDescription(
key="descriptors",
name=(
f"{entry.title} - {friendly_channel_type(channel_type)} Price"
" Descriptor"
),
translation_key=channel_type,
)
entities.append(
AmberPriceDescriptorSensor(coordinator, description, channel_type)
)
for channel_type in forecasts:
description = SensorEntityDescription(
key="forecasts",
name=f"{entry.title} - {friendly_channel_type(channel_type)} Forecast",
native_unit_of_measurement=UNIT,
state_class=SensorStateClass.MEASUREMENT,
translation_key=channel_type,
)
entities.append(AmberForecastSensor(coordinator, description, channel_type))
renewables_description = SensorEntityDescription(
key="renewables",
name=f"{entry.title} - Renewables",
native_unit_of_measurement=PERCENTAGE,
state_class=SensorStateClass.MEASUREMENT,
translation_key="renewables",
)
entities.append(AmberGridSensor(coordinator, renewables_description))
async_add_entities(entities)