Files

97 lines
3.1 KiB
Python

"""Support for Victron GX time entities."""
from datetime import time
import logging
from typing import TYPE_CHECKING, Any, override
from victron_mqtt import (
Device as VictronVenusDevice,
Metric as VictronVenusMetric,
MetricKind,
WritableMetric as VictronVenusWritableMetric,
)
from homeassistant.components.time import TimeEntity
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
from .entity import VictronBaseEntity
from .hub import VictronGxConfigEntry
_LOGGER = logging.getLogger(__name__)
PARALLEL_UPDATES = 0 # There is no I/O in the entity itself.
async def async_setup_entry(
hass: HomeAssistant,
config_entry: VictronGxConfigEntry,
async_add_entities: AddConfigEntryEntitiesCallback,
) -> None:
"""Set up Victron GX time entities from a config entry."""
hub = config_entry.runtime_data
def on_new_metric(
device: VictronVenusDevice,
metric: VictronVenusMetric,
device_info: DeviceInfo,
installation_id: str,
) -> None:
"""Handle new time metric discovery."""
if TYPE_CHECKING:
assert isinstance(metric, VictronVenusWritableMetric)
async_add_entities([VictronTime(device, metric, device_info, installation_id)])
hub.register_new_metric_callback(MetricKind.TIME, on_new_metric)
class VictronTime(VictronBaseEntity, TimeEntity):
"""Implementation of a Victron GX time entity."""
def __init__(
self,
device: VictronVenusDevice,
metric: VictronVenusWritableMetric,
device_info: DeviceInfo,
installation_id: str,
) -> None:
"""Initialize the time entity."""
super().__init__(device, metric, device_info, installation_id)
self._attr_native_value = VictronTime.victron_time_to_time(metric.value)
@callback
@override
def _on_update_cb(self, value: Any) -> None:
self._attr_native_value = VictronTime.victron_time_to_time(value)
self.async_write_ha_state()
@override
async def async_set_value(self, value: time) -> None:
"""Set a new time value."""
if TYPE_CHECKING:
assert isinstance(self._metric, VictronVenusWritableMetric)
total_minutes = VictronTime.time_to_victron_time(value)
_LOGGER.debug(
"Setting time %s (%d minutes) on entity: %s",
value,
total_minutes,
self._attr_unique_id,
)
self._metric.set(total_minutes)
@staticmethod
def victron_time_to_time(value: int | None) -> time | None:
"""Convert minutes since midnight to time object."""
if value is None:
return None
total_minutes = int(value)
hours = total_minutes // 60
minutes = total_minutes % 60
return time(hour=hours, minute=minutes)
@staticmethod
def time_to_victron_time(value: time) -> int:
"""Convert time object to minutes since midnight."""
return value.hour * 60 + value.minute