irm-kmi-ha/custom_components/irm_kmi/binary_sensor.py

65 lines
2.5 KiB
Python

"""Sensor to signal weather warning from the IRM KMI"""
import logging
from homeassistant.components import binary_sensor
from homeassistant.components.binary_sensor import (BinarySensorDeviceClass,
BinarySensorEntity)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.update_coordinator import CoordinatorEntity
from homeassistant.util import dt
from . import DOMAIN, IrmKmiCoordinator
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback):
"""Set up the binary platform"""
coordinator = hass.data[DOMAIN][entry.entry_id]
async_add_entities([IrmKmiWarning(coordinator, entry)])
class IrmKmiWarning(CoordinatorEntity, BinarySensorEntity):
"""Representation of a weather warning binary sensor"""
_attr_attribution = "Weather data from the Royal Meteorological Institute of Belgium meteo.be"
def __init__(self,
coordinator: IrmKmiCoordinator,
entry: ConfigEntry
) -> None:
super().__init__(coordinator)
BinarySensorEntity.__init__(self)
self._attr_device_class = BinarySensorDeviceClass.SAFETY
self._attr_unique_id = entry.entry_id
self.entity_id = binary_sensor.ENTITY_ID_FORMAT.format(f"weather_warning_{str(entry.title).lower()}")
self._attr_name = f"Warning {entry.title}"
self._attr_device_info = coordinator.shared_device_info
@property
def is_on(self) -> bool | None:
if self.coordinator.data.get('warnings') is None:
return False
now = dt.now()
for item in self.coordinator.data.get('warnings'):
if item.get('starts_at') < now < item.get('ends_at'):
return True
return False
@property
def extra_state_attributes(self) -> dict:
"""Return the warning sensor attributes."""
attrs = {"warnings": self.coordinator.data.get('warnings', [])}
now = dt.now()
for warning in attrs['warnings']:
warning['is_active'] = warning.get('starts_at') < now < warning.get('ends_at')
attrs["active_warnings_friendly_names"] = ", ".join([warning['friendly_name'] for warning in attrs['warnings']
if warning['is_active'] and warning['friendly_name'] != ''])
return attrs