core/homeassistant/components/openuv/binary_sensor.py

111 lines
3.6 KiB
Python

"""Support for OpenUV binary sensors."""
import logging
from homeassistant.components.binary_sensor import BinarySensorDevice
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.util.dt import as_local, parse_datetime, utcnow
from . import (
BINARY_SENSORS, DATA_OPENUV_CLIENT, DATA_PROTECTION_WINDOW, DOMAIN,
TOPIC_UPDATE, TYPE_PROTECTION_WINDOW, OpenUvEntity)
_LOGGER = logging.getLogger(__name__)
ATTR_PROTECTION_WINDOW_ENDING_TIME = 'end_time'
ATTR_PROTECTION_WINDOW_ENDING_UV = 'end_uv'
ATTR_PROTECTION_WINDOW_STARTING_TIME = 'start_time'
ATTR_PROTECTION_WINDOW_STARTING_UV = 'start_uv'
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Set up an OpenUV sensor based on existing config."""
pass
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up an OpenUV sensor based on a config entry."""
openuv = hass.data[DOMAIN][DATA_OPENUV_CLIENT][entry.entry_id]
binary_sensors = []
for sensor_type in openuv.binary_sensor_conditions:
name, icon = BINARY_SENSORS[sensor_type]
binary_sensors.append(
OpenUvBinarySensor(
openuv, sensor_type, name, icon, entry.entry_id))
async_add_entities(binary_sensors, True)
class OpenUvBinarySensor(OpenUvEntity, BinarySensorDevice):
"""Define a binary sensor for OpenUV."""
def __init__(self, openuv, sensor_type, name, icon, entry_id):
"""Initialize the sensor."""
super().__init__(openuv)
self._async_unsub_dispatcher_connect = None
self._entry_id = entry_id
self._icon = icon
self._latitude = openuv.client.latitude
self._longitude = openuv.client.longitude
self._name = name
self._sensor_type = sensor_type
self._state = None
@property
def icon(self):
"""Return the icon."""
return self._icon
@property
def is_on(self):
"""Return the status of the sensor."""
return self._state
@property
def should_poll(self):
"""Disable polling."""
return False
@property
def unique_id(self) -> str:
"""Return a unique, HASS-friendly identifier for this entity."""
return '{0}_{1}_{2}'.format(
self._latitude, self._longitude, self._sensor_type)
async def async_added_to_hass(self):
"""Register callbacks."""
@callback
def update():
"""Update the state."""
self.async_schedule_update_ha_state(True)
self._async_unsub_dispatcher_connect = async_dispatcher_connect(
self.hass, TOPIC_UPDATE, update)
async def async_will_remove_from_hass(self):
"""Disconnect dispatcher listener when removed."""
if self._async_unsub_dispatcher_connect:
self._async_unsub_dispatcher_connect()
async def async_update(self):
"""Update the state."""
data = self.openuv.data[DATA_PROTECTION_WINDOW]
if not data:
return
if self._sensor_type == TYPE_PROTECTION_WINDOW:
self._state = parse_datetime(
data['from_time']) <= utcnow() <= parse_datetime(
data['to_time'])
self._attrs.update({
ATTR_PROTECTION_WINDOW_ENDING_TIME:
as_local(parse_datetime(data['to_time'])),
ATTR_PROTECTION_WINDOW_ENDING_UV: data['to_uv'],
ATTR_PROTECTION_WINDOW_STARTING_UV: data['from_uv'],
ATTR_PROTECTION_WINDOW_STARTING_TIME:
as_local(parse_datetime(data['from_time'])),
})