135 lines
4.4 KiB
Python
135 lines
4.4 KiB
Python
"""Integration with the Rachio Iro sprinkler system controller."""
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from abc import abstractmethod
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import logging
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from homeassistant.components.binary_sensor import (
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DEVICE_CLASS_CONNECTIVITY,
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BinarySensorDevice,
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)
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from .const import (
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DOMAIN as DOMAIN_RACHIO,
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KEY_DEVICE_ID,
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KEY_STATUS,
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KEY_SUBTYPE,
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SIGNAL_RACHIO_CONTROLLER_UPDATE,
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STATUS_OFFLINE,
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STATUS_ONLINE,
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)
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from .entity import RachioDevice
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from .webhooks import SUBTYPE_OFFLINE, SUBTYPE_ONLINE
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up the Rachio binary sensors."""
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entities = await hass.async_add_executor_job(_create_entities, hass, config_entry)
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async_add_entities(entities)
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_LOGGER.info("%d Rachio binary sensor(s) added", len(entities))
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def _create_entities(hass, config_entry):
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entities = []
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for controller in hass.data[DOMAIN_RACHIO][config_entry.entry_id].controllers:
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entities.append(RachioControllerOnlineBinarySensor(controller))
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return entities
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class RachioControllerBinarySensor(RachioDevice, BinarySensorDevice):
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"""Represent a binary sensor that reflects a Rachio state."""
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def __init__(self, controller, poll=True):
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"""Set up a new Rachio controller binary sensor."""
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super().__init__(controller)
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self._undo_dispatcher = None
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if poll:
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self._state = self._poll_update()
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else:
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self._state = None
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@property
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def is_on(self) -> bool:
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"""Return whether the sensor has a 'true' value."""
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return self._state
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def _handle_any_update(self, *args, **kwargs) -> None:
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"""Determine whether an update event applies to this device."""
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if args[0][KEY_DEVICE_ID] != self._controller.controller_id:
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# For another device
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return
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# For this device
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self._handle_update(args, kwargs)
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@abstractmethod
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def _poll_update(self, data=None) -> bool:
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"""Request the state from the API."""
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@abstractmethod
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def _handle_update(self, *args, **kwargs) -> None:
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"""Handle an update to the state of this sensor."""
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async def async_added_to_hass(self):
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"""Subscribe to updates."""
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self._undo_dispatcher = async_dispatcher_connect(
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self.hass, SIGNAL_RACHIO_CONTROLLER_UPDATE, self._handle_any_update
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)
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async def async_will_remove_from_hass(self):
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"""Unsubscribe from updates."""
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if self._undo_dispatcher:
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self._undo_dispatcher()
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class RachioControllerOnlineBinarySensor(RachioControllerBinarySensor):
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"""Represent a binary sensor that reflects if the controller is online."""
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def __init__(self, controller):
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"""Set up a new Rachio controller online binary sensor."""
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super().__init__(controller, poll=False)
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self._state = self._poll_update(controller.init_data)
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@property
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def name(self) -> str:
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"""Return the name of this sensor including the controller name."""
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return f"{self._controller.name} online"
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@property
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def unique_id(self) -> str:
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"""Return a unique id for this entity."""
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return f"{self._controller.controller_id}-online"
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@property
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def device_class(self) -> str:
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"""Return the class of this device, from component DEVICE_CLASSES."""
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return DEVICE_CLASS_CONNECTIVITY
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@property
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def icon(self) -> str:
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"""Return the name of an icon for this sensor."""
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return "mdi:wifi-strength-4" if self.is_on else "mdi:wifi-strength-off-outline"
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def _poll_update(self, data=None) -> bool:
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"""Request the state from the API."""
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if data is None:
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data = self._controller.rachio.device.get(self._controller.controller_id)[1]
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if data[KEY_STATUS] == STATUS_ONLINE:
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return True
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if data[KEY_STATUS] == STATUS_OFFLINE:
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return False
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_LOGGER.warning(
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'"%s" reported in unknown state "%s"', self.name, data[KEY_STATUS]
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)
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def _handle_update(self, *args, **kwargs) -> None:
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"""Handle an update to the state of this sensor."""
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if args[0][0][KEY_SUBTYPE] == SUBTYPE_ONLINE:
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self._state = True
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elif args[0][0][KEY_SUBTYPE] == SUBTYPE_OFFLINE:
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self._state = False
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self.schedule_update_ha_state()
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