""" Support for MQTT fans. For more details about this platform, please refer to the documentation https://home-assistant.io/components/fan.mqtt/ """ import logging import voluptuous as vol import homeassistant.components.mqtt as mqtt from homeassistant.const import ( CONF_NAME, CONF_OPTIMISTIC, CONF_STATE, STATE_ON, STATE_OFF, CONF_PAYLOAD_OFF, CONF_PAYLOAD_ON) from homeassistant.components.mqtt import ( CONF_STATE_TOPIC, CONF_COMMAND_TOPIC, CONF_QOS, CONF_RETAIN) import homeassistant.helpers.config_validation as cv from homeassistant.components.fan import (SPEED_LOW, SPEED_MED, SPEED_MEDIUM, SPEED_HIGH, FanEntity, SUPPORT_SET_SPEED, SUPPORT_OSCILLATE, SPEED_OFF, ATTR_SPEED) _LOGGER = logging.getLogger(__name__) DEPENDENCIES = ['mqtt'] CONF_STATE_VALUE_TEMPLATE = 'state_value_template' CONF_SPEED_STATE_TOPIC = 'speed_state_topic' CONF_SPEED_COMMAND_TOPIC = 'speed_command_topic' CONF_SPEED_VALUE_TEMPLATE = 'speed_value_template' CONF_OSCILLATION_STATE_TOPIC = 'oscillation_state_topic' CONF_OSCILLATION_COMMAND_TOPIC = 'oscillation_command_topic' CONF_OSCILLATION_VALUE_TEMPLATE = 'oscillation_value_template' CONF_PAYLOAD_OSCILLATION_ON = 'payload_oscillation_on' CONF_PAYLOAD_OSCILLATION_OFF = 'payload_oscillation_off' CONF_PAYLOAD_LOW_SPEED = 'payload_low_speed' CONF_PAYLOAD_MEDIUM_SPEED = 'payload_medium_speed' CONF_PAYLOAD_HIGH_SPEED = 'payload_high_speed' CONF_SPEED_LIST = 'speeds' DEFAULT_NAME = 'MQTT Fan' DEFAULT_PAYLOAD_ON = 'ON' DEFAULT_PAYLOAD_OFF = 'OFF' DEFAULT_OPTIMISTIC = False OSCILLATE_ON_PAYLOAD = 'oscillate_on' OSCILLATE_OFF_PAYLOAD = 'oscillate_off' OSCILLATION = 'oscillation' PLATFORM_SCHEMA = mqtt.MQTT_RW_PLATFORM_SCHEMA.extend({ vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string, vol.Optional(CONF_STATE_VALUE_TEMPLATE): cv.template, vol.Optional(CONF_SPEED_STATE_TOPIC): mqtt.valid_subscribe_topic, vol.Optional(CONF_SPEED_COMMAND_TOPIC): mqtt.valid_publish_topic, vol.Optional(CONF_SPEED_VALUE_TEMPLATE): cv.template, vol.Optional(CONF_OSCILLATION_STATE_TOPIC): mqtt.valid_subscribe_topic, vol.Optional(CONF_OSCILLATION_COMMAND_TOPIC): mqtt.valid_publish_topic, vol.Optional(CONF_OSCILLATION_VALUE_TEMPLATE): cv.template, vol.Optional(CONF_PAYLOAD_ON, default=DEFAULT_PAYLOAD_ON): cv.string, vol.Optional(CONF_PAYLOAD_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string, vol.Optional(CONF_PAYLOAD_OSCILLATION_ON, default=DEFAULT_PAYLOAD_ON): cv.string, vol.Optional(CONF_PAYLOAD_OSCILLATION_OFF, default=DEFAULT_PAYLOAD_OFF): cv.string, vol.Optional(CONF_PAYLOAD_LOW_SPEED, default=SPEED_LOW): cv.string, vol.Optional(CONF_PAYLOAD_MEDIUM_SPEED, default=SPEED_MED): cv.string, vol.Optional(CONF_PAYLOAD_HIGH_SPEED, default=SPEED_HIGH): cv.string, vol.Optional(CONF_SPEED_LIST, default=[SPEED_OFF, SPEED_LOW, SPEED_MED, SPEED_HIGH]): cv.ensure_list, vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean, }) # pylint: disable=unused-argument def setup_platform(hass, config, add_devices, discovery_info=None): """Setup MQTT fan platform.""" add_devices([MqttFan( hass, config.get(CONF_NAME), { key: config.get(key) for key in ( CONF_STATE_TOPIC, CONF_COMMAND_TOPIC, CONF_SPEED_STATE_TOPIC, CONF_SPEED_COMMAND_TOPIC, CONF_OSCILLATION_STATE_TOPIC, CONF_OSCILLATION_COMMAND_TOPIC, ) }, { CONF_STATE: config.get(CONF_STATE_VALUE_TEMPLATE), ATTR_SPEED: config.get(CONF_SPEED_VALUE_TEMPLATE), OSCILLATION: config.get(CONF_OSCILLATION_VALUE_TEMPLATE) }, config.get(CONF_QOS), config.get(CONF_RETAIN), { STATE_ON: config.get(CONF_PAYLOAD_ON), STATE_OFF: config.get(CONF_PAYLOAD_OFF), OSCILLATE_ON_PAYLOAD: config.get(CONF_PAYLOAD_OSCILLATION_ON), OSCILLATE_OFF_PAYLOAD: config.get(CONF_PAYLOAD_OSCILLATION_OFF), SPEED_LOW: config.get(CONF_PAYLOAD_LOW_SPEED), SPEED_MEDIUM: config.get(CONF_PAYLOAD_MEDIUM_SPEED), SPEED_HIGH: config.get(CONF_PAYLOAD_HIGH_SPEED), }, config.get(CONF_SPEED_LIST), config.get(CONF_OPTIMISTIC), )]) class MqttFan(FanEntity): """A MQTT fan component.""" def __init__(self, hass, name, topic, templates, qos, retain, payload, speed_list, optimistic): """Initialize the MQTT fan.""" self._hass = hass self._name = name self._topic = topic self._qos = qos self._retain = retain self._payload = payload self._speed_list = speed_list self._optimistic = optimistic or topic[CONF_STATE_TOPIC] is None self._optimistic_oscillation = ( optimistic or topic[CONF_OSCILLATION_STATE_TOPIC] is None) self._optimistic_speed = ( optimistic or topic[CONF_SPEED_STATE_TOPIC] is None) self._state = False self._supported_features = 0 self._supported_features |= (topic[CONF_OSCILLATION_STATE_TOPIC] is not None and SUPPORT_OSCILLATE) self._supported_features |= (topic[CONF_SPEED_STATE_TOPIC] is not None and SUPPORT_SET_SPEED) for key, tpl in list(templates.items()): if tpl is None: templates[key] = lambda value: value else: tpl.hass = hass templates[key] = tpl.render_with_possible_json_value def state_received(topic, payload, qos): """A new MQTT message has been received.""" payload = templates[CONF_STATE](payload) if payload == self._payload[STATE_ON]: self._state = True elif payload == self._payload[STATE_OFF]: self._state = False self.update_ha_state() if self._topic[CONF_STATE_TOPIC] is not None: mqtt.subscribe(self._hass, self._topic[CONF_STATE_TOPIC], state_received, self._qos) def speed_received(topic, payload, qos): """A new MQTT message for the speed has been received.""" payload = templates[ATTR_SPEED](payload) if payload == self._payload[SPEED_LOW]: self._speed = SPEED_LOW elif payload == self._payload[SPEED_MEDIUM]: self._speed = SPEED_MED elif payload == self._payload[SPEED_HIGH]: self._speed = SPEED_HIGH self.update_ha_state() if self._topic[CONF_SPEED_STATE_TOPIC] is not None: mqtt.subscribe(self._hass, self._topic[CONF_SPEED_STATE_TOPIC], speed_received, self._qos) self._speed = SPEED_OFF elif self._topic[CONF_SPEED_COMMAND_TOPIC] is not None: self._speed = SPEED_OFF else: self._speed = SPEED_OFF def oscillation_received(topic, payload, qos): """A new MQTT message has been received.""" payload = templates[OSCILLATION](payload) if payload == self._payload[OSCILLATE_ON_PAYLOAD]: self._oscillation = True elif payload == self._payload[OSCILLATE_OFF_PAYLOAD]: self._oscillation = False self.update_ha_state() if self._topic[CONF_OSCILLATION_STATE_TOPIC] is not None: mqtt.subscribe(self._hass, self._topic[CONF_OSCILLATION_STATE_TOPIC], oscillation_received, self._qos) self._oscillation = False if self._topic[CONF_OSCILLATION_COMMAND_TOPIC] is not None: self._oscillation = False else: self._oscillation = False @property def should_poll(self): """No polling needed for a MQTT fan.""" return False @property def assumed_state(self): """Return true if we do optimistic updates.""" return self._optimistic @property def is_on(self): """Return true if device is on.""" return self._state @property def name(self) -> str: """Get entity name.""" return self._name @property def speed_list(self) -> list: """Get the list of available speeds.""" return self._speed_list @property def supported_features(self) -> int: """Flag supported features.""" return self._supported_features @property def speed(self): """Return the current speed.""" return self._speed @property def oscillating(self): """Return the oscillation state.""" return self._oscillation def turn_on(self, speed: str=SPEED_MED) -> None: """Turn on the entity.""" mqtt.publish(self._hass, self._topic[CONF_COMMAND_TOPIC], self._payload[STATE_ON], self._qos, self._retain) self.set_speed(speed) def turn_off(self) -> None: """Turn off the entity.""" mqtt.publish(self._hass, self._topic[CONF_COMMAND_TOPIC], self._payload[STATE_OFF], self._qos, self._retain) def set_speed(self, speed: str) -> None: """Set the speed of the fan.""" if self._topic[CONF_SPEED_COMMAND_TOPIC] is not None: mqtt_payload = SPEED_OFF if speed == SPEED_LOW: mqtt_payload = self._payload[SPEED_LOW] elif speed == SPEED_MED: mqtt_payload = self._payload[SPEED_MEDIUM] elif speed == SPEED_HIGH: mqtt_payload = self._payload[SPEED_HIGH] else: mqtt_payload = speed self._speed = speed mqtt.publish(self._hass, self._topic[CONF_SPEED_COMMAND_TOPIC], mqtt_payload, self._qos, self._retain) self.update_ha_state() def oscillate(self, oscillating: bool) -> None: """Set oscillation.""" if self._topic[CONF_SPEED_COMMAND_TOPIC] is not None: self._oscillation = oscillating mqtt.publish(self._hass, self._topic[CONF_OSCILLATION_COMMAND_TOPIC], self._oscillation, self._qos, self._retain) self.update_ha_state()