"""Support for MQTT cover devices."""
import logging
import voluptuous as vol
from homeassistant.components import cover, mqtt
from homeassistant.components.cover import (
ATTR_POSITION,
ATTR_TILT_POSITION,
DEVICE_CLASSES_SCHEMA,
SUPPORT_CLOSE,
SUPPORT_CLOSE_TILT,
SUPPORT_OPEN,
SUPPORT_OPEN_TILT,
SUPPORT_SET_POSITION,
SUPPORT_SET_TILT_POSITION,
SUPPORT_STOP,
SUPPORT_STOP_TILT,
CoverDevice,
)
from homeassistant.const import (
CONF_DEVICE,
CONF_DEVICE_CLASS,
CONF_NAME,
CONF_OPTIMISTIC,
CONF_VALUE_TEMPLATE,
STATE_CLOSED,
STATE_OPEN,
STATE_UNKNOWN,
)
from homeassistant.core import callback
from homeassistant.exceptions import TemplateError
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.typing import ConfigType, HomeAssistantType
from . import (
ATTR_DISCOVERY_HASH,
CONF_COMMAND_TOPIC,
CONF_QOS,
CONF_RETAIN,
CONF_STATE_TOPIC,
CONF_UNIQUE_ID,
MqttAttributes,
MqttAvailability,
MqttDiscoveryUpdate,
MqttEntityDeviceInfo,
subscription,
)
from .discovery import MQTT_DISCOVERY_NEW, clear_discovery_hash
_LOGGER = logging.getLogger(__name__)
CONF_GET_POSITION_TOPIC = "position_topic"
CONF_SET_POSITION_TEMPLATE = "set_position_template"
CONF_SET_POSITION_TOPIC = "set_position_topic"
CONF_TILT_COMMAND_TOPIC = "tilt_command_topic"
CONF_TILT_STATUS_TOPIC = "tilt_status_topic"
CONF_TILT_STATUS_TEMPLATE = "tilt_status_template"
CONF_PAYLOAD_CLOSE = "payload_close"
CONF_PAYLOAD_OPEN = "payload_open"
CONF_PAYLOAD_STOP = "payload_stop"
CONF_POSITION_CLOSED = "position_closed"
CONF_POSITION_OPEN = "position_open"
CONF_STATE_CLOSED = "state_closed"
CONF_STATE_OPEN = "state_open"
CONF_TILT_CLOSED_POSITION = "tilt_closed_value"
CONF_TILT_INVERT_STATE = "tilt_invert_state"
CONF_TILT_MAX = "tilt_max"
CONF_TILT_MIN = "tilt_min"
CONF_TILT_OPEN_POSITION = "tilt_opened_value"
CONF_TILT_STATE_OPTIMISTIC = "tilt_optimistic"
TILT_PAYLOAD = "tilt"
COVER_PAYLOAD = "cover"
DEFAULT_NAME = "MQTT Cover"
DEFAULT_OPTIMISTIC = False
DEFAULT_PAYLOAD_CLOSE = "CLOSE"
DEFAULT_PAYLOAD_OPEN = "OPEN"
DEFAULT_PAYLOAD_STOP = "STOP"
DEFAULT_POSITION_CLOSED = 0
DEFAULT_POSITION_OPEN = 100
DEFAULT_RETAIN = False
DEFAULT_TILT_CLOSED_POSITION = 0
DEFAULT_TILT_INVERT_STATE = False
DEFAULT_TILT_MAX = 100
DEFAULT_TILT_MIN = 0
DEFAULT_TILT_OPEN_POSITION = 100
DEFAULT_TILT_OPTIMISTIC = False
OPEN_CLOSE_FEATURES = SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_STOP
TILT_FEATURES = (
SUPPORT_OPEN_TILT
| SUPPORT_CLOSE_TILT
| SUPPORT_STOP_TILT
| SUPPORT_SET_TILT_POSITION
)
def validate_options(value):
"""Validate options.
If set position topic is set then get position topic is set as well.
"""
if CONF_SET_POSITION_TOPIC in value and CONF_GET_POSITION_TOPIC not in value:
raise vol.Invalid(
"set_position_topic must be set together with position_topic."
)
return value
PLATFORM_SCHEMA = vol.All(
mqtt.MQTT_BASE_PLATFORM_SCHEMA.extend(
{
vol.Optional(CONF_COMMAND_TOPIC): mqtt.valid_publish_topic,
vol.Optional(CONF_DEVICE): mqtt.MQTT_ENTITY_DEVICE_INFO_SCHEMA,
vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
vol.Optional(CONF_GET_POSITION_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_OPTIMISTIC, default=DEFAULT_OPTIMISTIC): cv.boolean,
vol.Optional(CONF_PAYLOAD_CLOSE, default=DEFAULT_PAYLOAD_CLOSE): cv.string,
vol.Optional(CONF_PAYLOAD_OPEN, default=DEFAULT_PAYLOAD_OPEN): cv.string,
vol.Optional(CONF_PAYLOAD_STOP, default=DEFAULT_PAYLOAD_STOP): cv.string,
vol.Optional(CONF_POSITION_CLOSED, default=DEFAULT_POSITION_CLOSED): int,
vol.Optional(CONF_POSITION_OPEN, default=DEFAULT_POSITION_OPEN): int,
vol.Optional(CONF_RETAIN, default=DEFAULT_RETAIN): cv.boolean,
vol.Optional(CONF_SET_POSITION_TEMPLATE): cv.template,
vol.Optional(CONF_SET_POSITION_TOPIC): mqtt.valid_publish_topic,
vol.Optional(CONF_STATE_CLOSED, default=STATE_CLOSED): cv.string,
vol.Optional(CONF_STATE_OPEN, default=STATE_OPEN): cv.string,
vol.Optional(CONF_STATE_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(
CONF_TILT_CLOSED_POSITION, default=DEFAULT_TILT_CLOSED_POSITION
): int,
vol.Optional(CONF_TILT_COMMAND_TOPIC): mqtt.valid_publish_topic,
vol.Optional(
CONF_TILT_INVERT_STATE, default=DEFAULT_TILT_INVERT_STATE
): cv.boolean,
vol.Optional(CONF_TILT_MAX, default=DEFAULT_TILT_MAX): int,
vol.Optional(CONF_TILT_MIN, default=DEFAULT_TILT_MIN): int,
vol.Optional(
CONF_TILT_OPEN_POSITION, default=DEFAULT_TILT_OPEN_POSITION
): int,
vol.Optional(
CONF_TILT_STATE_OPTIMISTIC, default=DEFAULT_TILT_OPTIMISTIC
): cv.boolean,
vol.Optional(CONF_TILT_STATUS_TOPIC): mqtt.valid_subscribe_topic,
vol.Optional(CONF_TILT_STATUS_TEMPLATE): cv.template,
vol.Optional(CONF_UNIQUE_ID): cv.string,
vol.Optional(CONF_VALUE_TEMPLATE): cv.template,
}
)
.extend(mqtt.MQTT_AVAILABILITY_SCHEMA.schema)
.extend(mqtt.MQTT_JSON_ATTRS_SCHEMA.schema),
validate_options,
)
async def async_setup_platform(
hass: HomeAssistantType, config: ConfigType, async_add_entities, discovery_info=None
):
"""Set up MQTT cover through configuration.yaml."""
await _async_setup_entity(config, async_add_entities)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up MQTT cover dynamically through MQTT discovery."""
async def async_discover(discovery_payload):
"""Discover and add an MQTT cover."""
try:
discovery_hash = discovery_payload.pop(ATTR_DISCOVERY_HASH)
config = PLATFORM_SCHEMA(discovery_payload)
await _async_setup_entity(
config, async_add_entities, config_entry, discovery_hash
)
except Exception:
if discovery_hash:
clear_discovery_hash(hass, discovery_hash)
raise
async_dispatcher_connect(
hass, MQTT_DISCOVERY_NEW.format(cover.DOMAIN, "mqtt"), async_discover
)
async def _async_setup_entity(
config, async_add_entities, config_entry=None, discovery_hash=None
):
"""Set up the MQTT Cover."""
async_add_entities([MqttCover(config, config_entry, discovery_hash)])
class MqttCover(
MqttAttributes,
MqttAvailability,
MqttDiscoveryUpdate,
MqttEntityDeviceInfo,
CoverDevice,
):
"""Representation of a cover that can be controlled using MQTT."""
def __init__(self, config, config_entry, discovery_hash):
"""Initialize the cover."""
self._unique_id = config.get(CONF_UNIQUE_ID)
self._position = None
self._state = None
self._sub_state = None
self._optimistic = None
self._tilt_value = None
self._tilt_optimistic = None
# Load config
self._setup_from_config(config)
device_config = config.get(CONF_DEVICE)
MqttAttributes.__init__(self, config)
MqttAvailability.__init__(self, config)
MqttDiscoveryUpdate.__init__(self, discovery_hash, self.discovery_update)
MqttEntityDeviceInfo.__init__(self, device_config, config_entry)
async def async_added_to_hass(self):
"""Subscribe MQTT events."""
await super().async_added_to_hass()
await self._subscribe_topics()
async def discovery_update(self, discovery_payload):
"""Handle updated discovery message."""
config = PLATFORM_SCHEMA(discovery_payload)
self._setup_from_config(config)
await self.attributes_discovery_update(config)
await self.availability_discovery_update(config)
await self.device_info_discovery_update(config)
await self._subscribe_topics()
self.async_write_ha_state()
def _setup_from_config(self, config):
self._config = config
self._optimistic = config[CONF_OPTIMISTIC] or (
config.get(CONF_STATE_TOPIC) is None
and config.get(CONF_GET_POSITION_TOPIC) is None
)
self._tilt_optimistic = config[CONF_TILT_STATE_OPTIMISTIC]
async def _subscribe_topics(self):
"""(Re)Subscribe to topics."""
template = self._config.get(CONF_VALUE_TEMPLATE)
if template is not None:
template.hass = self.hass
set_position_template = self._config.get(CONF_SET_POSITION_TEMPLATE)
if set_position_template is not None:
set_position_template.hass = self.hass
tilt_status_template = self._config.get(CONF_TILT_STATUS_TEMPLATE)
if tilt_status_template is not None:
tilt_status_template.hass = self.hass
topics = {}
@callback
def tilt_updated(msg):
"""Handle tilt updates."""
payload = msg.payload
if tilt_status_template is not None:
payload = tilt_status_template.async_render_with_possible_json_value(
payload
)
if payload.isnumeric() and (
self._config[CONF_TILT_MIN]
<= int(payload)
<= self._config[CONF_TILT_MAX]
):
level = self.find_percentage_in_range(float(payload))
self._tilt_value = level
self.async_write_ha_state()
@callback
def state_message_received(msg):
"""Handle new MQTT state messages."""
payload = msg.payload
if template is not None:
payload = template.async_render_with_possible_json_value(payload)
if payload == self._config[CONF_STATE_OPEN]:
self._state = False
elif payload == self._config[CONF_STATE_CLOSED]:
self._state = True
else:
_LOGGER.warning("Payload is not True or False: %s", payload)
return
self.async_write_ha_state()
@callback
def position_message_received(msg):
"""Handle new MQTT state messages."""
payload = msg.payload
if template is not None:
payload = template.async_render_with_possible_json_value(payload)
if payload.isnumeric():
percentage_payload = self.find_percentage_in_range(
float(payload), COVER_PAYLOAD
)
self._position = percentage_payload
self._state = percentage_payload == DEFAULT_POSITION_CLOSED
else:
_LOGGER.warning("Payload is not integer within range: %s", payload)
return
self.async_write_ha_state()
if self._config.get(CONF_GET_POSITION_TOPIC):
topics["get_position_topic"] = {
"topic": self._config.get(CONF_GET_POSITION_TOPIC),
"msg_callback": position_message_received,
"qos": self._config[CONF_QOS],
}
elif self._config.get(CONF_STATE_TOPIC):
topics["state_topic"] = {
"topic": self._config.get(CONF_STATE_TOPIC),
"msg_callback": state_message_received,
"qos": self._config[CONF_QOS],
}
else:
# Force into optimistic mode.
self._optimistic = True
if self._config.get(CONF_TILT_STATUS_TOPIC) is None:
self._tilt_optimistic = True
else:
self._tilt_value = STATE_UNKNOWN
topics["tilt_status_topic"] = {
"topic": self._config.get(CONF_TILT_STATUS_TOPIC),
"msg_callback": tilt_updated,
"qos": self._config[CONF_QOS],
}
self._sub_state = await subscription.async_subscribe_topics(
self.hass, self._sub_state, topics
)
async def async_will_remove_from_hass(self):
"""Unsubscribe when removed."""
self._sub_state = await subscription.async_unsubscribe_topics(
self.hass, self._sub_state
)
await MqttAttributes.async_will_remove_from_hass(self)
await MqttAvailability.async_will_remove_from_hass(self)
@property
def should_poll(self):
"""No polling needed."""
return False
@property
def assumed_state(self):
"""Return true if we do optimistic updates."""
return self._optimistic
@property
def name(self):
"""Return the name of the cover."""
return self._config[CONF_NAME]
@property
def is_closed(self):
"""Return if the cover is closed."""
return self._state
@property
def current_cover_position(self):
"""Return current position of cover.
None is unknown, 0 is closed, 100 is fully open.
"""
return self._position
@property
def current_cover_tilt_position(self):
"""Return current position of cover tilt."""
return self._tilt_value
@property
def device_class(self):
"""Return the class of this sensor."""
return self._config.get(CONF_DEVICE_CLASS)
@property
def supported_features(self):
"""Flag supported features."""
supported_features = 0
if self._config.get(CONF_COMMAND_TOPIC) is not None:
supported_features = OPEN_CLOSE_FEATURES
if self._config.get(CONF_SET_POSITION_TOPIC) is not None:
supported_features |= SUPPORT_SET_POSITION
if self._config.get(CONF_TILT_COMMAND_TOPIC) is not None:
supported_features |= TILT_FEATURES
return supported_features
async def async_open_cover(self, **kwargs):
"""Move the cover up.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass,
self._config.get(CONF_COMMAND_TOPIC),
self._config[CONF_PAYLOAD_OPEN],
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
if self._optimistic:
# Optimistically assume that cover has changed state.
self._state = False
if self._config.get(CONF_GET_POSITION_TOPIC):
self._position = self.find_percentage_in_range(
self._config[CONF_POSITION_OPEN], COVER_PAYLOAD
)
self.async_write_ha_state()
async def async_close_cover(self, **kwargs):
"""Move the cover down.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass,
self._config.get(CONF_COMMAND_TOPIC),
self._config[CONF_PAYLOAD_CLOSE],
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
if self._optimistic:
# Optimistically assume that cover has changed state.
self._state = True
if self._config.get(CONF_GET_POSITION_TOPIC):
self._position = self.find_percentage_in_range(
self._config[CONF_POSITION_CLOSED], COVER_PAYLOAD
)
self.async_write_ha_state()
async def async_stop_cover(self, **kwargs):
"""Stop the device.
This method is a coroutine.
"""
mqtt.async_publish(
self.hass,
self._config.get(CONF_COMMAND_TOPIC),
self._config[CONF_PAYLOAD_STOP],
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
async def async_open_cover_tilt(self, **kwargs):
"""Tilt the cover open."""
mqtt.async_publish(
self.hass,
self._config.get(CONF_TILT_COMMAND_TOPIC),
self._config[CONF_TILT_OPEN_POSITION],
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
if self._tilt_optimistic:
self._tilt_value = self.find_percentage_in_range(
float(self._config[CONF_TILT_OPEN_POSITION])
)
self.async_write_ha_state()
async def async_close_cover_tilt(self, **kwargs):
"""Tilt the cover closed."""
mqtt.async_publish(
self.hass,
self._config.get(CONF_TILT_COMMAND_TOPIC),
self._config[CONF_TILT_CLOSED_POSITION],
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
if self._tilt_optimistic:
self._tilt_value = self.find_percentage_in_range(
float(self._config[CONF_TILT_CLOSED_POSITION])
)
self.async_write_ha_state()
async def async_set_cover_tilt_position(self, **kwargs):
"""Move the cover tilt to a specific position."""
if ATTR_TILT_POSITION not in kwargs:
return
position = float(kwargs[ATTR_TILT_POSITION])
# The position needs to be between min and max
level = self.find_in_range_from_percent(position)
mqtt.async_publish(
self.hass,
self._config.get(CONF_TILT_COMMAND_TOPIC),
level,
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
async def async_set_cover_position(self, **kwargs):
"""Move the cover to a specific position."""
set_position_template = self._config.get(CONF_SET_POSITION_TEMPLATE)
if ATTR_POSITION in kwargs:
position = kwargs[ATTR_POSITION]
percentage_position = position
if set_position_template is not None:
try:
position = set_position_template.async_render(**kwargs)
except TemplateError as ex:
_LOGGER.error(ex)
self._state = None
elif (
self._config[CONF_POSITION_OPEN] != 100
and self._config[CONF_POSITION_CLOSED] != 0
):
position = self.find_in_range_from_percent(position, COVER_PAYLOAD)
mqtt.async_publish(
self.hass,
self._config.get(CONF_SET_POSITION_TOPIC),
position,
self._config[CONF_QOS],
self._config[CONF_RETAIN],
)
if self._optimistic:
self._state = percentage_position == self._config[CONF_POSITION_CLOSED]
self._position = percentage_position
self.async_write_ha_state()
async def async_toggle_tilt(self, **kwargs):
"""Toggle the entity."""
if self.is_tilt_closed():
await self.async_open_cover_tilt(**kwargs)
else:
await self.async_close_cover_tilt(**kwargs)
def is_tilt_closed(self):
"""Return if the cover is tilted closed."""
return self._tilt_value == self.find_percentage_in_range(
float(self._config[CONF_TILT_CLOSED_POSITION])
)
def find_percentage_in_range(self, position, range_type=TILT_PAYLOAD):
"""Find the 0-100% value within the specified range."""
# the range of motion as defined by the min max values
if range_type == COVER_PAYLOAD:
max_range = self._config[CONF_POSITION_OPEN]
min_range = self._config[CONF_POSITION_CLOSED]
else:
max_range = self._config[CONF_TILT_MAX]
min_range = self._config[CONF_TILT_MIN]
current_range = max_range - min_range
# offset to be zero based
offset_position = position - min_range
position_percentage = round(float(offset_position) / current_range * 100.0)
max_percent = 100
min_percent = 0
position_percentage = min(max(position_percentage, min_percent), max_percent)
if range_type == TILT_PAYLOAD and self._config[CONF_TILT_INVERT_STATE]:
return 100 - position_percentage
return position_percentage
def find_in_range_from_percent(self, percentage, range_type=TILT_PAYLOAD):
"""
Find the adjusted value for 0-100% within the specified range.
if the range is 80-180 and the percentage is 90
this method would determine the value to send on the topic
by offsetting the max and min, getting the percentage value and
returning the offset
"""
if range_type == COVER_PAYLOAD:
max_range = self._config[CONF_POSITION_OPEN]
min_range = self._config[CONF_POSITION_CLOSED]
else:
max_range = self._config[CONF_TILT_MAX]
min_range = self._config[CONF_TILT_MIN]
offset = min_range
current_range = max_range - min_range
position = round(current_range * (percentage / 100.0))
position += offset
if range_type == TILT_PAYLOAD and self._config[CONF_TILT_INVERT_STATE]:
position = max_range - position + offset
return position
@property
def unique_id(self):
"""Return a unique ID."""
return self._unique_id