core/homeassistant/components/airly/sensor.py

159 lines
4.2 KiB
Python

"""Support for the Airly sensor service."""
from homeassistant.const import (
ATTR_ATTRIBUTION,
ATTR_DEVICE_CLASS,
CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
CONF_NAME,
DEVICE_CLASS_HUMIDITY,
DEVICE_CLASS_PRESSURE,
DEVICE_CLASS_TEMPERATURE,
PRESSURE_HPA,
TEMP_CELSIUS,
UNIT_PERCENTAGE,
)
from homeassistant.helpers.entity import Entity
from .const import (
ATTR_API_HUMIDITY,
ATTR_API_PM1,
ATTR_API_PRESSURE,
ATTR_API_TEMPERATURE,
DOMAIN,
)
ATTRIBUTION = "Data provided by Airly"
ATTR_ICON = "icon"
ATTR_LABEL = "label"
ATTR_UNIT = "unit"
SENSOR_TYPES = {
ATTR_API_PM1: {
ATTR_DEVICE_CLASS: None,
ATTR_ICON: "mdi:blur",
ATTR_LABEL: ATTR_API_PM1,
ATTR_UNIT: CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
},
ATTR_API_HUMIDITY: {
ATTR_DEVICE_CLASS: DEVICE_CLASS_HUMIDITY,
ATTR_ICON: None,
ATTR_LABEL: ATTR_API_HUMIDITY.capitalize(),
ATTR_UNIT: UNIT_PERCENTAGE,
},
ATTR_API_PRESSURE: {
ATTR_DEVICE_CLASS: DEVICE_CLASS_PRESSURE,
ATTR_ICON: None,
ATTR_LABEL: ATTR_API_PRESSURE.capitalize(),
ATTR_UNIT: PRESSURE_HPA,
},
ATTR_API_TEMPERATURE: {
ATTR_DEVICE_CLASS: DEVICE_CLASS_TEMPERATURE,
ATTR_ICON: None,
ATTR_LABEL: ATTR_API_TEMPERATURE.capitalize(),
ATTR_UNIT: TEMP_CELSIUS,
},
}
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up Airly sensor entities based on a config entry."""
name = config_entry.data[CONF_NAME]
coordinator = hass.data[DOMAIN][config_entry.entry_id]
sensors = []
for sensor in SENSOR_TYPES:
unique_id = f"{config_entry.unique_id}-{sensor.lower()}"
sensors.append(AirlySensor(coordinator, name, sensor, unique_id))
async_add_entities(sensors, False)
def round_state(func):
"""Round state."""
def _decorator(self):
res = func(self)
if isinstance(res, float):
return round(res)
return res
return _decorator
class AirlySensor(Entity):
"""Define an Airly sensor."""
def __init__(self, coordinator, name, kind, unique_id):
"""Initialize."""
self.coordinator = coordinator
self._name = name
self._unique_id = unique_id
self.kind = kind
self._device_class = None
self._state = None
self._icon = None
self._unit_of_measurement = None
self._attrs = {ATTR_ATTRIBUTION: ATTRIBUTION}
@property
def name(self):
"""Return the name."""
return f"{self._name} {SENSOR_TYPES[self.kind][ATTR_LABEL]}"
@property
def should_poll(self):
"""Return the polling requirement of the entity."""
return False
@property
def state(self):
"""Return the state."""
self._state = self.coordinator.data[self.kind]
if self.kind in [ATTR_API_PM1, ATTR_API_PRESSURE]:
self._state = round(self._state)
if self.kind in [ATTR_API_TEMPERATURE, ATTR_API_HUMIDITY]:
self._state = round(self._state, 1)
return self._state
@property
def device_state_attributes(self):
"""Return the state attributes."""
return self._attrs
@property
def icon(self):
"""Return the icon."""
self._icon = SENSOR_TYPES[self.kind][ATTR_ICON]
return self._icon
@property
def device_class(self):
"""Return the device_class."""
return SENSOR_TYPES[self.kind][ATTR_DEVICE_CLASS]
@property
def unique_id(self):
"""Return a unique_id for this entity."""
return self._unique_id
@property
def unit_of_measurement(self):
"""Return the unit the value is expressed in."""
return SENSOR_TYPES[self.kind][ATTR_UNIT]
@property
def available(self):
"""Return True if entity is available."""
return self.coordinator.last_update_success
async def async_added_to_hass(self):
"""Connect to dispatcher listening for entity data notifications."""
self.async_on_remove(
self.coordinator.async_add_listener(self.async_write_ha_state)
)
async def async_update(self):
"""Update Airly entity."""
await self.coordinator.async_request_refresh()