Add fan support to lutron_caseta (#29033)

* Adding lutron_caseta fan controller. Updated to pylutron 0.5.1

* Accidental import remain

* updating for black formatting

* Fix blank spaces

* Moving third party import

* update to 0.5.1 to pass checks

* fix deletion of new line

* Update fan.py

* Update with dev branch, update from comments, added mediumhigh

homeassistant/components/lutron_caseta/__init__.py

@@ -32,7 +32,7 @@
     extra=vol.ALLOW_EXTRA,
 )
 
-LUTRON_CASETA_COMPONENTS = ["light", "switch", "cover", "scene"]
+LUTRON_CASETA_COMPONENTS = ["light", "switch", "cover", "scene", "fan"]
 
 
 async def async_setup(hass, base_config):

homeassistant/components/lutron_caseta/fan.py

@@ -0,0 +1,96 @@
+"""Support for Lutron Caseta fans."""
+import logging
+
+from pylutron_caseta import FAN_OFF, FAN_LOW, FAN_MEDIUM, FAN_MEDIUM_HIGH, FAN_HIGH
+
+from homeassistant.components.fan import (
+    SUPPORT_SET_SPEED,
+    FanEntity,
+    DOMAIN,
+    SPEED_HIGH,
+    SPEED_LOW,
+    SPEED_MEDIUM,
+    SPEED_OFF,
+)
+
+from . import LUTRON_CASETA_SMARTBRIDGE, LutronCasetaDevice
+
+_LOGGER = logging.getLogger(__name__)
+
+VALUE_TO_SPEED = {
+    None: SPEED_OFF,
+    FAN_OFF: SPEED_OFF,
+    FAN_LOW: SPEED_LOW,
+    FAN_MEDIUM: SPEED_MEDIUM,
+    FAN_MEDIUM_HIGH: SPEED_MEDIUM,
+    FAN_HIGH: SPEED_HIGH,
+}
+
+SPEED_TO_VALUE = {
+    SPEED_OFF: FAN_OFF,
+    SPEED_LOW: FAN_LOW,
+    SPEED_MEDIUM: FAN_MEDIUM,
+    SPEED_HIGH: FAN_HIGH,
+}
+
+FAN_SPEEDS = [SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
+
+
+async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
+    """Set up Lutron fan."""
+    entities = []
+    bridge = hass.data[LUTRON_CASETA_SMARTBRIDGE]
+    fan_devices = bridge.get_devices_by_domain(DOMAIN)
+
+    for fan_device in fan_devices:
+        entity = LutronCasetaFan(fan_device, bridge)
+        entities.append(entity)
+
+    async_add_entities(entities, True)
+
+
+class LutronCasetaFan(LutronCasetaDevice, FanEntity):
+    """Representation of a Lutron Caseta fan. Including Fan Speed."""
+
+    @property
+    def speed(self) -> str:
+        """Return the current speed."""
+        return VALUE_TO_SPEED[self._device["fan_speed"]]
+
+    @property
+    def speed_list(self) -> list:
+        """Get the list of available speeds."""
+        return FAN_SPEEDS
+
+    @property
+    def supported_features(self) -> int:
+        """Flag supported features. Speed Only."""
+        return SUPPORT_SET_SPEED
+
+    async def async_turn_on(self, speed: str = None, **kwargs):
+        """Turn the fan on."""
+        if speed is None:
+            speed = SPEED_MEDIUM
+        await self.async_set_speed(speed)
+
+    async def async_turn_off(self, **kwargs):
+        """Turn the fan off."""
+        await self.async_set_speed(SPEED_OFF)
+
+    async def async_set_speed(self, speed: str) -> None:
+        """Set the speed of the fan."""
+        self._smartbridge.set_fan(self.device_id, SPEED_TO_VALUE[speed])
+
+    @property
+    def is_on(self):
+        """Return true if device is on."""
+        return VALUE_TO_SPEED[self._device["fan_speed"]] in [
+            SPEED_LOW,
+            SPEED_MEDIUM,
+            SPEED_HIGH,
+        ]
+
+    async def async_update(self):
+        """Update when forcing a refresh of the device."""
+        self._device = self._smartbridge.get_device_by_id(self.device_id)
+        _LOGGER.debug("State of this lutron fan device is %s", self._device)