Initialize docker stack repo

homeassistant/config/custom_components/midea_dehumidifier_lan/fan.py

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+"""Adds fan entity for each dehumidifer appliance."""
+
+import logging
+from typing import Any, Final
+
+from homeassistant.components.fan import (
+    FanEntityFeature,
+    FanEntity,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from custom_components.midea_dehumidifier_lan.const import ATTR_FAN_SPEED, DOMAIN
+from custom_components.midea_dehumidifier_lan.appliance_coordinator import (
+    ApplianceEntity,
+    ApplianceUpdateCoordinator,
+)
+from custom_components.midea_dehumidifier_lan.hub import Hub
+
+_LOGGER = logging.getLogger(__name__)
+
+MODE_NONE: Final = "None"
+MODE_AUTO: Final = "Auto"
+MODE_LOW: Final = "Low"
+MODE_MEDIUM: Final = "Medium"
+MODE_HIGH: Final = "High"
+
+PRESET_MODES_7: Final = [MODE_LOW, MODE_MEDIUM, MODE_HIGH]
+PRESET_MODES_3: Final = [MODE_LOW, MODE_HIGH]
+PRESET_MODES_2: Final = [MODE_AUTO]
+
+_FAN_SPEEDS = {2: PRESET_MODES_2, 3: PRESET_MODES_3, 7: PRESET_MODES_7}
+_ON_SPEED = {2: MODE_AUTO, 3: MODE_HIGH, 7: MODE_HIGH}
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Sets up fan entity for dehumidifer"""
+
+    hub: Hub = hass.data[DOMAIN][config_entry.entry_id]
+
+    async_add_entities(
+        DehumidiferFan(c) for c in hub.coordinators if c.is_dehumidifier()
+    )
+
+
+# pylint: disable=too-many-ancestors
+class DehumidiferFan(ApplianceEntity, FanEntity):
+    """Entity for managing dehumidifer fan"""
+
+    _attr_supported_features = (
+        FanEntityFeature.PRESET_MODE | 
+        FanEntityFeature.TURN_OFF | 
+        FanEntityFeature.TURN_ON
+    )
+
+    _attr_preset_modes = PRESET_MODES_7
+    _attr_speed_count = len(PRESET_MODES_7)
+    _name_suffix = " Fan"
+    _on_speed = MODE_MEDIUM
+
+    def __init__(self, coordinator: ApplianceUpdateCoordinator) -> None:
+
+        super().__init__(coordinator)
+        self._fan_speeds = {
+            MODE_NONE: 0,
+            MODE_LOW: 40,
+            MODE_MEDIUM: 60,
+            MODE_HIGH: 80,
+            MODE_AUTO: 101,
+        }
+
+    @property
+    def is_on(self):
+        # Override parent logic
+        return self._attr_is_on
+
+    def on_online(self, update: bool) -> None:
+        supports = self.dehumidifier().capabilities
+        fan_capability = supports.get("fan_speed", 0)
+        self._attr_preset_modes = _FAN_SPEEDS.get(fan_capability, PRESET_MODES_7)
+        self._on_speed = _ON_SPEED.get(fan_capability, MODE_HIGH)
+        self._attr_speed_count = len(self._attr_preset_modes)
+        return super().on_online(update)
+
+    def on_update(self) -> None:
+        fan_speed = self.dehumidifier().fan_speed
+        self._attr_percentage = fan_speed
+        self._attr_is_on = fan_speed > self._fan_speeds[MODE_LOW]
+        for mode, mode_speed in self._fan_speeds.items():
+            if fan_speed <= mode_speed:
+                self._attr_preset_mode = mode
+                break
+        else:
+            self._attr_preset_mode = MODE_NONE
+
+    def set_preset_mode(self, preset_mode: str) -> None:
+        """Set the preset mode of the fan."""
+        speed = self._fan_speeds.get(preset_mode, None)
+        _LOGGER.debug("Setting speed to %s", speed)
+        if speed is not None:
+            self.apply(ATTR_FAN_SPEED, speed)
+        else:
+            _LOGGER.warning("Unsupported fan mode %s", preset_mode)
+
+    def set_percentage(self, percentage: int) -> None:
+        """Set the speed percentage of the fan."""
+        _LOGGER.debug("Setting percentage to %s", percentage)
+
+        self.apply(ATTR_FAN_SPEED, percentage)
+
+    def turn_on(
+        self,
+        speed: str = None,
+        percentage: int = None,
+        preset_mode: str = None,
+        **kwargs,
+    ) -> None:
+        """Turns fan to medium speed."""
+        updated = False
+        if preset_mode is not None:
+            self.set_preset_mode(preset_mode)
+            updated = True
+        if percentage is not None:
+            self.set_percentage(percentage)
+            updated = True
+        if speed is not None:
+            self.set_speed(speed)
+            updated = True
+        # _LOGGER.debug("turn_on percentage=%s was_updated=%s", self._attr_percentage, updated)
+        if (
+            not updated
+            and (self._attr_percentage or 0) < self._fan_speeds[self._on_speed]
+        ):
+            self.set_preset_mode(self._on_speed)
+
+    def turn_off(self, **kwargs: Any) -> None:
+        """Turns fan to silent speed."""
+        self.set_preset_mode(MODE_LOW)