Add tolo fan platform (#60502)

.coveragerc

@@ -1098,6 +1098,7 @@ omit =
     homeassistant/components/tolo/binary_sensor.py
     homeassistant/components/tolo/button.py
     homeassistant/components/tolo/climate.py
+    homeassistant/components/tolo/fan.py
     homeassistant/components/tolo/light.py
     homeassistant/components/tolo/select.py
     homeassistant/components/tolo/sensor.py

homeassistant/components/tolo/__init__.py

@@ -22,7 +22,15 @@ from homeassistant.helpers.update_coordinator import (
 
 from .const import DEFAULT_RETRY_COUNT, DEFAULT_RETRY_TIMEOUT, DOMAIN
 
-PLATFORMS = ["binary_sensor", "button", "climate", "light", "select", "sensor"]
+PLATFORMS = [
+    "binary_sensor",
+    "button",
+    "climate",
+    "fan",
+    "light",
+    "select",
+    "sensor",
+]
 
 _LOGGER = logging.getLogger(__name__)
 

homeassistant/components/tolo/fan.py

@@ -0,0 +1,56 @@
+"""TOLO Sauna fan controls."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.fan import FanEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import ToloSaunaCoordinatorEntity, ToloSaunaUpdateCoordinator
+from .const import DOMAIN
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up fan controls for TOLO Sauna."""
+    coordinator = hass.data[DOMAIN][entry.entry_id]
+    async_add_entities([ToloFan(coordinator, entry)])
+
+
+class ToloFan(ToloSaunaCoordinatorEntity, FanEntity):
+    """Sauna fan control."""
+
+    _attr_name = "Fan"
+
+    def __init__(
+        self, coordinator: ToloSaunaUpdateCoordinator, entry: ConfigEntry
+    ) -> None:
+        """Initialize TOLO fan entity."""
+        super().__init__(coordinator, entry)
+
+        self._attr_unique_id = f"{entry.entry_id}_fan"
+
+    @property
+    def is_on(self) -> bool:
+        """Return if sauna fan is running."""
+        return self.coordinator.data.status.fan_on
+
+    def turn_on(
+        self,
+        speed: str | None = None,
+        percentage: int | None = None,
+        preset_mode: str | None = None,
+        **kwargs: Any,
+    ) -> None:
+        """Turn on sauna fan."""
+        self.coordinator.client.set_fan_on(True)
+
+    def turn_off(self, **kwargs: Any) -> None:
+        """Turn off sauna fan."""
+        self.coordinator.client.set_fan_on(False)