Add services for izone airflow min/max (#45727)

* Create airflow_min and airflow_max services for the izone component
* Bump pizone library requirement

homeassistant/components/izone/climate.py

@@ -1,8 +1,10 @@
 """Support for the iZone HVAC."""
+
 import logging
 from typing import List, Optional
 
 from pizone import Controller, Zone
+import voluptuous as vol
 
 from homeassistant.components.climate import ClimateEntity
 from homeassistant.components.climate.const import (
@@ -24,12 +26,14 @@ from homeassistant.components.climate.const import (
 )
 from homeassistant.const import (
     ATTR_TEMPERATURE,
+    CONF_ENTITY_ID,
     CONF_EXCLUDE,
     PRECISION_HALVES,
     PRECISION_TENTHS,
     TEMP_CELSIUS,
 )
 from homeassistant.core import callback
+from homeassistant.helpers import config_validation as cv, entity_platform
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.temperature import display_temp as show_temp
 from homeassistant.helpers.typing import ConfigType, HomeAssistantType
@@ -54,6 +58,20 @@ _IZONE_FAN_TO_HA = {
     Controller.Fan.AUTO: FAN_AUTO,
 }
 
+ATTR_AIRFLOW = "airflow"
+
+IZONE_SERVICE_AIRFLOW_MIN = "airflow_min"
+IZONE_SERVICE_AIRFLOW_MAX = "airflow_max"
+
+IZONE_SERVICE_AIRFLOW_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_ENTITY_ID): cv.entity_id,
+        vol.Required(ATTR_AIRFLOW): vol.All(
+            vol.Coerce(int), vol.Range(min=0, max=100), msg="invalid airflow"
+        ),
+    }
+)
+
 
 async def async_setup_entry(
     hass: HomeAssistantType, config: ConfigType, async_add_entities
@@ -83,6 +101,18 @@ async def async_setup_entry(
     # connect to register any further components
     async_dispatcher_connect(hass, DISPATCH_CONTROLLER_DISCOVERED, init_controller)
 
+    platform = entity_platform.current_platform.get()
+    platform.async_register_entity_service(
+        IZONE_SERVICE_AIRFLOW_MIN,
+        IZONE_SERVICE_AIRFLOW_SCHEMA,
+        "async_set_airflow_min",
+    )
+    platform.async_register_entity_service(
+        IZONE_SERVICE_AIRFLOW_MAX,
+        IZONE_SERVICE_AIRFLOW_SCHEMA,
+        "async_set_airflow_max",
+    )
+
     return True
 
 
@@ -572,6 +602,38 @@ class ZoneDevice(ClimateEntity):
         """Return the maximum temperature."""
         return self._controller.max_temp
 
+    @property
+    def airflow_min(self):
+        """Return the minimum air flow."""
+        return self._zone.airflow_min
+
+    @property
+    def airflow_max(self):
+        """Return the maximum air flow."""
+        return self._zone.airflow_max
+
+    @property
+    def device_state_attributes(self):
+        """Return the optional state attributes."""
+        return {
+            "airflow_min": self._zone.airflow_min,
+            "airflow_max": self._zone.airflow_max,
+        }
+
+    async def async_set_airflow_min(self, **kwargs):
+        """Set new airflow minimum."""
+        await self._controller.wrap_and_catch(
+            self._zone.set_airflow_min(int(kwargs[ATTR_AIRFLOW]))
+        )
+        self.async_write_ha_state()
+
+    async def async_set_airflow_max(self, **kwargs):
+        """Set new airflow maximum."""
+        await self._controller.wrap_and_catch(
+            self._zone.set_airflow_max(int(kwargs[ATTR_AIRFLOW]))
+        )
+        self.async_write_ha_state()
+
     async def async_set_temperature(self, **kwargs):
         """Set new target temperature."""
         if self._zone.mode != Zone.Mode.AUTO: