Add velbus HVAC options (#106570)

* Added HVAC options

* Update manifest.json

required aio to 2023.12.0

* Update manifest.json

* Add files via upload

* Update homeassistant/components/velbus/climate.py

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>

* Update climate.py

removed unused variables for cool and heat

* Update climate.py

removed unused functions

* Update homeassistant/components/velbus/climate.py

Co-authored-by: Erik Montnemery <erik@montnemery.com>

* Update climate.py

accepted changes

* Update climate.py

remove state None for HVAC-MODE

* Update climate.py

changed set_hvac_mode to remove none and only switch when state /= requested mode

* Update climate.py

indent on line 94/95

* Update climate.py

changed set_hvac_mode attribute type to match superclass ClimateEntity (HVACMode)

* Update climate.py

changed def hvac_mode to 2 return options (to avoid any)

* Update climate.py

ruff formatting

* Update climate.py

added serviceValidationError section in hvac_mode setting

* Update climate.py

* Update climate.py

* Update climate.py

* Update climate.py

* Update climate.py

* Update climate.py

* Update climate.py

* Update climate.py

* Update strings.json

* Update strings.json

* Apply suggestions from code review

---------

Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>
Co-authored-by: Erik Montnemery <erik@montnemery.com>

homeassistant/components/velbus/climate.py

@@ -14,6 +14,7 @@ from homeassistant.components.climate import (
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import ATTR_TEMPERATURE, UnitOfTemperature
 from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import ServiceValidationError
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
 from .const import DOMAIN, PRESET_MODES
@@ -39,8 +40,7 @@ class VelbusClimate(VelbusEntity, ClimateEntity):
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _attr_hvac_mode = HVACMode.HEAT
+    _attr_hvac_modes = [HVACMode.HEAT, HVACMode.COOL]
-    _attr_hvac_modes = [HVACMode.HEAT]
     _attr_preset_modes = list(PRESET_MODES)
     _enable_turn_on_off_backwards_compatibility = False
 
@@ -66,6 +66,11 @@ class VelbusClimate(VelbusEntity, ClimateEntity):
         """Return the current temperature."""
         return self._channel.get_state()
 
+    @property
+    def hvac_mode(self) -> HVACMode:
+        """Return the current hvac mode based on cool_mode message."""
+        return HVACMode.COOL if self._channel.get_cool_mode() else HVACMode.HEAT
+
     @api_call
     async def async_set_temperature(self, **kwargs: Any) -> None:
         """Set new target temperatures."""
@@ -79,3 +84,15 @@ class VelbusClimate(VelbusEntity, ClimateEntity):
         """Set the new preset mode."""
         await self._channel.set_preset(PRESET_MODES[preset_mode])
         self.async_write_ha_state()
+
+    @api_call
+    async def async_set_hvac_mode(self, hvac_mode: HVACMode) -> None:
+        """Set the new hvac mode."""
+        if hvac_mode not in self._attr_hvac_modes:
+            raise ServiceValidationError(
+                translation_domain=DOMAIN,
+                translation_key="invalid_hvac_mode",
+                translation_placeholders={"hvac_mode": str(hvac_mode)},
+            )
+        await self._channel.set_mode(hvac_mode)
+        self.async_write_ha_state()

homeassistant/components/velbus/strings.json

@@ -17,6 +17,11 @@
       "already_configured": "[%key:common::config_flow::abort::already_configured_device%]"
     }
   },
+  "exceptions": {
+    "invalid_hvac_mode": {
+      "message": "Climate mode {hvac_mode} is not supported."
+    }
+  },
   "services": {
     "sync_clock": {
       "name": "Sync clock",