Implement new state property for alarm_control_panel which is using an enum (#126283)

* Alarm state from enum

* Fixes

* Set final

* Fix rebase

* Test const

* Fix breaking version

* Fix other for alarm_control_panel

* Fix integrations

* More

* More

* More

* More

* Fix zha

* Replace _attr_state

* Fix alarm_control_panel

* Fix tests

* Fixes

* Mods

* Change some

* More

* More

* More

* Tests

* Last tests

* Return enum

* Fix zha

* Remove not needed check

* Fix wording

* Fix homekit

* Mod prometheus

* Fix mypy

* Fix homekit

* Fix ifttt

homeassistant/components/abode/alarm_control_panel.py

@@ -7,13 +7,9 @@ from jaraco.abode.devices.alarm import Alarm
 from homeassistant.components.alarm_control_panel import (
     AlarmControlPanelEntity,
     AlarmControlPanelEntityFeature,
+    AlarmControlPanelState,
 )
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import (
-    STATE_ALARM_ARMED_AWAY,
-    STATE_ALARM_ARMED_HOME,
-    STATE_ALARM_DISARMED,
-)
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 
@@ -44,14 +40,14 @@ class AbodeAlarm(AbodeDevice, AlarmControlPanelEntity):
     _device: Alarm
 
     @property
-    def state(self) -> str | None:
+    def alarm_state(self) -> AlarmControlPanelState | None:
         """Return the state of the device."""
         if self._device.is_standby:
-            return STATE_ALARM_DISARMED
+            return AlarmControlPanelState.DISARMED
         if self._device.is_away:
-            return STATE_ALARM_ARMED_AWAY
+            return AlarmControlPanelState.ARMED_AWAY
         if self._device.is_home:
-            return STATE_ALARM_ARMED_HOME
+            return AlarmControlPanelState.ARMED_HOME
         return None
 
     def alarm_disarm(self, code: str | None = None) -> None: