Improve handling of missing miele program codes (#144093)

* Use device class transation

* Improve handling of unknown program codes

* Address review comment

homeassistant/components/miele/const.py

@@ -2,6 +2,8 @@
 
 from enum import IntEnum
 
+from pymiele import MieleEnum
+
 DOMAIN = "miele"
 MANUFACTURER = "Miele"
 
@@ -325,13 +327,17 @@ STATE_PROGRAM_PHASE: dict[int, dict[int, str]] = {
     MieleAppliance.ROBOT_VACUUM_CLEANER: STATE_PROGRAM_PHASE_ROBOT_VACUUM_CLEANER,
 }
 
-STATE_PROGRAM_TYPE = {
-    0: "normal_operation_mode",
-    1: "own_program",
-    2: "automatic_program",
-    3: "cleaning_care_program",
-    4: "maintenance_program",
-}
+
+class StateProgramType(MieleEnum):
+    """Defines program types."""
+
+    normal_operation_mode = 0
+    own_program = 1
+    automatic_program = 2
+    cleaning_care_program = 3
+    maintenance_program = 4
+    unknown = -9999
+
 
 WASHING_MACHINE_PROGRAM_ID: dict[int, str] = {
     -1: "no_program",  # Extrapolated from other device types.

homeassistant/components/miele/sensor.py

@@ -30,9 +30,9 @@ from homeassistant.helpers.typing import StateType
 from .const import (
     STATE_PROGRAM_ID,
     STATE_PROGRAM_PHASE,
-    STATE_PROGRAM_TYPE,
     STATE_STATUS_TAGS,
     MieleAppliance,
+    StateProgramType,
     StateStatus,
 )
 from .coordinator import MieleConfigEntry, MieleDataUpdateCoordinator
@@ -181,10 +181,10 @@ SENSOR_TYPES: Final[tuple[MieleSensorDefinition, ...]] = (
         description=MieleSensorDescription(
             key="state_program_type",
             translation_key="program_type",
-            value_fn=lambda value: value.state_program_type,
+            value_fn=lambda value: StateProgramType(value.state_program_type).name,
             entity_category=EntityCategory.DIAGNOSTIC,
             device_class=SensorDeviceClass.ENUM,
-            options=sorted(set(STATE_PROGRAM_TYPE.values())),
+            options=sorted(set(StateProgramType.keys())),
         ),
     ),
     MieleSensorDefinition(
@@ -440,8 +440,6 @@ async def async_setup_entry(
                         entity_class = MieleProgramIdSensor
                     case "state_program_phase":
                         entity_class = MielePhaseSensor
-                    case "state_program_type":
-                        entity_class = MieleTypeSensor
                     case _:
                         entity_class = MieleSensor
                 if (
@@ -553,22 +551,6 @@ class MielePhaseSensor(MieleSensor):
         )
 
 
-class MieleTypeSensor(MieleSensor):
-    """Representation of the program type sensor."""
-
-    @property
-    def native_value(self) -> StateType:
-        """Return the state of the sensor."""
-        ret_val = STATE_PROGRAM_TYPE.get(int(self.device.state_program_type))
-        if ret_val is None:
-            _LOGGER.debug(
-                "Unknown program type: %s on device type: %s",
-                self.device.state_program_type,
-                self.device.device_type,
-            )
-        return ret_val
-
-
 class MieleProgramIdSensor(MieleSensor):
     """Representation of the program id sensor."""
 

tests/components/miele/snapshots/test_sensor.ambr

@@ -788,6 +788,7 @@
         'maintenance_program',
         'normal_operation_mode',
         'own_program',
+        'unknown',
       ]),
     }),
     'config_entry_id': <ANY>,
@@ -829,6 +830,7 @@
         'maintenance_program',
         'normal_operation_mode',
         'own_program',
+        'unknown',
       ]),
     }),
     'context': <ANY>,