NPE fix

custom_components/versatile_thermostat/climate.py

@@ -220,6 +220,7 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
     _presence_state: bool
     _window_auto_state: bool
     _underlyings: list[UnderlyingEntity]
+    _last_change_time: datetime
 
     def __init__(self, hass: HomeAssistant, unique_id, name, entry_infos) -> None:
         """Initialize the thermostat."""
@@ -284,6 +285,8 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
 
         self._current_tz = dt_util.get_time_zone(self._hass.config.time_zone)
 
+        self._last_change_time = None
+
         self._underlyings = []
 
         self.post_init(entry_infos)
@@ -778,6 +781,8 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
             else:
                 self.hass.create_task(self._async_control_heating())
 
+            self.reset_last_change_time()
+
         await self.get_my_previous_state()
 
         if self.hass.state == CoreState.running:
@@ -1233,6 +1238,8 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
         # Ensure we update the current operation after changing the mode
         self.reset_last_temperature_time()
 
+        self.reset_last_change_time()
+
         self.update_custom_attributes()
         self.async_write_ha_state()
         self.send_event(EventType.HVAC_MODE_EVENT, {"hvac_mode": self._hvac_mode})
@@ -1288,6 +1295,11 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
         self.recalculate()
         self.send_event(EventType.PRESET_EVENT, {"preset": self._attr_preset_mode})
 
+    def reset_last_change_time(self, old_preset_mode=None):
+        """Reset to now the last change time"""
+        self._last_change_time = datetime.now(tz=self._current_tz)
+        _LOGGER.warning("%s - last_change_time is now %s", self, self._last_change_time)
+
     def reset_last_temperature_time(self, old_preset_mode=None):
         """Reset to now the last temperature time if conditions are satisfied"""
         if (
@@ -1363,6 +1375,7 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
         await self._async_internal_set_temperature(temperature)
         self._attr_preset_mode = PRESET_NONE
         self.recalculate()
+        self.reset_last_change_time()
         await self._async_control_heating(force=True)
 
     async def _async_internal_set_temperature(self, temperature):
@@ -1606,6 +1619,11 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
             else None
         )
 
+        old_state_date_changed = old_state.last_changed if old_state.last_changed else None
+        old_state_date_updated = old_state.last_updated if old_state.last_updated else None
+        new_state_date_changed = new_state.last_changed if new_state.last_changed else None
+        new_state_date_updated = new_state.last_updated if new_state.last_updated else None
+
         # Issue 99 - some AC turn hvac_mode=cool and hvac_action=idle when sending a HVACMode_OFF command
         # Issue 114 - Remove this because hvac_mode is now managed by local _hvac_mode and use idle action as is
         #if self._hvac_mode == HVACMode.OFF and new_hvac_action == HVACAction.IDLE:
@@ -1621,6 +1639,8 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
             old_hvac_action,
         )
 
+        _LOGGER.warning("%s - last_change_time=%s old_state_date_changed=%s old_state_date_updated=%s new_state_date_changed=%s new_state_date_updated=%s", self, self._last_change_time, old_state_date_changed, old_state_date_updated, new_state_date_changed, new_state_date_updated)
+
         if new_hvac_mode in [
             HVACMode.OFF,
             HVACMode.HEAT,
@@ -1633,7 +1653,7 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
         ] and self._hvac_mode != new_hvac_mode:
             changes = True
             self._hvac_mode = new_hvac_mode
-            # Do not try to update all underlying state, else we will have a loop
+            # Update all underlyings state
             if self._is_over_climate:
                 for under in self._underlyings:
                     await under.set_hvac_mode(new_hvac_mode)
@@ -1681,8 +1701,9 @@ class VersatileThermostat(ClimateEntity, RestoreEntity):
             # try to manage new target temperature set if state
             _LOGGER.debug("Do temperature check. temperature is %s, new_state.attributes is %s", self.target_temperature, new_state.attributes)
             if self._is_over_climate and new_state.attributes and (new_target_temp := new_state.attributes.get("temperature")) and new_target_temp != self.target_temperature:
-                _LOGGER.info("%s - Target temp have change to %s", self, new_target_temp)
-                await self.async_set_temperature(temperature = new_target_temp)
+                _LOGGER.warning("%s - Target temp have change to %s", self, new_target_temp)
+                # TODO temporary removes the temperature changes for test
+                # await self.async_set_temperature(temperature = new_target_temp)
                 changes = True
 
         if changes: