Fix LastUpdatedSensor reporting

custom_components/ppc_smgw/ppc_smgw.py

@@ -3,6 +3,7 @@
 import urllib3
 from typing import List
 import httpx
+from datetime import datetime
 
 from .reading import Reading
 from .errors import SessionCookieStillPresentError
@@ -116,11 +117,14 @@ async def get_data(self) -> List[Reading]:
 
                 # The SMGW returns the meter values in two rows, one for the consumption and one for the feed-in
                 # We need to store the timestamp of the first row and use it for the second row
-                current_timestamp = row.find(id="table_metervalues_col_timestamp")
-                if current_timestamp is None:
+                row_timestamp = row.find(id="table_metervalues_col_timestamp")
+                if row_timestamp is None:
+                    self.logger.debug(f"Timestamp not found, using previous: {current_timestamp}")
                     current_timestamp = timestamp
                 else:
-                    timestamp = current_timestamp.string
+                    self.logger.debug(f"Found timestamp: {row_timestamp.string}")
+                    current_timestamp = datetime.strptime(row_timestamp.string, "%Y-%m-%d %H:%M:%S")
+                    timestamp = current_timestamp
 
                 readings.append(Reading(
                     value = row.find(id="table_metervalues_col_wert").string,

custom_components/ppc_smgw/reading.py

@@ -1,10 +1,11 @@
 from dataclasses import dataclass
+from datetime import datetime
 
 @dataclass
 class Reading:
     value: str
     unit: str
-    timestamp: str
+    timestamp: datetime
     isvalid: str
     name: str
     obis: str

custom_components/ppc_smgw/sensor.py

@@ -16,7 +16,9 @@
 
 async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities):
     coordinator = hass.data[DOMAIN][config_entry.entry_id]
-    entities = []
+    entities = [
+        LastUpdatedSensor(coordinator, LastUpdatedSensorDescription)
+    ]
     available_sensors = None
     if hasattr(coordinator, 'ppc_smgw'):
         if hasattr(coordinator.ppc_smgw, '_readings'):
@@ -41,8 +43,6 @@ async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry, asyn
         entity = PPC_SMGWSensor(coordinator, description)
         entities.append(entity)
 
-    # Last update sensor
-    entities.append(LastUpdatedSensor(coordinator, LastUpdatedSensorDescription))
 
     async_add_entities(entities)