fix: enhance variable context handling and improve unit extraction logic in ClassifyEntry method

CounterServer/module.php

@@ -187,9 +187,16 @@ class CounterClient extends IPSModule
         }
 
         if (IPS_VariableExists($objectId)) {
+            $varName = IPS_GetName($objectId);
+            $parts = $path;
+
+            if (count($parts) === 0 || end($parts) !== $varName) {
+                $parts[] = $varName;
+            }
+
             $result[] = [
                 'varId' => $objectId,
-                'context' => $this->buildContextString($path, IPS_GetName($objectId))
+                'context' => implode(' ', $parts)
             ];
             return $result;
         }
@@ -228,25 +235,6 @@ class CounterClient extends IPSModule
         return null;
     }
 
-        $profileName = '';
-        if ($var['VariableCustomProfile'] !== '') {
-            $profileName = $var['VariableCustomProfile'];
-        } elseif ($var['VariableProfile'] !== '') {
-            $profileName = $var['VariableProfile'];
-        }
-
-        $unit = '';
-        if ($profileName !== '' && IPS_VariableProfileExists($profileName)) {
-            $profile = IPS_GetVariableProfile($profileName);
-            $suffix = trim((string)$profile['Suffix']);
-            $prefix = trim((string)$profile['Prefix']);
-            $unit = trim($prefix . ' ' . $suffix);
-        }
-
-        if ($unit === '') {
-            return null;
-        }
-
     $value = GetValue($varId);
     if (!is_numeric($value)) {
         return null;
@@ -254,6 +242,13 @@ class CounterClient extends IPSModule
 
     $value = round((float)$value, 3);
     $context = mb_strtolower($entry['context']);
+
+    $unit = $this->extractUnitFromVariable($varId, $var, $value);
+    if ($unit === '') {
+        IPS_LogMessage('CounterClient', 'Variable ohne erkennbare Einheit ignoriert: ' . $context);
+        return null;
+    }
+
     $unitNorm = $this->normalizeUnit($unit);
 
     if ($this->isTotalUnit($unitNorm, $context)) {
@@ -373,9 +368,9 @@ class CounterClient extends IPSModule
         ];
     }
 
+    IPS_LogMessage('CounterClient', 'Nicht erkannt: ' . $context . ' | Unit: ' . $unitNorm);
     return null;
 }
-
     private function assignInOutValues(array &$counterData, array $items, string $fieldIn, string $fieldOut): void
     {
         foreach ($items as $item) {
@@ -402,7 +397,65 @@ class CounterClient extends IPSModule
             }
         }
     }
+        private function extractUnitFromVariable(int $varId, array $var, float $value): string
+    {
+        $profileName = '';
 
+        if ($var['VariableCustomProfile'] !== '') {
+            $profileName = $var['VariableCustomProfile'];
+        } elseif ($var['VariableProfile'] !== '') {
+            $profileName = $var['VariableProfile'];
+        }
+
+        if ($profileName !== '' && IPS_VariableProfileExists($profileName)) {
+            $profile = IPS_GetVariableProfile($profileName);
+            $suffix = trim((string)$profile['Suffix']);
+            $prefix = trim((string)$profile['Prefix']);
+            $unit = trim($prefix . ' ' . $suffix);
+
+            if ($unit !== '') {
+                return $unit;
+            }
+        }
+
+        $formatted = GetValueFormatted($varId);
+        $unitFromFormatted = $this->extractUnitFromFormattedValue($formatted, $value);
+
+        if ($unitFromFormatted !== '') {
+            return $unitFromFormatted;
+        }
+
+        return '';
+    }
+        private function extractUnitFromFormattedValue(string $formatted, float $value): string
+    {
+        $formatted = trim($formatted);
+
+        if ($formatted === '') {
+            return '';
+        }
+
+        $valueStr1 = number_format($value, 2, ',', '.');
+        $valueStr2 = number_format($value, 3, ',', '.');
+        $valueStr3 = str_replace('.', ',', (string)$value);
+        $valueStr4 = str_replace(',', '.', (string)$value);
+
+        $unit = $formatted;
+
+        $search = [$valueStr1, $valueStr2, $valueStr3, $valueStr4];
+        foreach ($search as $needle) {
+            if ($needle !== '') {
+                $unit = str_replace($needle, '', $unit);
+            }
+        }
+
+        $unit = trim($unit);
+
+        $unit = preg_replace('/^[\-\+\d\.,\s]+/u', '', $unit);
+        $unit = trim($unit);
+
+        return $unit;
+    }
     private function DetectCounterType(array $counterData, string $context): string
     {
         $unit = isset($counterData['unit']) ? $this->normalizeUnit((string)$counterData['unit']) : '';