adding only the required parameters for the current event

sw/lib/addeventkottaspegel.dart

@@ -334,7 +334,8 @@ class _AddEventKottasPegelPageState extends State<AddEventKottasPegel>  {
     );
   }
 
-  Future<void> _storeCurrentMeasurementEvent(BuildContext context) async {
+  Future<void> _storeCurrentMeasurementEvent(BuildContext context, bool addAngle, bool addOldLength, bool addNewLength) async {
+
     final EventStoreInstance event = EventStoreInstance();
     final ConfigurationStoreInstance configuration = ConfigurationStoreInstance();
 
@@ -347,13 +348,21 @@ class _AddEventKottasPegelPageState extends State<AddEventKottasPegel>  {
     //Generate Payload Measurement Data
     Map<String, dynamic> data =
     {
-      'status' : measurementStatusItems[measurementStatusId],
-      'angle' : angleStatus,
-      'lengthOld': lengthOld,
-      'lengthNew' : lengthNew,
+      'measurement_status' : measurementStatusItems[measurementStatusId],
     };
+    if(true == addAngle){
+      data['angle_old'] = angleStatus;
+    }
+    if(true == addOldLength) {
+      data['length_old'] = lengthOld;
+    }
+    if (true == addNewLength) {
+      data['length_new'] = lengthNew;
+    }
 
-    //TODO: extend Database and add payload field.
+    //NOTE: these "parameters" exist as parameters on the sensor device.
+
+    //TODO: extend Database and add payload field, but only add the fields which are required for the current event.
     debugPrint('Payload$data');
 
     await database.addEvent(event.currentEvent);
@@ -379,6 +388,8 @@ class _AddEventKottasPegelPageState extends State<AddEventKottasPegel>  {
     lengthOld = 0;
     lengthNew = 0;
 
+
+
     await event.storeToSharedPrefs();
     await configuration.storeToSharedPrefs();
 
@@ -386,6 +397,7 @@ class _AddEventKottasPegelPageState extends State<AddEventKottasPegel>  {
     _eventAdded = true; // Trigger popup in build method
 
     setState(() {});
+
   }
 
   @override
@@ -888,7 +900,7 @@ class _AddEventKottasPegelPageState extends State<AddEventKottasPegel>  {
                 onPressed: () {
                   if (_validateInput()) {
                     _addButtonEnabled = false;  //Disable button until event is stored
-                    _storeCurrentMeasurementEvent(context);
+                    _storeCurrentMeasurementEvent(context, displayAngle, displayOldLength, displayNewLength);
                   }
                   setState(() {});
                 },