added dash for local db, ui prep work

lib/models/activity_timer_model.dart

@@ -13,6 +13,7 @@ class ActivityTimerModel with ChangeNotifier {
   Timer? _periodicTimer;
   double _progress = 0;
   ItemScrollController? _isc;
+  int _totalTime = 0;
 
   int get actionCount => _actionCounter;
   int get currentActionNum => _currentActionNum;
@@ -24,6 +25,7 @@ class ActivityTimerModel with ChangeNotifier {
   Timer? get periodicTimer => _periodicTimer;
   bool get isActive => _isActive();
   double get progress => _progress;
+  int get totalTime => _totalTime;
 
   void setup(ActivityModel activity) {
     if (_activity == null || activity.id != _activity?.id) {
@@ -35,11 +37,26 @@ class ActivityTimerModel with ChangeNotifier {
       _currentActionNum = 0;
       _currentSetNum = 0;
       setActionCount();
+      getTotalTime();
     }
 
     moveToIndex(_currentSetNum);
   }
 
+  void getTotalTime() {
+    int time = 0;
+    for(int setIndex = 0; _sets.length > setIndex; setIndex++) {
+      for (int actionIndex = 0; _sets[setIndex].length > actionIndex; actionIndex++) {
+        var action = _sets[setIndex][actionIndex];
+        if (action['type'] == 'seconds') {
+          time = time + action['amount'] as int;
+        }
+      }
+    }
+
+    _totalTime = time;
+  }
+
   void reset() {
     _progress = 0;
     _currentActionNum = 0;
@@ -89,6 +106,7 @@ class ActivityTimerModel with ChangeNotifier {
         case 'seconds':
           if (_actionCounter > 0) {
             _actionCounter--;
+            _totalTime--;
           } else {
             nextAction(_currentActionNum + 1);
             setActionCount();
@@ -110,8 +128,8 @@ class ActivityTimerModel with ChangeNotifier {
   void setAction(int setNum, int actionNum, String type) {
     _currentActionNum = actionNum;
     _currentSetNum = setNum;
-    moveToIndex(_currentSetNum);
     notifyListeners();
+    moveToIndex(_currentSetNum);
   }
 
   void nextAction(int nextActionIndex) {