WT1.1.11 Null-Safe migration

lib/bloc/exercise_log/exercise_log_bloc.dart

@@ -15,7 +15,7 @@ part 'exercise_log_state.dart';
 class ExerciseLogBloc extends Bloc<ExerciseLogEvent, ExerciseLogState> {
   final ExerciseRepository exerciseRepository;
   @override
-  ExerciseLogBloc({this.exerciseRepository}) : super(ExerciseLogInitial());
+  ExerciseLogBloc({required this.exerciseRepository}) : super(ExerciseLogInitial());
 
   @override
   Stream<ExerciseLogState> mapEventToState(ExerciseLogEvent event) async* {
@@ -27,7 +27,7 @@ class ExerciseLogBloc extends Bloc<ExerciseLogEvent, ExerciseLogState> {
         yield ExerciseLogReady();
       } else if (event is ExerciseLogDelete) {
         yield ExerciseLogLoading();
-        exerciseRepository.exerciseList.remove(event.exercise);
+        exerciseRepository.exerciseList!.remove(event.exercise);
         await exerciseRepository.deleteExercise(event.exercise);
         Track().track(TrackingEvent.exercise_log_delete);
         yield ExerciseLogReady();

lib/bloc/exercise_log/exercise_log_event.dart

@@ -14,7 +14,7 @@ class ExerciseLogLoad extends ExerciseLogEvent {
 
 class ExerciseLogDelete extends ExerciseLogEvent {
   final Exercise exercise;
-  const ExerciseLogDelete({this.exercise});
+  const ExerciseLogDelete({required this.exercise});
 
   @override
   List<Object> get props => [exercise];

lib/bloc/exercise_log/exercise_log_state.dart

@@ -22,9 +22,8 @@ class ExerciseLogReady extends ExerciseLogState {
 
 class ExerciseLogError extends ExerciseLogState {
   final String message;
-  const ExerciseLogError({this.message});
-
+  const ExerciseLogError({required this.message});
 
   @override
   List<Object> get props => [message];
-}
+}