wt1.1.2e NumberPicker

lib/bloc/exercise_log/exercise_log_bloc.dart

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+import 'dart:async';
+import 'package:aitrainer_app/model/exercise.dart';
+import 'package:aitrainer_app/repository/exercise_repository.dart';
+import 'package:bloc/bloc.dart';
+import 'package:equatable/equatable.dart';
+import 'package:meta/meta.dart';
+
+part 'exercise_log_event.dart';
+
+part 'exercise_log_state.dart';
+
+class ExerciseLogBloc extends Bloc<ExerciseLogEvent, ExerciseLogState> {
+  final ExerciseRepository exerciseRepository;
+  @override
+  ExerciseLogBloc({this.exerciseRepository}) : super(ExerciseLogInitial());
+
+
+  @override
+  Stream<ExerciseLogState> mapEventToState(ExerciseLogEvent event) async* {
+    try {
+      if (event is ExerciseLogLoad) {
+        yield ExerciseLogLoading();
+        yield ExerciseLogReady();
+      } else if ( event is ExerciseLogDelete ) {
+        yield ExerciseLogLoading();
+        exerciseRepository.exerciseList.remove(event.exercise);
+        await exerciseRepository.deleteExercise(event.exercise);
+        yield ExerciseLogReady();
+      }
+    } on Exception catch (e) {
+      yield ExerciseLogError(message: e.toString());
+    }
+  }
+}

lib/bloc/exercise_log/exercise_log_event.dart

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+part of 'exercise_log_bloc.dart';
+
+@immutable
+abstract class ExerciseLogEvent extends Equatable {
+  const ExerciseLogEvent();
+
+  @override
+  List<Object> get props => [];
+}
+
+class ExerciseLogLoad extends ExerciseLogEvent {
+  const ExerciseLogLoad();
+}
+
+class ExerciseLogDelete extends ExerciseLogEvent {
+  final Exercise exercise;
+  const ExerciseLogDelete({this.exercise});
+
+  @override
+  List<Object> get props => [exercise];
+
+}

lib/bloc/exercise_log/exercise_log_state.dart

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+part of 'exercise_log_bloc.dart';
+
+@immutable
+abstract class ExerciseLogState extends Equatable {
+  const ExerciseLogState();
+
+  @override
+  List<Object> get props => [];
+}
+
+class ExerciseLogInitial extends ExerciseLogState {
+  const ExerciseLogInitial();
+}
+
+class ExerciseLogLoading extends ExerciseLogState {
+  const ExerciseLogLoading();
+}
+
+class ExerciseLogReady extends ExerciseLogState {
+  const ExerciseLogReady();
+}
+
+class ExerciseLogError extends ExerciseLogState {
+  final String message;
+  const ExerciseLogError({this.message});
+
+
+  @override
+  List<Object> get props => [message];
+}