refactor(bloc): replace latest national statistic bloc with cubit

app/pico/lib/app.dart

@@ -23,10 +23,7 @@ class App extends StatelessWidget {
             create: (context) => LatestStatisticCubit(),
           ),
           BlocProvider(
-            create: (context) => LatestNationalStatisticBloc()
-              ..add(
-                LatestNationalStatisticEvent.load(),
-              ),
+            create: (context) => LatestNationalStatisticCubit()..fetch(),
           ),
           BlocProvider(
             create: (context) => LatestCovidTestBloc(),

features/statistic/lib/src/presentation/blocs/blocs.dart

@@ -1,2 +1 @@
 export 'latest_covid_test/latest_covid_test_bloc.dart';
-export 'latest_national_statistic/latest_national_statistic_bloc.dart';

features/statistic/lib/src/presentation/cubits/cubits.dart

@@ -1,5 +1,6 @@
 export 'all_national_statistics/all_national_statistics_cubit.dart';
 export 'all_statistic_filter/all_statistic_filter_cubit.dart';
 export 'all_statistics/all_statistics_cubit.dart';
+export 'latest_national_statistic/latest_national_statistic_cubit.dart';
 export 'latest_statistic/latest_statistic_cubit.dart';
 export 'line_chart_filter/line_chart_filter_cubit.dart';

features/statistic/lib/src/presentation/cubits/latest_national_statistic/latest_national_statistic_cubit.dart

@@ -0,0 +1,25 @@
+import 'package:core/core.dart';
+import 'package:dependencies/dependencies.dart';
+import 'package:statistic/src/domain/usecases/get_latest_national_statistic.dart';
+import 'package:statistic/statistic.dart';
+
+part 'latest_national_statistic_state.dart';
+part 'latest_national_statistic_cubit.freezed.dart';
+
+class LatestNationalStatisticCubit extends Cubit<LatestNationalStatisticState> {
+  LatestNationalStatisticCubit()
+      : super(
+          LatestNationalStatisticState.initial(),
+        );
+
+  final _usecase = getIt<GetLatestNationalStatistic>();
+
+  Future<void> fetch() async {
+    emit(LatestNationalStatisticState.loading());
+    final result = await _usecase.call(NoParams());
+    result.fold(
+      (l) => emit(LatestNationalStatisticState.failed(failure: l)),
+      (r) => emit(LatestNationalStatisticState.loaded(data: r)),
+    );
+  }
+}

features/statistic/lib/src/presentation/blocs/latest_national_statistic/latest_national_statistic_state.dart → features/statistic/lib/src/presentation/cubits/latest_national_statistic/latest_national_statistic_state.dart

@@ -1,4 +1,4 @@
-part of 'latest_national_statistic_bloc.dart';
+part of 'latest_national_statistic_cubit.dart';
 
 @freezed
 abstract class LatestNationalStatisticState
@@ -7,8 +7,9 @@ abstract class LatestNationalStatisticState
       LatestNationalStatisticInitialState;
   factory LatestNationalStatisticState.loading() =
       LatestNationalStatisticLoadingState;
-  factory LatestNationalStatisticState.failed({required Failure failure}) =
-      LatestNationalStatisticFailedState;
+  factory LatestNationalStatisticState.failed({
+    required Failure failure,
+  }) = LatestNationalStatisticFailedState;
   factory LatestNationalStatisticState.loaded({
     required Statistic data,
   }) = LatestNationalStatisticLoadedState;

features/statistic/lib/src/presentation/pages/national_statistic_page.dart

@@ -34,18 +34,14 @@ class _NationalStatisticPageState extends State<NationalStatisticPage> {
   void _onLoading() {
     _refreshCount = 1;
     _errorCount = 0;
-    context.read<LatestNationalStatisticBloc>().add(
-          LatestNationalStatisticEvent.load(),
-        );
+    context.read<LatestNationalStatisticCubit>().fetch();
   }
 
   void _onRefresh() {
     _refreshCount = 1;
     _errorCount = 0;
     _refreshController.requestRefresh();
-    context.read<LatestNationalStatisticBloc>().add(
-          LatestNationalStatisticEvent.load(),
-        );
+    context.read<LatestNationalStatisticCubit>().fetch();
   }
 
   void _onBlocRefreshCompleted() {
@@ -77,7 +73,7 @@ class _NationalStatisticPageState extends State<NationalStatisticPage> {
     return Scaffold(
       body: MultiBlocListener(
         listeners: [
-          BlocListener<LatestNationalStatisticBloc,
+          BlocListener<LatestNationalStatisticCubit,
               LatestNationalStatisticState>(
             listener: (context, state) {
               if (state is LatestNationalStatisticLoadedState) {
@@ -96,7 +92,7 @@ class _NationalStatisticPageState extends State<NationalStatisticPage> {
               surfaceTintColor: context.picoColors.background.neutral.main,
               shadowColor:
                   context.picoColors.text.neutral.main.withOpacity(0.1),
-              title: BlocBuilder<LatestNationalStatisticBloc,
+              title: BlocBuilder<LatestNationalStatisticCubit,
                   LatestNationalStatisticState>(
                 builder: (context, state) => AnimatedSwitcher(
                   duration: 300.milliseconds,

features/statistic/lib/src/presentation/widgets/national_statistic_summary_section.dart

@@ -3,15 +3,15 @@ import 'package:dependencies/dependencies.dart';
 import 'package:flutter/material.dart';
 import 'package:i10n/i10n.dart';
 import 'package:pico_ui_kit/pico_ui_kit.dart';
-import 'package:statistic/src/presentation/blocs/blocs.dart';
 import 'package:statistic/src/presentation/widgets/statistic_data_list.dart';
+import 'package:statistic/statistic.dart';
 
 class NationalStatisticSummarySection extends StatelessWidget {
   const NationalStatisticSummarySection({super.key});
 
   @override
   Widget build(BuildContext context) =>
-      BlocBuilder<LatestNationalStatisticBloc, LatestNationalStatisticState>(
+      BlocBuilder<LatestNationalStatisticCubit, LatestNationalStatisticState>(
         builder: (context, state) => AnimatedSwitcher(
           duration: 300.milliseconds,
           child: switch (state) {
@@ -23,9 +23,8 @@ class NationalStatisticSummarySection extends StatelessWidget {
               ),
             LatestNationalStatisticFailedState() => PicoErrorPlaceholder(
                 label: context.i10n.error.statistic,
-                onRetry: () => context.read<LatestNationalStatisticBloc>().add(
-                      LatestNationalStatisticEvent.load(),
-                    ),
+                onRetry: () =>
+                    context.read<LatestNationalStatisticCubit>().fetch(),
               ),
             _ => StatisticDataList(
                 key: const Key('statistic-loading'),

features/statistic/test/src/presentation/blocs/latest_national_statistic/latest_national_statistic_bloc_test.dart → features/statistic/test/src/presentation/cubits/latest_national_statistic/latest_national_statistic_cubit_test.dart

@@ -40,33 +40,33 @@ void main() {
   group(
     'LatestNationalStatisticBloc',
     () {
-      blocTest<LatestNationalStatisticBloc, LatestNationalStatisticState>(
+      blocTest<LatestNationalStatisticCubit, LatestNationalStatisticState>(
         'should emit nothing when initialize',
-        build: LatestNationalStatisticBloc.new,
+        build: LatestNationalStatisticCubit.new,
         expect: () => <LatestNationalStatisticState>[],
       );
 
-      blocTest<LatestNationalStatisticBloc, LatestNationalStatisticState>(
+      blocTest<LatestNationalStatisticCubit, LatestNationalStatisticState>(
         'should emit [Loading,Loaded] states when success',
-        build: LatestNationalStatisticBloc.new,
+        build: LatestNationalStatisticCubit.new,
         setUp: () => when(() => mockUseCase.call(NoParams())).thenAnswer(
           (_) async => Right(data),
         ),
-        act: (bloc) => bloc.add(LatestNationalStatisticEvent.load()),
+        act: (cubit) => cubit.fetch(),
         expect: () => <LatestNationalStatisticState>[
           LatestNationalStatisticState.loading(),
           LatestNationalStatisticState.loaded(data: data),
         ],
         verify: (_) => verify(() => mockUseCase.call(NoParams())),
       );
 
-      blocTest<LatestNationalStatisticBloc, LatestNationalStatisticState>(
+      blocTest<LatestNationalStatisticCubit, LatestNationalStatisticState>(
         'should emit [Loading,Failed] states when failed',
-        build: LatestNationalStatisticBloc.new,
+        build: LatestNationalStatisticCubit.new,
         setUp: () => when(() => mockUseCase.call(NoParams())).thenAnswer(
           (_) async => const Left(StatisticFailure(message: errorMessage)),
         ),
-        act: (bloc) => bloc.add(LatestNationalStatisticEvent.load()),
+        act: (cubit) => cubit.fetch(),
         expect: () => <LatestNationalStatisticState>[
           LatestNationalStatisticState.loading(),
           LatestNationalStatisticState.failed(