Putting everything together, missing tests

lib/main.dart

@@ -2,13 +2,12 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:provider/provider.dart';
 
-// import 'src/database/hive_database.dart';
 import 'src/features/features.dart';
 import 'src/repositories/hive_repository.dart';
 
 Future<void> main() async {
-  // await HiveDatabase.instance.initDatabase();
-  final HiveRepository repository = HiveRepository()..initDatabase();
+  final HiveRepository repository = HiveRepository();
+  await repository.initDatabase();
   runApp(
     MultiProvider(
       providers: [

lib/src/entities/classe/classe.dart

@@ -4,7 +4,7 @@ import 'package:hive/hive.dart';
 import '../../repositories/hive_repository.dart';
 
 part 'metadado.dart';
-// part 'classe.g.dart';
+part 'classe.g.dart';
 
 // Todo: RUN BUILD_RUNNER
 
@@ -15,12 +15,22 @@ class Classe with HiveObject {
     @required this.code,
     @required this.parentId,
     @required this.metadados,
+    @required this.referenceCode,
   }) : children = HiveList<Classe>(HiveRepository.classesBox);
 
   factory Classe.root() => Classe(
         name: '',
         code: '',
         parentId: -1,
+        referenceCode: '',
+        metadados: <Metadado>[],
+      );
+
+  factory Classe.fromParent(int parentId) => Classe(
+        name: '',
+        code: '',
+        parentId: parentId,
+        referenceCode: '',
         metadados: <Metadado>[],
       );
 
@@ -37,18 +47,24 @@ class Classe with HiveObject {
   String code;
 
   @HiveField(4)
-  List<Metadado> metadados;
+  String referenceCode;
 
   @HiveField(5)
+  List<Metadado> metadados;
+
+  @HiveField(6)
   HiveList<Classe> children;
 
+  bool get hasChildren => children.isNotEmpty;
+
   @override
   String toString() {
     final String metadadosStr = metadados.map((m) => m.toCsv()).join('');
     return 'id ➜ { $id } '
         'parentId ➜ { $parentId } '
         'Nome ➜ { $name } '
-        'Código ➜ { $code }'
+        'Código ➜ { $code } '
+        'Código de Referência ➜ { $referenceCode }'
         '\n $metadadosStr';
   }
 }

lib/src/entities/classe/metadado.dart

@@ -29,7 +29,7 @@ class Metadado {
 
   String get label => type.asString();
 
-  String toCsv() => '$label: $content\n\n';
+  String toCsv() => '$label: $content';
 }
 
 extension MetadadosX on Metadados {

lib/src/features/app/misc/app_routes.dart

@@ -4,6 +4,9 @@ import '../../../entities/entities.dart';
 import '../../features.dart';
 
 abstract class ElPCDRouter {
+  static const home = HomeView.routeName;
+  static const compose = ComposeView.routeName;
+
   static MaterialPageRoute onGenerateRoute(RouteSettings settings) {
     switch (settings.name) {
       case ComposeView.routeName:

lib/src/features/app/view/app_view.dart

@@ -1,26 +1,24 @@
 import 'package:flutter/material.dart';
-import 'package:hive_flutter/hive_flutter.dart';
+import 'package:provider/provider.dart';
 
-import '../../../database/hive_database.dart';
+import '../../../repositories/hive_repository.dart';
 import '../../features.dart';
 import '../misc/app_theme.dart';
 
 class ElPCDApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
+    final _repository = context.watch<HiveRepository>();
     return ValueListenableBuilder(
-      valueListenable: HiveDatabase.settingsBox.listenable(keys: ['darkMode']),
-      builder: (_, settingsBox, __) {
-        final darkMode =
-            settingsBox.get('darkMode', defaultValue: true) as bool;
+      valueListenable: _repository.listenToSettings(keys: ['darkMode']),
+      builder: (_, __, ___) {
         return MaterialApp(
           title: 'ElPCD',
           debugShowCheckedModeBanner: false,
-          themeMode: darkMode ? ThemeMode.dark : ThemeMode.light,
-          theme: AppTheme.themeData(darkMode: darkMode),
-          // initialRoute: HomeView.routeName,
-          initialRoute: ComposeView.routeName,
-          // onGenerateRoute: ElPCDRouter.onGenerateRoute,
+          themeMode: _repository.isDarkMode ? ThemeMode.dark : ThemeMode.light,
+          theme: AppTheme.themeData(darkMode: _repository.isDarkMode),
+          initialRoute: HomeView.routeName,
+          onGenerateRoute: ElPCDRouter.onGenerateRoute,
           routes: {
             HomeView.routeName: (_) => HomeView(),
             ComposeView.routeName: (_) => const ComposeView(classe: null),

lib/src/features/compose/bloc/compose_bloc.dart

@@ -13,6 +13,8 @@ class ComposeBloc extends Bloc<ComposeEvent, ComposeState> {
 
   final HiveRepository _repository;
 
+  //! BLOC exiting with null error
+
   @override
   Stream<ComposeState> mapEventToState(ComposeEvent event) async* {
     if (event is ComposeStarted) {
@@ -53,6 +55,7 @@ class ComposeBloc extends Bloc<ComposeEvent, ComposeState> {
     final classe = state.classe
       ..name = state.name
       ..code = state.code
+      ..referenceCode = _repository.buildReferenceCode(state.classe)
       ..metadados = clearEmptyMetadados(state.metadados);
 
     state.isEditing

lib/src/features/compose/misc/form_metadados.dart

@@ -7,7 +7,7 @@ import '../../../entities/entities.dart';
 class FormMetadados extends ChangeNotifier {
   static const int max = 14;
 
-  List<Metadado> metadados = const [];
+  List<Metadado> metadados = <Metadado>[];
 
   bool get canAddMetadados => metadados.length < max;
 

lib/src/features/compose/view/compose_view.dart

@@ -36,7 +36,12 @@ class ComposeView extends StatelessWidget {
           }
         },
         buildWhen: (p, c) => p.isSaving != c.isSaving,
-        builder: (_, state) => _ComposeViewScaffold(isSaving: state.isSaving),
+        builder: (_, state) {
+          return ChangeNotifierProvider(
+            create: (_) => FormMetadados(),
+            child: _ComposeViewScaffold(isSaving: state.isSaving),
+          );
+        },
       ),
     );
   }
@@ -52,42 +57,49 @@ class _ComposeViewScaffold extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider(
-      create: (_) => FormMetadados(),
-      child: Scaffold(
-        appBar: AppBar(
-          title: BlocBuilder<ComposeBloc, ComposeState>(
-            buildWhen: (p, c) => p.isEditing != c.isEditing,
-            builder: (_, state) {
-              return Text(state.isEditing ? 'Editando Classe' : 'Nova Classe');
-            },
-          ),
-          actions: [
-            IconButton(
-              tooltip: 'Salvar',
-              icon: const Icon(Icons.check),
-              onPressed: () => context.read<ComposeBloc>().add(SavePressed(
-                  metadados: context.read<FormMetadados>().metadados)),
-            )
-          ],
+    return Scaffold(
+      appBar: AppBar(
+        title: BlocBuilder<ComposeBloc, ComposeState>(
+          buildWhen: (p, c) => p.isEditing != c.isEditing,
+          builder: (_, state) {
+            return Text(state.isEditing ? 'Editando Classe' : 'Nova Classe');
+          },
         ),
-        body: Form(
-          autovalidateMode: AutovalidateMode.onUserInteraction,
-          child: IgnorePointer(
-            ignoring: isSaving,
-            child: Scrollbar(
-              radius: const Radius.circular(8),
-              child: CustomScrollView(
-                slivers: [
-                  if (isSaving) const LinearProgressIndicator(),
-                  SliverToBoxAdapter(child: RequiredFields()),
-                  SliverToBoxAdapter(child: MetadadosList()),
-                  SliverToBoxAdapter(child: AddMetadados()),
-                ],
+        actions: [
+          IconButton(
+            tooltip: 'Salvar',
+            icon: const Icon(Icons.check),
+            onPressed: () => context.read<ComposeBloc>().add(SavePressed(
+                metadados: context.read<FormMetadados>().metadados)),
+          )
+        ],
+      ),
+      body: BlocBuilder<ComposeBloc, ComposeState>(
+        builder: (_, state) {
+          return Form(
+            autovalidateMode:
+                state.successOrFailure == ComposeSuccessOrFailure.none
+                    ? AutovalidateMode.always
+                    : AutovalidateMode.disabled,
+            child: IgnorePointer(
+              ignoring: isSaving,
+              child: Scrollbar(
+                radius: const Radius.circular(8),
+                child: CustomScrollView(
+                  slivers: [
+                    if (isSaving)
+                      const SliverToBoxAdapter(
+                        child: LinearProgressIndicator(),
+                      ),
+                    SliverToBoxAdapter(child: RequiredFields()),
+                    SliverToBoxAdapter(child: MetadadosList()),
+                    SliverToBoxAdapter(child: AddMetadados()),
+                  ],
+                ),
               ),
             ),
-          ),
-        ),
+          );
+        },
       ),
     );
   }