Refactor: Migra QuizStartPage de dialog para página

lib/app/features/quiz/presentation/quiz_start/quiz_start_controller.dart

@@ -1,12 +1,23 @@
 import 'package:dartz/dartz.dart';
 import 'package:flutter_modular/flutter_modular.dart';
+import 'package:mobx/mobx.dart';
 
 import '../../../../core/error/failures.dart';
+import '../../../../core/extension/mobx.dart';
 import '../../../appstate/domain/entities/app_state_entity.dart';
+import '../../../authentication/presentation/shared/map_failure_message.dart';
+import '../../../authentication/presentation/shared/page_progress_indicator.dart';
 import '../../domain/start_quiz.dart';
+import 'quiz_start_state.dart';
 
-class QuizStartController {
-  QuizStartController({
+part 'quiz_start_controller.g.dart';
+
+typedef QuizSessionResult = Either<Failure, QuizSessionEntity>;
+
+class QuizStartController = _QuizStartControllerBase with _$QuizStartController;
+
+abstract class _QuizStartControllerBase with Store, MapFailureMessage {
+  _QuizStartControllerBase({
     required String? sessionId,
     required StartQuizUseCase startQuiz,
   })  : _sessionId = sessionId,
@@ -15,14 +26,27 @@ class QuizStartController {
   final String? _sessionId;
   final StartQuizUseCase _startQuiz;
 
-  Future<void> start() async {
-    final result = await _startQuiz(_sessionId);
+  @observable
+  QuizStartState state = const QuizStartState.initial();
+
+  @computed
+  PageProgressState get progressState => _pageProgress.state;
+
+  @observable
+  ObservableFuture<QuizSessionResult>? _pageProgress;
+
+  void load() async {
+    if (progressState == PageProgressState.loading) return;
+
+    _pageProgress = ObservableFuture(_startQuiz(_sessionId));
+    final result = await _pageProgress!;
 
     result.fold(_handleFailure, _handleSuccess);
   }
 
   void _handleFailure(Failure failure) {
-    Modular.to.pop(left(failure));
+    final message = mapFailureMessage(failure);
+    state = QuizStartState.error(message);
   }
 
   void _handleSuccess(QuizSessionEntity session) {

lib/app/features/quiz/presentation/quiz_start/quiz_start_page.dart

@@ -1,26 +1,67 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_modular/flutter_modular.dart';
+import 'package:flutter_mobx/flutter_mobx.dart';
 
+import '../../../../shared/design_system/colors.dart';
 import '../../../authentication/presentation/shared/page_progress_indicator.dart';
+import '../../../support_center/presentation/pages/support_center_general_error.dart';
 import 'quiz_start_controller.dart';
 
 class QuizStartPage extends StatefulWidget {
-  const QuizStartPage({Key? key}) : super(key: key);
+  const QuizStartPage({
+    Key? key,
+    required this.controller,
+  }) : super(key: key);
+
+  final QuizStartController controller;
 
   @override
   State<QuizStartPage> createState() => _QuizStartPageState();
 }
 
-class _QuizStartPageState
-    extends ModularState<QuizStartPage, QuizStartController> {
+class _QuizStartPageState extends State<QuizStartPage> {
+  _QuizStartPageState();
+
+  QuizStartController get controller => widget.controller;
+
   @override
-  Widget build(BuildContext context) {
-    controller.start();
+  void initState() {
+    super.initState();
+    controller.load();
+  }
 
-    return const PageProgressIndicator(
-      progressMessage: 'Carregando...',
-      progressState: PageProgressState.loading,
-      child: SizedBox.shrink(),
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: Colors.white,
+      appBar: AppBar(
+        elevation: 0.0,
+        backgroundColor: DesignSystemColors.ligthPurple,
+        centerTitle: true,
+        title: const SizedBox(
+          width: 39,
+          height: 18,
+          child: Image(
+            image: AssetImage(
+              'assets/images/penhas_symbol/penhas_symbol.png',
+            ),
+          ),
+        ),
+      ),
+      body: SafeArea(
+        child: Observer(
+          builder: (_) => PageProgressIndicator(
+            progressMessage: 'Carregando...',
+            progressState: controller.progressState,
+            child: controller.state.when(
+              initial: () => const SizedBox.shrink(),
+              error: (message) => SupportCenterGeneralError(
+                message: message,
+                onPressed: controller.load,
+              ),
+            ),
+          ),
+        ),
+      ),
     );
   }
 }

lib/app/features/quiz/presentation/quiz_start/quiz_start_state.dart

@@ -0,0 +1,10 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'quiz_start_state.freezed.dart';
+
+@freezed
+class QuizStartState with _$QuizStartState {
+  const factory QuizStartState.initial() = _InitialState;
+
+  const factory QuizStartState.error(String message) = _ErrorState;
+}