Refactor/exams page

uni/lib/view/exams/widgets/exam_filter_form.dart

@@ -1,19 +1,18 @@
+import 'dart:collection';
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 import 'package:uni/generated/l10n.dart';
 import 'package:uni/model/entities/exam.dart';
-import 'package:uni/model/providers/lazy/exam_provider.dart';
 
-class ExamFilterForm extends StatefulWidget {
-  const ExamFilterForm(this.filteredExamsTypes, {super.key});
+class ExamFilterForm extends StatelessWidget {
+  const ExamFilterForm(
+    this.filteredExamsTypes,
+    this.setExamsTypesCallback, {
+    super.key,
+  });
 
   final Map<String, bool> filteredExamsTypes;
+  final void Function(Map<String, bool>) setExamsTypesCallback;
 
-  @override
-  ExamFilterFormState createState() => ExamFilterFormState();
-}
-
-class ExamFilterFormState extends State<ExamFilterForm> {
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
@@ -29,28 +28,34 @@ class ExamFilterFormState extends State<ExamFilterForm> {
           ),
           onPressed: () => Navigator.pop(context),
         ),
-        ElevatedButton(
-          child: Text(S.of(context).confirm),
-          onPressed: () {
-            Provider.of<ExamProvider>(context, listen: false)
-                .setFilteredExams(widget.filteredExamsTypes);
-            Navigator.pop(context);
-          },
-        ),
       ],
       content: SizedBox(
         height: 230,
         width: 200,
-        child: getExamCheckboxes(widget.filteredExamsTypes, context),
+        child: FilteredExamList(
+          UnmodifiableMapView(
+            Map<String, bool>.from(filteredExamsTypes)
+              ..removeWhere((key, value) => !Exam.types.containsKey(key)),
+          ),
+          setExamsTypesCallback,
+        ),
       ),
     );
   }
+}
+
+class FilteredExamList extends StatelessWidget {
+  const FilteredExamList(
+    this.filteredExams,
+    this.changeFilteredExamList, {
+    super.key,
+  });
 
-  Widget getExamCheckboxes(
-    Map<String, bool> filteredExams,
-    BuildContext context,
-  ) {
-    filteredExams.removeWhere((key, value) => !Exam.types.containsKey(key));
+  final UnmodifiableMapView<String, bool> filteredExams;
+  final void Function(Map<String, bool>) changeFilteredExamList;
+
+  @override
+  Widget build(BuildContext context) {
     return ListView(
       children: List.generate(filteredExams.length, (i) {
         final key = filteredExams.keys.elementAt(i);
@@ -66,9 +71,9 @@ class ExamFilterFormState extends State<ExamFilterForm> {
           key: Key('ExamCheck$key'),
           value: filteredExams[key],
           onChanged: (value) {
-            setState(() {
-              filteredExams[key] = value!;
-            });
+            final newFilteredExams = Map<String, bool>.from(filteredExams);
+            newFilteredExams[key] = value!;
+            changeFilteredExamList(newFilteredExams);
           },
         );
       }),

uni/lib/view/exams/widgets/exam_filter_menu.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 import 'package:uni/model/providers/lazy/exam_provider.dart';
 import 'package:uni/view/exams/widgets/exam_filter_form.dart';
+import 'package:uni/view/lazy_consumer.dart';
 
 class ExamFilterMenu extends StatefulWidget {
   const ExamFilterMenu({super.key});
@@ -19,14 +19,14 @@ class ExamFilterMenuState extends State<ExamFilterMenu> {
         showDialog<void>(
           context: context,
           builder: (_) {
-            final examProvider =
-                Provider.of<ExamProvider>(context, listen: false);
-            final filteredExamsTypes = examProvider.filteredExamsTypes;
-            return ChangeNotifierProvider.value(
-              value: examProvider,
-              child: ExamFilterForm(
-                Map<String, bool>.from(filteredExamsTypes),
-              ),
+            return LazyConsumer<ExamProvider>(
+              builder: (context, examProvider) {
+                return ExamFilterForm(
+                    Map<String, bool>.from(examProvider.filteredExamsTypes),
+                    (newFilteredExams) {
+                  examProvider.setFilteredExams(newFilteredExams);
+                });
+              },
             );
           },
         );

uni/test/integration/src/exams_page_test.dart

@@ -157,11 +157,6 @@ void main() {
       await tester.tap(find.byWidget(mtCheckboxTile));
       await tester.pumpAndSettle();
 
-      final okButton = find.widgetWithText(ElevatedButton, 'Confirmar');
-      expect(okButton, findsOneWidget);
-
-      await tester.tap(okButton);
-
       await tester.pumpAndSettle();
 
       expect(find.byKey(Key('$sdisExam-exam')), findsNothing);