From b40045a7b29d5bc00d8814743b99a57610e5af78 Mon Sep 17 00:00:00 2001
From: thePeras <jtopereira@gmail.com>
Date: Wed, 9 Oct 2024 22:20:42 +0100
Subject: [PATCH] Save ucs page semester and school year dropdown values on
 preferences

---
 .../local_storage/preferences_controller.dart | 24 +++++++++++++++++++
 .../lib/view/course_units/course_units.dart   |  7 ++++--
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/packages/uni_app/lib/controller/local_storage/preferences_controller.dart b/packages/uni_app/lib/controller/local_storage/preferences_controller.dart
index 5c54bcef2..585f6d49c 100644
--- a/packages/uni_app/lib/controller/local_storage/preferences_controller.dart
+++ b/packages/uni_app/lib/controller/local_storage/preferences_controller.dart
@@ -39,6 +39,8 @@ class PreferencesController {
   static const String _favoriteRestaurants = 'favorite_restaurants';
   static const String _filteredExamsTypes = 'filtered_exam_types';
   static final List<String> _defaultFilteredExamTypes = Exam.displayedTypes;
+  static const String _semesterValue = 'semester_value';
+  static const String _schoolYearValue = 'school_year_value';
 
   static final _statsToggleStreamController =
       StreamController<bool>.broadcast();
@@ -261,4 +263,26 @@ class PreferencesController {
     await prefs.setBool(_usageStatsToggleKey, value);
     _statsToggleStreamController.add(value);
   }
+
+  static Future<void> setSemesterValue(String? value) async {
+    await prefs.setString(_semesterValue, value ?? '');
+    if (value == null) {
+      await prefs.remove(_semesterValue);
+    }
+  }
+
+  static String? getSemesterValue() {
+    return prefs.getString(_semesterValue);
+  }
+
+  static Future<void> setSchoolYearValue(String? value) async {
+    await prefs.setString(_schoolYearValue, value ?? '');
+    if (value == null) {
+      await prefs.remove(_schoolYearValue);
+    }
+  }
+
+  static String? getSchoolYearValue() {
+    return prefs.getString(_schoolYearValue);
+  }
 }
diff --git a/packages/uni_app/lib/view/course_units/course_units.dart b/packages/uni_app/lib/view/course_units/course_units.dart
index 4ab198253..ee2bb0418 100644
--- a/packages/uni_app/lib/view/course_units/course_units.dart
+++ b/packages/uni_app/lib/view/course_units/course_units.dart
@@ -1,6 +1,7 @@
 import 'package:collection/collection.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:uni/controller/local_storage/preferences_controller.dart';
 import 'package:uni/generated/l10n.dart';
 import 'package:uni/model/entities/course_units/course_unit.dart';
 import 'package:uni/model/entities/profile.dart';
@@ -23,8 +24,8 @@ class CourseUnitsPageView extends StatefulWidget {
 
 class CourseUnitsPageViewState
     extends SecondaryPageViewState<CourseUnitsPageView> {
-  String? selectedSchoolYear;
-  String? selectedSemester;
+  String? selectedSchoolYear = PreferencesController.getSchoolYearValue();
+  String? selectedSemester = PreferencesController.getSemesterValue();
 
   @override
   Widget? getHeader(BuildContext context) {
@@ -139,6 +140,7 @@ class CourseUnitsPageViewState
             icon: const Icon(Icons.arrow_drop_down),
             onChanged: (newValue) {
               setState(() => selectedSemester = newValue);
+              PreferencesController.setSemesterValue(newValue);
             },
             items: availableSemesters.map<DropdownMenuItem<String>>((value) {
               return DropdownMenuItem<String>(
@@ -156,6 +158,7 @@ class CourseUnitsPageViewState
             icon: const Icon(Icons.arrow_drop_down),
             onChanged: (newValue) {
               setState(() => selectedSchoolYear = newValue);
+              PreferencesController.setSchoolYearValue(newValue);
             },
             items: availableYears.map<DropdownMenuItem<String>>((value) {
               return DropdownMenuItem<String>(