Made GradeAverage persistent

lib/storage/base/settings.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:json_annotation/json_annotation.dart';
 
+import '../gradeAverages/gradeAveragesSettings.dart';
+
 part 'settings.g.dart';
 
 @JsonSerializable(explicitToJson: true)
@@ -12,7 +14,13 @@ class Settings {
   ThemeMode appTheme;
   bool devToolsEnabled;
 
-  Settings(this.appTheme, this.devToolsEnabled);
+  GradeAveragesSettings gradeAveragesSettings;
+
+  Settings({
+    required this.appTheme,
+    required this.devToolsEnabled,
+    required this.gradeAveragesSettings
+  });
 
   static String _themeToJson(ThemeMode m) => m.name;
   static ThemeMode _themeFromJson(String m) => ThemeMode.values.firstWhere((element) => element.name == m);

lib/storage/base/settings.g.dart

@@ -7,11 +7,14 @@ part of 'settings.dart';
 // **************************************************************************
 
 Settings _$SettingsFromJson(Map<String, dynamic> json) => Settings(
-      Settings._themeFromJson(json['appTheme'] as String),
-      json['devToolsEnabled'] as bool,
+      appTheme: Settings._themeFromJson(json['appTheme'] as String),
+      devToolsEnabled: json['devToolsEnabled'] as bool,
+      gradeAveragesSettings: GradeAveragesSettings.fromJson(
+          json['gradeAveragesSettings'] as Map<String, dynamic>),
     );
 
 Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
       'appTheme': Settings._themeToJson(instance.appTheme),
       'devToolsEnabled': instance.devToolsEnabled,
+      'gradeAveragesSettings': instance.gradeAveragesSettings.toJson(),
     };

lib/storage/base/settingsProvider.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'dart:developer';
 import 'package:flutter/material.dart';
+import 'package:marianum_mobile/storage/gradeAverages/gradeAveragesSettings.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import 'settings.dart';
@@ -42,8 +43,12 @@ class SettingsProvider extends ChangeNotifier {
 
   Settings _defaults() {
     return Settings(
-      ThemeMode.system,
-      false,
+      appTheme: ThemeMode.system,
+      devToolsEnabled: false,
+      gradeAveragesSettings: GradeAveragesSettings(
+        useGradeSystem: true,
+        inputs: []
+      ),
     );
   }
 }

lib/storage/gradeAverages/gradeAveragesSettings.dart

@@ -0,0 +1,15 @@
+
+import 'package:json_annotation/json_annotation.dart';
+
+part 'gradeAveragesSettings.g.dart';
+
+@JsonSerializable()
+class GradeAveragesSettings {
+  bool useGradeSystem;
+  List<int> inputs;
+
+  GradeAveragesSettings({required this.useGradeSystem, required this.inputs});
+
+  factory GradeAveragesSettings.fromJson(Map<String, dynamic> json) => _$GradeAveragesSettingsFromJson(json);
+  Map<String, dynamic> toJson() => _$GradeAveragesSettingsToJson(this);
+}

lib/storage/gradeAverages/gradeAveragesSettings.g.dart

@@ -0,0 +1,21 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'gradeAveragesSettings.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GradeAveragesSettings _$GradeAveragesSettingsFromJson(
+        Map<String, dynamic> json) =>
+    GradeAveragesSettings(
+      useGradeSystem: json['useGradeSystem'] as bool,
+      inputs: (json['inputs'] as List<dynamic>).map((e) => e as int).toList(),
+    );
+
+Map<String, dynamic> _$GradeAveragesSettingsToJson(
+        GradeAveragesSettings instance) =>
+    <String, dynamic>{
+      'useGradeSystem': instance.useGradeSystem,
+      'inputs': instance.inputs,
+    };