more refactor

lib/settings/models/preferences.dart

@@ -0,0 +1,57 @@
+import 'package:change_case/change_case.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../theme/theme.dart';
+
+part 'preferences.freezed.dart';
+part 'preferences.g.dart';
+
+// Lock preference changes how frequently the messenger locks its
+// interface and requires the identitySecretKey to be entered (pin/password/etc)
+@freezed
+class LockPreference with _$LockPreference {
+  const factory LockPreference({
+    required int inactivityLockSecs,
+    required bool lockWhenSwitching,
+    required bool lockWithSystemLock,
+  }) = _LockPreference;
+
+  factory LockPreference.fromJson(dynamic json) =>
+      _$LockPreferenceFromJson(json as Map<String, dynamic>);
+
+  static const LockPreference defaults = LockPreference(
+    inactivityLockSecs: 0,
+    lockWhenSwitching: false,
+    lockWithSystemLock: false,
+  );
+}
+
+// Theme supports multiple translations
+enum LanguagePreference {
+  englishUS;
+
+  factory LanguagePreference.fromJson(dynamic j) =>
+      LanguagePreference.values.byName((j as String).toCamelCase());
+  String toJson() => name.toPascalCase();
+
+  static const LanguagePreference defaults = LanguagePreference.englishUS;
+}
+
+// Preferences are stored in a table locally and globally affect all
+// accounts imported/added and the app in general
+@freezed
+class Preferences with _$Preferences {
+  const factory Preferences({
+    required ThemePreferences themePreferences,
+    required LanguagePreference language,
+    required LockPreference locking,
+  }) = _Preferences;
+
+  factory Preferences.fromJson(dynamic json) =>
+      _$PreferencesFromJson(json as Map<String, dynamic>);
+
+  static const Preferences defaults = Preferences(
+      themePreferences: ThemePreferences.defaults,
+      language: LanguagePreference.defaults,
+      locking: LockPreference.defaults);
+}