refactor persist bool provider

app/lib/core/providers/persisted_bool.dart

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2024-2026 Fabian Freund.
+ *
+ * This file is part of WebLibre
+ * (see https://weblibre.eu).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+import 'dart:convert';
+
+import 'package:riverpod/experimental/persist.dart';
+import 'package:riverpod_annotation/experimental/persist.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/features/user/data/providers.dart';
+
+part 'persisted_bool.g.dart';
+
+enum PersistedBoolKey {
+  extensionsExpanded(key: 'ExtensionsExpanded', defaultValue: false),
+  searchSuggestionsExpanded(
+    key: 'SearchSuggestionsExpanded',
+    defaultValue: true,
+  ),
+  tabSuggestions(key: 'TabSuggestions', defaultValue: false);
+
+  const PersistedBoolKey({required this.key, required this.defaultValue});
+
+  final String key;
+  final bool defaultValue;
+}
+
+@Riverpod(keepAlive: true)
+class PersistedBool extends _$PersistedBool {
+  void toggle() => state = !state;
+
+  // ignore: use_setters_to_change_properties
+  void set(bool value) => state = value;
+
+  @override
+  bool build(PersistedBoolKey key) {
+    persist(
+      ref.watch(riverpodDatabaseStorageProvider),
+      key: key.key,
+      encode: (state) => jsonEncode([state]),
+      decode: (encoded) => (jsonDecode(encoded) as List<dynamic>).first as bool,
+    );
+
+    return stateOrNull ?? key.defaultValue;
+  }
+}

app/lib/core/providers/persisted_bool.g.dart

@@ -0,0 +1,107 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'persisted_bool.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(PersistedBool)
+final persistedBoolProvider = PersistedBoolFamily._();
+
+final class PersistedBoolProvider
+    extends $NotifierProvider<PersistedBool, bool> {
+  PersistedBoolProvider._({
+    required PersistedBoolFamily super.from,
+    required PersistedBoolKey super.argument,
+  }) : super(
+         retry: null,
+         name: r'persistedBoolProvider',
+         isAutoDispose: false,
+         dependencies: null,
+         $allTransitiveDependencies: null,
+       );
+
+  @override
+  String debugGetCreateSourceHash() => _$persistedBoolHash();
+
+  @override
+  String toString() {
+    return r'persistedBoolProvider'
+        ''
+        '($argument)';
+  }
+
+  @$internal
+  @override
+  PersistedBool create() => PersistedBool();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(bool value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<bool>(value),
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is PersistedBoolProvider && other.argument == argument;
+  }
+
+  @override
+  int get hashCode {
+    return argument.hashCode;
+  }
+}
+
+String _$persistedBoolHash() => r'97fd7ed82dfde444fddf4475a3982be00f5f197a';
+
+final class PersistedBoolFamily extends $Family
+    with
+        $ClassFamilyOverride<
+          PersistedBool,
+          bool,
+          bool,
+          bool,
+          PersistedBoolKey
+        > {
+  PersistedBoolFamily._()
+    : super(
+        retry: null,
+        name: r'persistedBoolProvider',
+        dependencies: null,
+        $allTransitiveDependencies: null,
+        isAutoDispose: false,
+      );
+
+  PersistedBoolProvider call(PersistedBoolKey key) =>
+      PersistedBoolProvider._(argument: key, from: this);
+
+  @override
+  String toString() => r'persistedBoolProvider';
+}
+
+abstract class _$PersistedBool extends $Notifier<bool> {
+  late final _$args = ref.$arg as PersistedBoolKey;
+  PersistedBoolKey get key => _$args;
+
+  bool build(PersistedBoolKey key);
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref = this.ref as $Ref<bool, bool>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<bool, bool>,
+              bool,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, () => build(_$args));
+  }
+}