feat: ability to change library (#77)

* feat: add AbsIcons font and update pubspec.yaml for font integration

* feat: implement library selection in YouPage

* fix: optimize authenticatedApi provider to not rebuild unnecessarily

* feat: add LibrarySwitchChip widget and integrate it into YouPage and ScaffoldWithNavBar

* feat: enhance library selection UI with refresh functionality and error handling

* fix: change library switcher activation from long press to double tap

* feat: show current library on nav bar

* feat: refactor LibraryBrowserPage to use CustomScrollView and enhance app bar with dynamic library icon and title

lib/api/api_provider.dart

@@ -49,8 +49,7 @@ AudiobookshelfApi audiobookshelfApi(Ref ref, Uri? baseUrl) {
 /// if the user is not authenticated throw an error
 @Riverpod(keepAlive: true)
 AudiobookshelfApi authenticatedApi(Ref ref) {
-  final apiSettings = ref.watch(apiSettingsProvider);
-  final user = apiSettings.activeUser;
+  final user = ref.watch(apiSettingsProvider.select((s) => s.activeUser));
   if (user == null) {
     _logger.severe('No active user can not provide authenticated api');
     throw StateError('No active user');

lib/api/api_provider.g.dart

@@ -170,7 +170,7 @@ class _AudiobookshelfApiProviderElement
   Uri? get baseUrl => (origin as AudiobookshelfApiProvider).baseUrl;
 }
 
-String _$authenticatedApiHash() => r'5cf3329fe3074e3a09e266b4bae78b53e9c01220';
+String _$authenticatedApiHash() => r'284be2c39823c20fb70035a136c430862c28fa27';
 
 /// get the api instance for the authenticated user
 ///

lib/api/library_provider.dart

@@ -0,0 +1,58 @@
+import 'package:hooks_riverpod/hooks_riverpod.dart' show Ref;
+import 'package:logging/logging.dart' show Logger;
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import 'package:shelfsdk/audiobookshelf_api.dart' show Library;
+import 'package:vaani/api/api_provider.dart' show authenticatedApiProvider;
+import 'package:vaani/settings/api_settings_provider.dart'
+    show apiSettingsProvider;
+part 'library_provider.g.dart';
+
+final _logger = Logger('LibraryProvider');
+
+@riverpod
+Future<Library?> library(Ref ref, String id) async {
+  final api = ref.watch(authenticatedApiProvider);
+  final library = await api.libraries.get(libraryId: id);
+  if (library == null) {
+    _logger.warning('No library found through id: $id');
+    //  try to get the library from the list of libraries
+    final libraries = await ref.watch(librariesProvider.future);
+    for (final lib in libraries) {
+      if (lib.id == id) {
+        return lib;
+      }
+    }
+    _logger.warning('No library found in the list of libraries');
+    return null;
+  }
+  _logger.fine('Fetched library: ${library}');
+  return library.library;
+}
+
+@riverpod
+Future<Library?> currentLibrary(Ref ref) async {
+  final libraryId =
+      ref.watch(apiSettingsProvider.select((s) => s.activeLibraryId));
+  if (libraryId == null) {
+    _logger.warning('No active library id found');
+    return null;
+  }
+  return await ref.watch(libraryProvider(libraryId).future);
+}
+
+@riverpod
+class Libraries extends _$Libraries {
+  @override
+  FutureOr<List<Library>> build() async {
+    final api = ref.watch(authenticatedApiProvider);
+    final libraries = await api.libraries.getAll();
+    if (libraries == null) {
+      _logger.warning('Failed to fetch libraries');
+      return [];
+    }
+    _logger.fine('Fetched ${libraries.length} libraries');
+    ref.keepAlive();
+    return libraries;
+  }
+}

lib/api/library_provider.g.dart

@@ -0,0 +1,192 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'library_provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$libraryHash() => r'b62d976f8ab83b2f5823a0fb7dac52fde8fcbffc';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+/// See also [library].
+@ProviderFor(library)
+const libraryProvider = LibraryFamily();
+
+/// See also [library].
+class LibraryFamily extends Family<AsyncValue<Library?>> {
+  /// See also [library].
+  const LibraryFamily();
+
+  /// See also [library].
+  LibraryProvider call(
+    String id,
+  ) {
+    return LibraryProvider(
+      id,
+    );
+  }
+
+  @override
+  LibraryProvider getProviderOverride(
+    covariant LibraryProvider provider,
+  ) {
+    return call(
+      provider.id,
+    );
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'libraryProvider';
+}
+
+/// See also [library].
+class LibraryProvider extends AutoDisposeFutureProvider<Library?> {
+  /// See also [library].
+  LibraryProvider(
+    String id,
+  ) : this._internal(
+          (ref) => library(
+            ref as LibraryRef,
+            id,
+          ),
+          from: libraryProvider,
+          name: r'libraryProvider',
+          debugGetCreateSourceHash:
+              const bool.fromEnvironment('dart.vm.product')
+                  ? null
+                  : _$libraryHash,
+          dependencies: LibraryFamily._dependencies,
+          allTransitiveDependencies: LibraryFamily._allTransitiveDependencies,
+          id: id,
+        );
+
+  LibraryProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.id,
+  }) : super.internal();
+
+  final String id;
+
+  @override
+  Override overrideWith(
+    FutureOr<Library?> Function(LibraryRef provider) create,
+  ) {
+    return ProviderOverride(
+      origin: this,
+      override: LibraryProvider._internal(
+        (ref) => create(ref as LibraryRef),
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        id: id,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeFutureProviderElement<Library?> createElement() {
+    return _LibraryProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is LibraryProvider && other.id == id;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, id.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+mixin LibraryRef on AutoDisposeFutureProviderRef<Library?> {
+  /// The parameter `id` of this provider.
+  String get id;
+}
+
+class _LibraryProviderElement extends AutoDisposeFutureProviderElement<Library?>
+    with LibraryRef {
+  _LibraryProviderElement(super.provider);
+
+  @override
+  String get id => (origin as LibraryProvider).id;
+}
+
+String _$currentLibraryHash() => r'658498a531e04a01e2b3915a3319101285601118';
+
+/// See also [currentLibrary].
+@ProviderFor(currentLibrary)
+final currentLibraryProvider = AutoDisposeFutureProvider<Library?>.internal(
+  currentLibrary,
+  name: r'currentLibraryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$currentLibraryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+@Deprecated('Will be removed in 3.0. Use Ref instead')
+// ignore: unused_element
+typedef CurrentLibraryRef = AutoDisposeFutureProviderRef<Library?>;
+String _$librariesHash() => r'95ebd4d1ac0cc2acf7617dc22895eff0ca30600f';
+
+/// See also [Libraries].
+@ProviderFor(Libraries)
+final librariesProvider =
+    AutoDisposeAsyncNotifierProvider<Libraries, List<Library>>.internal(
+  Libraries.new,
+  name: r'librariesProvider',
+  debugGetCreateSourceHash:
+      const bool.fromEnvironment('dart.vm.product') ? null : _$librariesHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$Libraries = AutoDisposeAsyncNotifier<List<Library>>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package