first implementation finished

app/lib/presentation/controllers/website_title.dart

@@ -0,0 +1,11 @@
+import 'package:kagi_bang_bang/domain/entities/web_page_info.dart';
+import 'package:kagi_bang_bang/domain/services/generic_website.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'website_title.g.dart';
+
+@Riverpod(keepAlive: true)
+Future<WebPageInfo> pageInfo(PageInfoRef ref, Uri url) async {
+  final websiteService = ref.watch(genericWebsiteServiceProvider.notifier);
+  return websiteService.getInfo(url).then((value) => value.value);
+}

app/lib/presentation/controllers/website_title.g.dart

@@ -0,0 +1,157 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'website_title.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$pageInfoHash() => r'47ebd4256eb405281b23791a114525447145baec';
+
+/// 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 [pageInfo].
+@ProviderFor(pageInfo)
+const pageInfoProvider = PageInfoFamily();
+
+/// See also [pageInfo].
+class PageInfoFamily extends Family<AsyncValue<WebPageInfo>> {
+  /// See also [pageInfo].
+  const PageInfoFamily();
+
+  /// See also [pageInfo].
+  PageInfoProvider call(
+    Uri url,
+  ) {
+    return PageInfoProvider(
+      url,
+    );
+  }
+
+  @override
+  PageInfoProvider getProviderOverride(
+    covariant PageInfoProvider provider,
+  ) {
+    return call(
+      provider.url,
+    );
+  }
+
+  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'pageInfoProvider';
+}
+
+/// See also [pageInfo].
+class PageInfoProvider extends FutureProvider<WebPageInfo> {
+  /// See also [pageInfo].
+  PageInfoProvider(
+    Uri url,
+  ) : this._internal(
+          (ref) => pageInfo(
+            ref as PageInfoRef,
+            url,
+          ),
+          from: pageInfoProvider,
+          name: r'pageInfoProvider',
+          debugGetCreateSourceHash:
+              const bool.fromEnvironment('dart.vm.product')
+                  ? null
+                  : _$pageInfoHash,
+          dependencies: PageInfoFamily._dependencies,
+          allTransitiveDependencies: PageInfoFamily._allTransitiveDependencies,
+          url: url,
+        );
+
+  PageInfoProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.url,
+  }) : super.internal();
+
+  final Uri url;
+
+  @override
+  Override overrideWith(
+    FutureOr<WebPageInfo> Function(PageInfoRef provider) create,
+  ) {
+    return ProviderOverride(
+      origin: this,
+      override: PageInfoProvider._internal(
+        (ref) => create(ref as PageInfoRef),
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        url: url,
+      ),
+    );
+  }
+
+  @override
+  FutureProviderElement<WebPageInfo> createElement() {
+    return _PageInfoProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is PageInfoProvider && other.url == url;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, url.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+mixin PageInfoRef on FutureProviderRef<WebPageInfo> {
+  /// The parameter `url` of this provider.
+  Uri get url;
+}
+
+class _PageInfoProviderElement extends FutureProviderElement<WebPageInfo>
+    with PageInfoRef {
+  _PageInfoProviderElement(super.provider);
+
+  @override
+  Uri get url => (origin as PageInfoProvider).url;
+}
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member