first implementation finished

2024-04-22 11:21:01 +02:00
parent 1a13ca0795
commit 0e1972242a
102 changed files with 7192 additions and 55 deletions
@@ -0,0 +1,37 @@
+import 'dart:convert';
+
+import 'package:exceptions/exceptions.dart';
+import 'package:http/http.dart' as http;
+import 'package:kagi_bang_bang/core/http_error_handler.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'autosuggest.g.dart';
+
+@Riverpod(keepAlive: true)
+class KagiAutosuggestService extends _$KagiAutosuggestService {
+  static final _baseUrl = Uri.https('kagi.com', 'api/autosuggest');
+
+  late http.Client _client;
+
+  @override
+  void build() {
+    _client = http.Client();
+  }
+
+  Future<Result<List<String>>> getSuggestions(String query) async {
+    return Result.fromAsync(
+      () async {
+        final response =
+            await _client.get(_baseUrl.replace(queryParameters: {'q': query}));
+
+        final results = jsonDecode(response.body) as List;
+        return switch (results.last) {
+          final String result => [result],
+          final List resultList => resultList.cast(),
+          _ => []
+        };
+      },
+      exceptionHandler: handleHttpError,
+    );
+  }
+}
@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'autosuggest.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$kagiAutosuggestServiceHash() =>
+    r'97fa2170d6756f55a2c6d8454cfc3d8c33ded914';
+
+/// See also [KagiAutosuggestService].
+@ProviderFor(KagiAutosuggestService)
+final kagiAutosuggestServiceProvider =
+    NotifierProvider<KagiAutosuggestService, void>.internal(
+  KagiAutosuggestService.new,
+  name: r'kagiAutosuggestServiceProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$kagiAutosuggestServiceHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$KagiAutosuggestService = Notifier<void>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member
@@ -0,0 +1,57 @@
+import 'dart:async';
+
+import 'package:kagi_bang_bang/features/kagi/data/services/autosuggest.dart';
+import 'package:kagi_bang_bang/utils/lru_cache.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:rxdart/rxdart.dart';
+
+part 'autosuggest.g.dart';
+
+@Riverpod(keepAlive: true)
+class AutosuggestRepository extends _$AutosuggestRepository {
+  final LRUCache<String, List<String>> _cache;
+
+  late StreamController<String> _queryStreamController;
+
+  AutosuggestRepository() : _cache = LRUCache(100);
+
+  void addQuery(String query) {
+    _queryStreamController.add(query);
+  }
+
+  @override
+  Raw<Stream<List<String>>> build() {
+    _queryStreamController = StreamController();
+    ref.onDispose(() async {
+      await _queryStreamController.close();
+    });
+
+    return _queryStreamController.stream
+        .sampleTime(const Duration(milliseconds: 100))
+        .switchMap<List<String>>(
+      (query) {
+        if (query.isEmpty) {
+          return Stream.value([]);
+        }
+
+        final cached = _cache.get(query);
+        if (cached != null) {
+          return Stream.value(cached);
+        }
+
+        return ref
+            .read(kagiAutosuggestServiceProvider.notifier)
+            // ignore: discarded_futures
+            .getSuggestions(query)
+            // ignore: discarded_futures
+            .then((result) {
+          result.onSuccess((result) {
+            _cache.set(query, result);
+          });
+
+          return result.value;
+        }).asStream();
+      },
+    ).asBroadcastStream();
+  }
+}
@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'autosuggest.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$autosuggestRepositoryHash() =>
+    r'48d6bf45d648871f8570edfe1e0b394019084695';
+
+/// See also [AutosuggestRepository].
+@ProviderFor(AutosuggestRepository)
+final autosuggestRepositoryProvider =
+    NotifierProvider<AutosuggestRepository, Raw<Stream<List<String>>>>.internal(
+  AutosuggestRepository.new,
+  name: r'autosuggestRepositoryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$autosuggestRepositoryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$AutosuggestRepository = Notifier<Raw<Stream<List<String>>>>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member