feat(App): update Finlytic Flutter app UI and blocs

2026-08-09 21:01:46 +02:00
parent e7427b7464
commit a708d2977c
591 changed files with 1095105 additions and 0 deletions
@@ -0,0 +1,57 @@
+import 'dart:async';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:finlytic_app/features/search/repositories/search_repository.dart';
+import 'search_event.dart';
+import 'search_state.dart';
+
+export 'search_event.dart';
+export 'search_state.dart';
+
+EventTransformer<Event> debounce<Event>(Duration duration) {
+  return (events, mapper) => events.switchMap((event) => Stream.value(event).asyncExpand(mapper));
+}
+
+extension SwitchMapExtension<T> on Stream<T> {
+  Stream<R> switchMap<R>(Stream<R> Function(T event) mapper) {
+    StreamController<R>? controller;
+    StreamSubscription<T>? inputSub;
+    StreamSubscription<R>? outputSub;
+
+    controller = StreamController<R>(
+      onListen: () {
+        inputSub = listen((event) {
+          outputSub?.cancel();
+          outputSub = mapper(event).listen(
+            controller?.add,
+            onError: controller?.addError,
+          );
+        }, onDone: () {
+          // Wait for last sub to finish or close
+        });
+      },
+      onCancel: () {
+        outputSub?.cancel();
+        inputSub?.cancel();
+      },
+    );
+    return controller.stream;
+  }
+}
+
+class SearchBloc extends Bloc<SearchEvent, SearchState> {
+  final SearchRepository repository;
+
+  SearchBloc({required this.repository}) : super(SearchInitial()) {
+    on<SearchQueryChanged>(_onSearchQueryChanged);
+  }
+
+  Future<void> _onSearchQueryChanged(SearchQueryChanged event, Emitter<SearchState> emit) async {
+    emit(SearchLoading());
+    try {
+      final results = await repository.searchAssets(event.query);
+      emit(SearchLoaded(results));
+    } catch (e) {
+      emit(const SearchError("Fehler bei der Suche."));
+    }
+  }
+}