majro update

app/lib/features/bangs/domain/providers/search.dart

@@ -1,4 +1,8 @@
+import 'dart:async';
+
 import 'package:lensai/features/bangs/data/models/bang_data.dart';
+import 'package:lensai/features/bangs/data/providers.dart';
+import 'package:lensai/features/bangs/domain/providers/bangs.dart';
 import 'package:lensai/features/bangs/domain/repositories/data.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
@@ -6,6 +10,8 @@ part 'search.g.dart';
 
 @Riverpod()
 class BangSearch extends _$BangSearch {
+  late StreamController<List<BangData>> _streamController;
+
   Future<Uri> triggerBangSearch(BangData bang, String searchQuery) async {
     final bangDataNotifier = ref.read(bangDataRepositoryProvider.notifier);
 
@@ -19,6 +25,52 @@ class BangSearch extends _$BangSearch {
     return bang.getUrl(searchQuery);
   }
 
+  Future<void> search(String input) async {
+    if (input.isNotEmpty) {
+      await ref.read(bangDatabaseProvider).bangDao.queryBangs(input).get().then(
+        (value) {
+          if (!_streamController.isClosed) {
+            _streamController.add(value);
+          }
+        },
+      );
+    }
+  }
+
   @override
-  void build() {}
+  Stream<List<BangData>> build() {
+    _streamController = StreamController();
+
+    ref.onDispose(() async {
+      await _streamController.close();
+    });
+
+    return _streamController.stream;
+  }
+}
+
+@Riverpod()
+class SeamlessBangProvider extends _$SeamlessBangProvider {
+  bool _hasSearch = false;
+
+  void search(String input) {
+    if (input.isNotEmpty) {
+      if (!_hasSearch) {
+        _hasSearch = true;
+        ref.invalidateSelf();
+      }
+
+      unawaited(ref.read(bangSearchProvider.notifier).search(input));
+    } else if (_hasSearch) {
+      _hasSearch = false;
+      ref.invalidateSelf();
+    }
+  }
+
+  @override
+  AsyncValue<List<BangData>> build() {
+    return _hasSearch
+        ? ref.watch(bangSearchProvider)
+        : ref.watch(frequentBangListProvider);
+  }
 }