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Prisma/lib/features/search/presentation/search_controller.dart
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Dart

import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../backend/backend.dart';
import '../../../core/utils/result.dart';
import 'search_state.dart';
final searchControllerProvider =
AsyncNotifierProvider<SearchController, SearchState>(SearchController.new);
class SearchController extends AsyncNotifier<SearchState> {
@override
Future<SearchState> build() async {
final recent = await _recent();
return SearchState(recent: recent);
}
Future<void> updateQuery(String query) async {
final lastToken =
query.trim().isEmpty ? '' : query.trim().split(RegExp(r'\s+')).last;
final suggestionsResult = await ref
.read(searchServiceProvider)
.autocompleteDetailed(lastToken, limit: 16);
final suggestions = suggestionsResult is Success<List<TagSuggestion>>
? suggestionsResult.data
: <TagSuggestion>[];
state = AsyncData(
(state.value ?? const SearchState()).copyWith(
query: query,
suggestions: suggestions,
),
);
}
Future<void> clearHistory() async {
await ref.read(searchServiceProvider).clearHistory();
state = const AsyncData(SearchState());
}
Future<List<SearchHistory>> _recent() async {
final result = await ref.read(searchServiceProvider).recentSearches();
return result is Success<List<SearchHistory>> ? result.data : const [];
}
}