Files
syncrow-web/lib/pages/access_management/booking_system/domain/services/DebouncedBookingSystemService.dart

58 lines
1.5 KiB
Dart

import 'dart:async';
import 'package:syncrow_web/pages/access_management/booking_system/domain/models/paginated_bookable_spaces.dart';
import 'package:syncrow_web/pages/access_management/booking_system/domain/services/booking_system_service.dart';
class DebouncedBookingSystemService implements BookingSystemService {
final BookingSystemService _inner;
final Duration debounceDuration;
Timer? _debounceTimer;
Completer<PaginatedBookableSpaces>? _lastCompleter;
int? _lastPage;
int? _lastSize;
bool? _lastIncludeSpaces;
String? _lastSearch;
DebouncedBookingSystemService(
this._inner, {
this.debounceDuration = const Duration(milliseconds: 500),
});
@override
Future<PaginatedBookableSpaces> getBookableSpaces({
required int page,
required int size,
required String search,
}) {
_debounceTimer?.cancel();
_lastCompleter?.completeError(StateError("Cancelled by new search"));
final completer = Completer<PaginatedBookableSpaces>();
_lastCompleter = completer;
_lastPage = page;
_lastSize = size;
_lastSearch = search;
_debounceTimer = Timer(debounceDuration, () async {
try {
final result = await _inner.getBookableSpaces(
page: _lastPage!,
size: _lastSize!,
search: _lastSearch!,
);
if (!completer.isCompleted) {
completer.complete(result);
}
} catch (e, st) {
if (!completer.isCompleted) {
completer.completeError(e, st);
}
}
});
return completer.future;
}
}