import 'package:isar_community/isar.dart'; import 'package:mangayomi/main.dart'; import 'package:mangayomi/models/source.dart'; Source? getSource(String lang, String name, int? sourceId) { try { final sourcesList = isar.sources.filter().idIsNotNull().findAllSync(); return sourcesList.firstWhere( (element) => sourceId != null ? element.id == sourceId && element.sourceCode != null : element.name!.toLowerCase() == name.toLowerCase() && element.lang == lang && element.sourceCode != null, orElse: () => throw ("Error when getting source"), ); } catch (_) { return null; } }