import 'package:pmu/data/dtos/user_dto.dart'; import '../../domain/card.dart'; extension UserDataDtoToModel on UserDataDto { CardPostData toDomain() { const allowedExtensions = ['jpg', 'jpeg', 'gif']; bool isValidImageUrl(String? url) { if (url == null) return false; final extension = url.split('.').last.toLowerCase(); return allowedExtensions.contains(extension); } return CardPostData( name ?? "", description ?? "", isValidImageUrl(image) ? image! : "https://placehold.co/480x640/png", false); } }