PMU/lib/data/mappers/cats_mapper.dart

import 'package:pmu/data/dtos/cats_dto.dart';
import 'package:pmu/domain/models/card.dart';
import '../../domain/models/home.dart';

const _imagePlaceholder =
    'https://upload.wikimedia.org/wikipedia/en/archive/b/b1/20210811082420%21Portrait_placeholder.png';

extension CatsDtoToModel on CatsDto {
  HomeData toDomain() => HomeData(
        data: data?.map((e) => e.toDomain()).toList(),
        nextPage: data != null && data!.isNotEmpty ? 20 : null,
      );
}

extension CatDataDtoToModel on CatDataDto {
  CardData toDomain() => CardData(
        name ?? 'UNKNOWN',
        imageUrl: imageLink ?? _imagePlaceholder,
        descriptionText: _makeDescriptionText(origin, length),
      );

  String _makeDescriptionText(String? origin, String? length) {
    return origin != null || length != null
        ? 'Origin: $origin \nLength: $length'
        : origin != null
            ? 'Origin: $origin'
            : length != null
                ? 'Length: $length'
                : '';
  }
}