getCategorySiblingsAndFather method Null safety
- {required String fatherTag}
Returns the siblings AND the father (for tree climbing reasons).
Implementation
Future<Map<String, TaxonomyCategory>?> getCategorySiblingsAndFather({
required final String fatherTag,
}) async {
final Map<String, TaxonomyCategory> fatherData =
await _getCategories(<String>[fatherTag]);
if (fatherData.isEmpty) {
return null;
}
final List<String>? siblingTags = fatherData[fatherTag]?.children;
if (siblingTags == null || siblingTags.isEmpty) {
return fatherData;
}
final Map<String, TaxonomyCategory> result =
await _getCategories(siblingTags);
if (result.isNotEmpty) {
result[fatherTag] = fatherData[fatherTag]!;
}
return result;
}