validate method

@override List<ConstrainViolation> validate(dynamic object, { String? parentFieldName, String? fieldSeparator, bool? throwExceptionOnFail = false, })

Implementation

@override
List<ConstrainViolation> validate(
  dynamic object, {
  String? parentFieldName,
  String? fieldSeparator,
  bool? throwExceptionOnFail = false,
}) {
  //if its null set the default base-name as parent field name, and,
  //the default field-separator
  //When: usually the first time its called if user dont specify it this default values are used
  parentFieldName ??= baseName;
  fieldSeparator ??= defaultFieldSeparator;
  throwExceptionOnFail ??= defaultTrowException;

  List<ConstrainViolation> violations = [];

  if (object is List) {
    for (var i = 0; i < object.length; ++i) {
      dynamic element = object[i];
      violations.addAll(
        validate(
          element,
          parentFieldName: '$parentFieldName[$i]',
        ),
      );
    }
  } else if (object is Map) {
    for (var element in object.entries) {
      violations.addAll(
        validate(
          element.value,
          parentFieldName: '$parentFieldName[${element.key}]',
        ),
      );
    }
  } else {
    if (object is Validatable) {
      violations.addAll(
        object.validate(
          parentFieldName: parentFieldName,
          fieldSeparator: fieldSeparator,
        ),
      );
    } else {
      var objectMirror = reflect(object);
      var classMirror = objectMirror.type;

      //process class level annotations
      List<Valid> rootValid = _getValid(classMirror.metadata);
      violations.addAll(
        processValid(
          valid: rootValid,
          fieldValue: object,
          fieldName: parentFieldName!,
        ),
      );

      for (var declaration in classMirror.declarations.values) {
        if (declaration is VariableMirror && !declaration.isStatic) {
          var fieldName =
              '$parentFieldName$fieldSeparator${_getFieldName(declaration)}';
          var fieldValue =
              objectMirror.getField(declaration.simpleName).reflectee;

          List<Valid> valid = _getValid(declaration.metadata);
          violations.addAll(
            processValid(
              valid: valid,
              fieldValue: fieldValue,
              fieldName: fieldName,
            ),
          );

          if (doRecursiveType(fieldValue)) {
            violations.addAll(
              validate(
                fieldValue,
                parentFieldName: fieldName,
              ),
            );
          }
        }
      }
    }
  }

  if (throwExceptionOnFail == true && violations.isNotEmpty) {
    throw ValidationException(violations: violations);
  } else {
    return violations;
  }
}