fromJson static method

IngredientDto? fromJson(dynamic value)

Returns a new IngredientDto instance and imports its values from value if it's a Map, null otherwise.

Implementation

// ignore: prefer_constructors_over_static_methods
static IngredientDto? fromJson(dynamic value) {
  if (value is IngredientDto) {
    return value;
  }
  if (value is Map) {
    final json = value.cast<String, dynamic>();

    // Ensure that the map contains the required keys.
    // Note 1: the values aren't checked for validity beyond being non-null.
    // Note 2: this code is stripped in release mode!
    assert(() {
      requiredKeys.forEach((key) {
        assert(json.containsKey(key), 'Required key "IngredientDto[$key]" is missing from JSON.');
        assert(json[key] != null, 'Required key "IngredientDto[$key]" has a null value in JSON.');
      });
      return true;
    }());

    return IngredientDto(
      from: mapValueOfType<int>(json, r'from'),
      to: mapValueOfType<int>(json, r'to'),
      rank: mapValueOfType<int>(json, r'rank'),
      type: IngredientDtoTypeEnum.fromJson(json[r'type']),
      knownEffect: mapValueOfType<bool>(json, r'knownEffect'),
      strengthDescription: mapValueOfType<String>(json, r'strengthDescription'),
      strength: QuantityDto.fromJson(json[r'strength']),
      additionalInformation: mapValueOfType<String>(json, r'additionalInformation'),
      substance: SubstanceStubDto.fromJson(json[r'substance']),
    );
  }
  return null;
}