extract method

@override GS1Details? extract(String? input)

Extracts an gs1 code from input and splits it up into its GS1Details Returns null if input is null or if the resulting gs1 code is invalid.

Implementation

@override
GS1Details? extract(String? input) {
  if (input == null) return null;
  final gs1 = input.replaceAll(_everythingExceptDigits, '');
  final type = _gs1DetailsService.determineType(gs1);

  if (!_gs1ValidatorService.validate(gs1, type)) return null;

  final List<GS1Description> values = _gs1DetailsService.extractGS1Values(gs1, type);

  return GS1Details(
    gs1Code: _gs1DetailsService.formatGS1(
      gs1,
      type: type,
    ),
    rawValue: input,
    gs1type: type,
    descriptions: values,
  );
}