translate method

@override Future<String> translate(String source, LanguageCode sourceLanguage, LanguageCode target)

Translates given text to specified language source - text which should be translated sourceLanguage - the language in which source was given target - language to which source should be translated

Implementation

@override
Future<String> translate(
  String source,
  LanguageCode sourceLanguage,
  LanguageCode target,
) async {
  logger.info('Translate "$source" from $sourceLanguage to $target');

  final apiResult = await _httpClient.post<_GoogleCloudTranslation>(
    path: 'v3/projects/$projectId:translateText',
    decoder: (response) => _decodeTranslationJson(response.body),
    body: {
      'sourceLanguageCode': sourceLanguage,
      'targetLanguageCode': target,
      'contents': [
        source,
      ]
    },
  );

  if (!apiResult.succeeded) {
    logger.warning('Translation failed');
    return source;
  }

  return apiResult.valueUnsafe.translations.first.translatedText;
}