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<_DeepLTranslation>(
    path: 'v2/translate',
    headers: {
      'Authorization': 'DeepL-Auth-Key $apiKey',
    },
    parameters: {
      'source_lang': sourceLanguage,
      'target_lang': target,
      'text': Uri.encodeComponent(source),
    },
    decoder: (response) => _decodeTranslationJson(response.body),
    body: {},
  );

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

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