public async Task <string> TranslateAsync(string inSentence, TranslationEngine translationEngine, TranslatorLanguague fromLang, TranslatorLanguague toLang)
{
string result = String.Empty;
await Task.Run(() =>
{
result = Translate(inSentence, translationEngine, fromLang, toLang);
});
return(result);
}
public string Translate(string inSentence, TranslationEngine translationEngine, TranslatorLanguague fromLang, TranslatorLanguague toLang)
{
if (fromLang.SystemName == "Auto")
{
if (translationEngine.EngineName != TranslationEngineName.GoogleTranslate)
{
var dLang = _LanguageDetector.TryDetectLanguague(inSentence);
if (dLang.Length > 1)
{
var nLang = translationEngine.SupportedLanguages.FirstOrDefault(x => x.SystemName == dLang);
if (nLang != null)
{
fromLang = nLang;
}
}
}
}
if (fromLang.SystemName == toLang.SystemName)
{
return(inSentence);
}
if (inSentence.All(x => !char.IsLetter(x)))
{
return(inSentence);
}
switch (toLang.SystemName)
{
case "Korean":
if (_LanguageDetector.HasKorean(inSentence))
{
return(inSentence);
}
break;
case "Japanese":
if (_LanguageDetector.HasJapanese(inSentence))
{
return(inSentence);
}
break;
}
TranslationRequest translationRequest = new TranslationRequest(inSentence, translationEngine.EngineName, fromLang.LanguageCode, toLang.LanguageCode);
var cachedResult = transaltionCache.FirstOrDefault(x => x.Key == translationRequest);
if (!cachedResult.Equals(defaultCachedResult))
{
return(cachedResult.Value);
}
string result = String.Empty;
inSentence = PreprocessSentence(inSentence);
var fromLangCode = fromLang.LanguageCode;
var toLangCode = toLang.LanguageCode;
switch (translationEngine.EngineName)
{
case TranslationEngineName.GoogleTranslate:
{
result = GoogleTranslate(inSentence, fromLangCode, toLangCode);
break;
}
case TranslationEngineName.DeepL:
{
result = DeeplTranslate(inSentence, fromLangCode, toLangCode);
break;
}
case TranslationEngineName.Yandex:
{
result = YandexTranslate(inSentence, fromLangCode, toLangCode);
break;
}
case TranslationEngineName.Papago:
{
result = PapagoTranslate(inSentence, fromLangCode, toLangCode);
break;
}
case TranslationEngineName.Baidu:
{
result = BaiduTranslate(inSentence, fromLangCode, toLangCode);
break;
}
default:
{
result = String.Empty;
break;
}
}
if (result.Length > 1)
{
cachedResult = transaltionCache.FirstOrDefault(x => x.Key == translationRequest);
if (cachedResult.Equals(defaultCachedResult))
{
transaltionCache.Add(new KeyValuePair <TranslationRequest, string>(translationRequest, result));
}
if (transaltionCache.Count > GlobalTranslationSettings.TranslationCacheSize - 10)
{
transaltionCache.RemoveRange(0, GlobalTranslationSettings.TranslationCacheSize / 2);
}
}
return(result);
}