/// <summary>
/// Converts a language to its identifier.
/// </summary>
/// <param name="language">The language."</param>
/// <returns>The identifier or <see cref="string.Empty"/> if none.</returns>
private static string LanguageEnumToIdentifier
(string language)
{
string mode = string.Empty;
GoogleTranslator.EnsureInitialized();
GoogleTranslator._languageModeMap.TryGetValue(language, out mode);
return(mode);
}
/// <summary>
/// Translates the specified source text.
/// </summary>
/// <param name="sourceText">The source text.</param>
/// <param name="sourceLanguage">The source language.</param>
/// <param name="targetLanguage">The target language.</param>
/// <returns>The translation.</returns>
public async Task <string> Translate
(string sourceText,
string sourceLanguage,
string targetLanguage)
{
// Initialize
DateTime tmStart = DateTime.Now;
string text = string.Empty;
// Download translation
string url = string.Format("https://translate.googleapis.com/translate_a/single?client=gtx&sl={0}&tl={1}&dt=t&q={2}",
GoogleTranslator.LanguageEnumToIdentifier(sourceLanguage),
GoogleTranslator.LanguageEnumToIdentifier(targetLanguage),
HttpUtility.UrlEncode(sourceText));
using (HttpClient http = new HttpClient())
{
http.DefaultRequestHeaders.Add("user-agent", "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36");
text = await http.GetStringAsync(url).ConfigureAwait(false);
}
// Return result
return(string.Concat(JArray.Parse(text)[0].Select(x => x[0])));
}