/// <summary>
/// A wrapper method for Google Translate that translates multiple texts from source language to target language
/// </summary>
/// <param name="sourceLanguage">Source language of the texts for translation</param>
/// <param name="targetLanguage">Target language for translation</param>
/// <param name="textDict">A dictionary containing texts for translation</param>
/// <returns>Returns a dictionary of the translated texts
/// The dictionary keys are the keys from textDict, to help in tracking each translation to its original text</returns>
public IOrderedDictionary <string, string> TranslateTexts(string sourceLanguage, string targetLanguage, IOrderedDictionary <string, string> textDict)
{
TranslateTextResponseList response;
foreach (var textDictItem in textDict)
{
var key = textDictItem.Key;
var text = textDictItem.Value;
var isWithinRequestLimit = text.Length + _currentRequestCharacterCount <= _maxCharactersPerRequest ? true : false;
if (isWithinRequestLimit)
{
_currentRequestCharacterCount += text.Length;
_request.Add(text);
}
else
{
if (_currentRequestCharacterCount + _totalRequestsCharacterCount >= _maxCharactersPer100Seconds)
{
Thread.Sleep(TimeSpan.FromSeconds(100));
_totalRequestsCharacterCount = 0; // Reset the count of requests
}
response = _googleTranslateMock.TranslateText(sourceLanguage, targetLanguage, _request);
_translateResponses.Add(response);
_totalRequestsCharacterCount += _currentRequestCharacterCount;
// Initiate a new request
_currentRequestCharacterCount = text.Length;
_request.Clear();
_request.Add(text);
}
}
// Handle any leftover request
if (_request.Any())
{
response = _googleTranslateMock.TranslateText(sourceLanguage, targetLanguage, _request);
_translateResponses.Add(response);
}
var lastIndex = 0;
IOrderedDictionary <string, string> translatedTextDict = new OrderedDictionary <string, string>();
foreach (var translateResponse in _translateResponses)
{
var translations = translateResponse.Translations;
for (int translationIdx = 0; translationIdx < translations.Count; translationIdx++)
{
var translation = translations[translationIdx];
if (lastIndex > textDict.Count)
{
return(translatedTextDict);
}
var textDictItem = textDict.ElementAt(lastIndex);
translatedTextDict.Add(textDictItem.Key, translation.TranslatedText);
lastIndex += 1;
}
}
return(translatedTextDict);
}
