public virtual async Task <TranslationResult> GetTranslationAsync(string text, string sourceLang, string destinationLang,
bool forceRemote = false)
{
var cacheKey = new TranslationCacheKey(Name, sourceLang, destinationLang, text);
TranslationResult result;
if (!forceRemote && EnableCache && TranslationCache.TryGetValue(cacheKey, out result))
{
if (result != null)
{
result.OriginalText = text;
result.FromCache = true;
return(result);
}
}
result = await GetRemoteTranslationAsync(text, sourceLang, destinationLang);
if (EnableCache)
{
TranslationCache.AddOrUpdate(cacheKey, result);
}
return(result);
}
internal static TranslationResult AddOrUpdate(TranslationCacheKey key, TranslationResult result)
{
if (result == null)
{
return(null);
}
return(_translationResultsCache.AddOrUpdate(key, result, (cacheKey, translationResult) => result));
}
internal static bool AddUserEditedItem(string translationSourceName, string sourceLang, string destinationLang, string originalText, string editedText)
{
if (string.IsNullOrEmpty(translationSourceName) || string.IsNullOrEmpty(destinationLang) || string.IsNullOrEmpty(originalText) || string.IsNullOrEmpty(editedText))
{
return(false);
}
var originalTextClean = originalText.Trim();
var editedTextClean = editedText.Trim();
if (originalTextClean.Equals(editedTextClean, StringComparison.Ordinal))
{
return(false);
}
var translationCacheKey = new TranslationCacheKey(translationSourceName, sourceLang, destinationLang, originalText);
TranslationResult translationResult;
if (!TryGetValue(translationCacheKey, out translationResult))
{
translationResult = AddOrUpdate(translationCacheKey, new TranslationResult
{
TranslationSource = translationSourceName,
SourceLanguage = sourceLang,
DestinationLanguage = destinationLang,
OriginalText = originalText,
FromCache = true
});
}
var dictionaryItem = translationResult.DictionaryItems.FirstOrDefault(p => p.Title.Equals(Constants.TranslationCache.UserEditedItemHeader, StringComparison.OrdinalIgnoreCase));
if (dictionaryItem == null)
{
dictionaryItem = new DictionaryItem
{
Title = Constants.TranslationCache.UserEditedItemHeader
};
translationResult.DictionaryItems.Add(dictionaryItem);
}
var alreadyHasItem = dictionaryItem.Terms.Any(p => p.Equals(editedTextClean, StringComparison.Ordinal));
if (alreadyHasItem)
{
return(false);
}
dictionaryItem.Terms.Add(editedTextClean);
return(true);
}
internal static bool RemoveUserEditedItem(string translationSourceName, string sourceLang, string destinationLang,
string originalText, string editedText)
{
if (string.IsNullOrEmpty(translationSourceName) || string.IsNullOrEmpty(destinationLang) || string.IsNullOrEmpty(originalText) || string.IsNullOrEmpty(editedText))
{
return(false);
}
var originalTextClean = originalText.Trim();
var editedTextClean = editedText.Trim();
if (originalTextClean.Equals(editedTextClean, StringComparison.Ordinal))
{
return(false);
}
var translationCacheKey = new TranslationCacheKey(translationSourceName, sourceLang, destinationLang, originalText);
TranslationResult translationResult;
if (!TryGetValue(translationCacheKey, out translationResult))
{
return(false);
}
var dictionaryItem = translationResult.DictionaryItems.FirstOrDefault(p => p.Title.Equals(Constants.TranslationCache.UserEditedItemHeader, StringComparison.OrdinalIgnoreCase));
if (dictionaryItem == null)
{
return(false);
}
var result = dictionaryItem.Terms.Remove(editedTextClean);
if (!dictionaryItem.Terms.Any())
{
translationResult.DictionaryItems.Remove(dictionaryItem);
}
return(result);
}
internal static bool TryGetValue(TranslationCacheKey key, out TranslationResult result)
{
return(_translationResultsCache.TryGetValue(key, out result));
}
