public static async Task <string> Translate(string phraseInDefaultLanguage, ILanguage language)
{
if (language == null)
{
language = await GetCurrentLanguage();
}
var byEvent = await TryTranslateUsingTheEvent(phraseInDefaultLanguage, language);
if (byEvent.Item1)
{
return(byEvent.Item2);
}
if (phraseInDefaultLanguage.IsEmpty())
{
return(phraseInDefaultLanguage);
}
if (language.Equals(await GetDefaultLanguage()))
{
return(phraseInDefaultLanguage);
}
else
{
// First try: Exact match:
var translation = await GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.HasValue())
{
return(translation);
}
// special characters aren't translated:
if (phraseInDefaultLanguage.ToCharArray().None(c => char.IsLetter(c)))
{
return(phraseInDefaultLanguage);
}
// Next try: Remove special characters:
var leftDecorators = FindLeftDecorators(phraseInDefaultLanguage);
var rightDecorators = FindRightDecorators(phraseInDefaultLanguage);
if (leftDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimStart(leftDecorators);
}
if (rightDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimEnd(rightDecorators);
}
translation = await GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.IsEmpty())
{
if (phraseInDefaultLanguage.Length <= GOOGLE_TRANSLATE_LIMIT && AttemptAutomaticTranslation)
{
translation = await GoogleTranslate(phraseInDefaultLanguage, language.IsoCode);
}
else
{
translation = phraseInDefaultLanguage;
}
if (translation.HasValue())
{
try
{
var arg = new TranslationDownloadedEventArgs(phraseInDefaultLanguage, language, translation);
await TranslationDownloaded.Raise(arg);
}
catch { /* No Logging needed*/ }
}
}
return(leftDecorators + translation.Or(phraseInDefaultLanguage) + rightDecorators);
}
}
public static string Translate(string phraseInDefaultLanguage, ILanguage language)
{
if (language == null)
{
language = GetCurrentLanguage();
}
if (TranslationRequested != null)
{
var args = new TranslationRequestedEventArgs {
PhraseInDefaultLanguage = phraseInDefaultLanguage, Language = language
};
TranslationRequested?.Invoke(null, args);
if (args.Cancel)
{
return(phraseInDefaultLanguage);
}
if (args.TranslationProvider != null)
{
return(args.TranslationProvider());
}
}
if (phraseInDefaultLanguage.IsEmpty())
{
return(phraseInDefaultLanguage);
}
if (language.Equals(DefaultLanguage))
{
return(phraseInDefaultLanguage);
}
else
{
// First try: Exact match:
var translation = GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.HasValue())
{
return(translation);
}
// special characters aren't translated:
if (phraseInDefaultLanguage.ToCharArray().None(c => char.IsLetter(c)))
{
return(phraseInDefaultLanguage);
}
// Next try: Remove special characters:
var leftDecorators = FindLeftDecorators(phraseInDefaultLanguage);
var rightDecorators = FindRightDecorators(phraseInDefaultLanguage);
if (leftDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimStart(leftDecorators);
}
if (rightDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimEnd(rightDecorators);
}
translation = GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.IsEmpty())
{
if (phraseInDefaultLanguage.Length <= GOOGLE_TRANSLATE_LIMIT && AttemptAutomaticTranslation)
{
translation = GoogleTranslate(phraseInDefaultLanguage, language.IsoCode);
}
else
{
translation = phraseInDefaultLanguage;
}
if (translation.HasValue())
{
try
{
TranslationDownloaded?.Invoke(phraseInDefaultLanguage, new TranslationDownloadedEventArgs(phraseInDefaultLanguage, language, translation));
}
catch { }
}
}
return(leftDecorators + translation.Or(phraseInDefaultLanguage) + rightDecorators);
}
}
public static async Task <string> Translate(string phraseInDefaultLanguage, ILanguage language)
{
if (language == null)
{
throw new ArgumentNullException(nameof(language));
}
if (phraseInDefaultLanguage.IsEmpty())
{
return(phraseInDefaultLanguage);
}
if (language.Equals(await Context.Current.DefaultLanguage()))
{
return(phraseInDefaultLanguage);
}
// Already saved locally?
var translation = await GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.HasValue())
{
return(translation);
}
// special characters aren't translated:
if (phraseInDefaultLanguage.ToCharArray().None(c => char.IsLetter(c)))
{
return(phraseInDefaultLanguage);
}
// Clean up:
var leftDecorators = FindLeftDecorators(phraseInDefaultLanguage);
if (leftDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimStart(leftDecorators);
}
var rightDecorators = FindRightDecorators(phraseInDefaultLanguage);
if (rightDecorators.HasValue())
{
phraseInDefaultLanguage = phraseInDefaultLanguage.TrimEnd(rightDecorators);
}
// Try local translations again:
translation = await GetLocalTranslation(phraseInDefaultLanguage, language);
if (translation.IsEmpty())
{
foreach (var translator in Providers)
{
translation = await translator.Translate(phraseInDefaultLanguage,
(await Context.Current.DefaultLanguage()).IsoCode, language.IsoCode);
if (translation.HasValue())
{
try
{
var arg = new TranslationDownloadedEventArgs(phraseInDefaultLanguage, language, translation);
await TranslationDownloaded.Raise(arg);
}
catch { /* No Logging needed*/ }
break;
}
}
}
return(leftDecorators + translation.Or(phraseInDefaultLanguage) + rightDecorators);
}
