public async Task <DetectionResult> DetectAsync(DetectionRequest request)
{
var image = Image.FromUri(request.ImageUri);
var annotation = await _client.DetectDocumentTextAsync(image);
return(new DetectionResult(annotation.Text));
}
public static async Task <FeatureRequest <Response.Translation, Error.Translation> > Translate(string[] args, TranslationClient translationClient,
ImageAnnotatorClient visionClient, Dictionary <string, List <string> > allLanguages)
{
if (translationClient == null)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.InvalidApiKey));
}
if (args.Length < 2)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.Help));
}
string language;
if (args[0].Length == 2)
{
language = args[0];
}
else
{
language = Utilities.GetLanguage(args[0], allLanguages);
}
if (language == null)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.InvalidLanguage));
}
List <string> newWords = args.ToList();
newWords.RemoveAt(0);
try
{
string toTranslate = Utilities.AddArgs(newWords.ToArray());
if (newWords.Count == 1 && Utilities.IsLinkValid(newWords[0]))
{
if (visionClient == null)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.InvalidApiKey));
}
Image image = await Image.FetchFromUriAsync(newWords[0]);
TextAnnotation response;
try
{
response = await visionClient.DetectDocumentTextAsync(image);
}
catch (AnnotateImageException)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.NotAnImage));
}
if (response == null)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.NoTextOnImage));
}
toTranslate = response.Text;
}
TranslationResult translation = await translationClient.TranslateTextAsync(toTranslate, language);
return(new FeatureRequest <Response.Translation, Error.Translation>(new Response.Translation()
{
sentence = translation.TranslatedText,
sourceLanguage = Utilities.GetFullLanguage(translation.DetectedSourceLanguage, allLanguages)
}, Error.Translation.None));
}
catch (GoogleApiException)
{
return(new FeatureRequest <Response.Translation, Error.Translation>(null, Error.Translation.InvalidLanguage));
}
}