/// <summary>
/// Translates an array of strings from a source language to a target language.
/// </summary>
/// <param name="translateArraySourceTexts">The strings to translate.</param>
/// <param name="sourceLanguage">The language code of the translation text. For example, "en" for English.</param>
/// <param name="targetLanguage">The language code to translate the text into.</param>
/// <returns>A task that represents the translation operation.
/// The task result contains a list of the translated documents.</returns>
public async Task <List <ITranslatedDocument> > TranslateArrayAsync(string[] translateArraySourceTexts, string sourceLanguage, string targetLanguage)
{
var translatedDocuments = new List <ITranslatedDocument>();
for (var srcTxtIndx = 0; srcTxtIndx < translateArraySourceTexts.Length; srcTxtIndx++)
{
var currentTranslatedDocument = new TranslatedDocument(translateArraySourceTexts[srcTxtIndx]);
translatedDocuments.Add(currentTranslatedDocument);
// Check for literal tag in input user message
_preProcessor.PreprocessMessage(currentTranslatedDocument.GetSourceMessage(), out var processedText, out var literanlNoTranslateList);
currentTranslatedDocument.SetSourceMessage(processedText);
translateArraySourceTexts[srcTxtIndx] = processedText;
currentTranslatedDocument.SetLiteranlNoTranslatePhrases(literanlNoTranslateList);
}
// list of translation request for the service
var payload = translateArraySourceTexts.Select(s => new TranslatorRequestModel {
Text = s
});
using (var request = _requestBuilder.BuildTranslateRequest(sourceLanguage, targetLanguage, payload))
{
var translatedResults = await _responseGenerator.GenerateTranslateResponseAsync(request).ConfigureAwait(false);
var sentIndex = 0;
foreach (var translatedValue in translatedResults)
{
var translation = translatedValue.Translations.First();
var currentTranslatedDocument = translatedDocuments[sentIndex];
currentTranslatedDocument.SetRawAlignment(translation.Alignment?.Projection ?? null);
currentTranslatedDocument.SetTranslatedMessage(translation.Text);
if (!string.IsNullOrEmpty(currentTranslatedDocument.GetRawAlignment()))
{
var alignments = currentTranslatedDocument.GetRawAlignment().Trim().Split(' ');
currentTranslatedDocument.SetSourceTokens(PostProcessingUtilities.SplitSentence(currentTranslatedDocument.GetSourceMessage(), alignments));
currentTranslatedDocument.SetTranslatedTokens(PostProcessingUtilities.SplitSentence(translation.Text, alignments, false));
currentTranslatedDocument.SetIndexedAlignment(PostProcessingUtilities.WordAlignmentParse(alignments, currentTranslatedDocument.GetSourceTokens(), currentTranslatedDocument.GetTranslatedTokens()));
currentTranslatedDocument.SetTranslatedMessage(PostProcessingUtilities.Join(" ", currentTranslatedDocument.GetTranslatedTokens()));
}
else
{
var translatedText = translation.Text;
currentTranslatedDocument.SetTranslatedMessage(translatedText);
currentTranslatedDocument.SetSourceTokens(new string[] { currentTranslatedDocument.GetSourceMessage() });
currentTranslatedDocument.SetTranslatedTokens(new string[] { currentTranslatedDocument.GetTranslatedMessage() });
currentTranslatedDocument.SetIndexedAlignment(new Dictionary <int, int>());
}
sentIndex++;
}
// post process all translated documents
PostProcesseDocuments(translatedDocuments, sourceLanguage);
return(translatedDocuments);
}
}
/// <summary>
/// Translates an array of strings from a source language to a target language.
/// </summary>
/// <param name="translateArraySourceTexts">The strings to translate.</param>
/// <param name="from">The language code of the translation text. For example, "en" for English.</param>
/// <param name="to">The language code to translate the text into.</param>
/// <returns>An array of the translated documents.</returns>
public async Task <List <TranslatedDocument> > TranslateArrayAsync(string[] translateArraySourceTexts, string from, string to)
{
var translatedDocuments = new List <TranslatedDocument>();
for (var srcTxtIndx = 0; srcTxtIndx < translateArraySourceTexts.Length; srcTxtIndx++)
{
// Check for literal tag in input user message
var currentTranslatedDocument = new TranslatedDocument(translateArraySourceTexts[srcTxtIndx]);
translatedDocuments.Add(currentTranslatedDocument);
PreprocessMessage(currentTranslatedDocument.SourceMessage, out var processedText, out var literanlNoTranslateList);
currentTranslatedDocument.SourceMessage = processedText;
translateArraySourceTexts[srcTxtIndx] = processedText;
currentTranslatedDocument.LiteranlNoTranslatePhrases = literanlNoTranslateList;
}
// list of translation request for the service
var payload = translateArraySourceTexts.Select(s => new TranslatorRequestModel {
Text = s
});
using (var request = GetTranslateRequestMessage(from, to, payload))
{
using (var response = await _httpClient.SendAsync(request).ConfigureAwait(false))
{
if (response.IsSuccessStatusCode)
{
var responseBody = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
var translatedResults = JsonConvert.DeserializeObject <IEnumerable <TranslatedResult> >(responseBody);
var sentIndex = 0;
foreach (var translatedValue in translatedResults)
{
var translation = translatedValue.Translations.First();
var currentTranslatedDocument = translatedDocuments[sentIndex];
currentTranslatedDocument.RawAlignment = translation.Alignment?.Projection ?? null;
currentTranslatedDocument.TargetMessage = translation.Text;
if (!string.IsNullOrEmpty(currentTranslatedDocument.RawAlignment))
{
var alignments = currentTranslatedDocument.RawAlignment.Trim().Split(' ');
currentTranslatedDocument.SourceTokens = PostProcessingUtilities.SplitSentence(currentTranslatedDocument.SourceMessage, alignments);
currentTranslatedDocument.TranslatedTokens = PostProcessingUtilities.SplitSentence(translation.Text, alignments, false);
currentTranslatedDocument.IndexedAlignment = PostProcessingUtilities.WordAlignmentParse(alignments, currentTranslatedDocument.SourceTokens, currentTranslatedDocument.TranslatedTokens);
currentTranslatedDocument.TargetMessage = PostProcessingUtilities.Join(" ", currentTranslatedDocument.TranslatedTokens);
}
else
{
var translatedText = translation.Text;
currentTranslatedDocument.TargetMessage = translatedText;
currentTranslatedDocument.SourceTokens = new string[] { currentTranslatedDocument.SourceMessage };
currentTranslatedDocument.TranslatedTokens = new string[] { currentTranslatedDocument.TargetMessage };
currentTranslatedDocument.IndexedAlignment = new Dictionary <int, int>();
}
sentIndex++;
}
return(translatedDocuments);
}
else
{
var responseBody = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
var errorResult = JsonConvert.DeserializeObject <ErrorModel>(responseBody);
throw new ArgumentException(errorResult.Error.Message);
}
}
}
}
