static void Main(string[] args)
{
// Log into client with credentials
AmazonComprehendClient client = new AmazonComprehendClient(Amazon.RegionEndpoint.USEast1);
// Load XML doc
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load("phrases_old.xml");
XmlElement rootElement = xmlDoc.DocumentElement;
XmlNodeList rootsChildren = rootElement.ChildNodes;
// List of language codes
List <string> languageCodes = new List <string>();
// Iterate over each child and send request to detect language for inner text of each node
foreach (XmlNode node in rootsChildren)
{
DetectDominantLanguageRequest request = new DetectDominantLanguageRequest
{
Text = node.InnerText
};
DetectDominantLanguageResponse response = client.DetectDominantLanguage(request);
string test = string.Empty;
// Add language found for each child statement to list
foreach (DominantLanguage language in response.Languages)
{
test += language.LanguageCode + ", ";
}
languageCodes.Add(test);
}
// print results of language found
int i = 0;
foreach (XmlNode node in rootsChildren)
{
Console.Write("Phrase " + node.Attributes[0].Name + ": " + node.Attributes[0].Value + " ");
Console.WriteLine(node.Attributes[1].Value + " : " + languageCodes[i].Substring(0, languageCodes[i].Length - 2));
i++;
}
Console.ReadLine();
}
/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
DetectDominantLanguageResponse response = new DetectDominantLanguageResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("Languages", targetDepth))
{
var unmarshaller = new ListUnmarshaller <DominantLanguage, DominantLanguageUnmarshaller>(DominantLanguageUnmarshaller.Instance);
response.Languages = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
public async Task ProcessMessageAsync(SQSEvent.SQSMessage message)
{
//_logger.LogLine("Processing message \n" + message.Body);
ConvertTextToSpeechContract contract =
JsonConvert.DeserializeObject <ConvertTextToSpeechContract>(message.Body);
DetectDominantLanguageResponse dominantLanguageResponse = AwsService.Comprehend
.DetectDominantLanguage(contract.TextContent);
string dominantLanguageCode = dominantLanguageResponse
.Languages
.OrderByDescending(l => l.Score)
.First()
.LanguageCode;
Amazon.Polly.LanguageCode languageCode = null;
switch (dominantLanguageCode)
{
case "en":
languageCode = Amazon.Polly.LanguageCode.EnUS;
break;
//TODO: Handle other languages
default:
throw new Exception("Could not find the language specified");
}
SynthesizeSpeechResponse systhesisResponse = AwsService
.Polly.SynthesizeSpeech(contract.TextContent, languageCode);
MemoryStream inputStream = new MemoryStream(ReadToEnd(systhesisResponse.AudioStream));
string contentType = "audio/mpeg";
string bucketName = Environment.GetEnvironmentVariable("ALEXA_READER_BUCKET");
AwsService.S3.PutObject(inputStream, contract.AudioFilePathToSave,
bucketName, contentType);
//_logger.LogLine("Processed message \n" + message.Body);
}
