public static dynamic NaturalLanguageClassifier(AppSettings appSettings, NaturalLanguageClassifierRequest requestBody)
{
string methodName = "NaturalLanguageClassifier";
dynamic result = new ExpandoObject();
try
{
WatsonSettings settings = appSettings.WatsonServices.NaturalLanguageClassifier;
IamAuthenticator authenticator = new IamAuthenticator(apikey: $"{requestBody.Apikey}");
IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService naturalLanguageClassifier = new IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService(authenticator);
naturalLanguageClassifier.SetServiceUrl($"{requestBody.Endpoint}");
// Preprocesando el texto
string normalizedtext = requestBody.Text;
normalizedtext = Regex.Replace(normalizedtext, @"[:][\\]", " ");
normalizedtext = Regex.Replace(normalizedtext, @"[.\!?,\'/():<>|][\s]", " ");
normalizedtext = Regex.Replace(normalizedtext, @"[.\!?,\'/():<>|]", " ");
normalizedtext = Regex.Replace(normalizedtext, @"[\\][\s]", " ");
normalizedtext = normalizedtext.Replace("\r\n", "\n");
normalizedtext = Regex.Replace(normalizedtext, @"[\s]{2,}", " ");
normalizedtext = normalizedtext.Replace("\"", "");
normalizedtext = normalizedtext.ToLower();
normalizedtext = Regex.Replace(normalizedtext, @"á", "a");
normalizedtext = Regex.Replace(normalizedtext, @"é", "e");
normalizedtext = Regex.Replace(normalizedtext, @"í", "i");
normalizedtext = Regex.Replace(normalizedtext, @"ó", "o");
normalizedtext = Regex.Replace(normalizedtext, @"ú", "u");
normalizedtext = Regex.Replace(normalizedtext, @"à", "a");
normalizedtext = Regex.Replace(normalizedtext, @"è", "e");
normalizedtext = Regex.Replace(normalizedtext, @"ì", "i");
normalizedtext = Regex.Replace(normalizedtext, @"ò", "o");
normalizedtext = Regex.Replace(normalizedtext, @"ù", "u");
normalizedtext = Regex.Replace(normalizedtext, @"â", "a");
normalizedtext = Regex.Replace(normalizedtext, @"ê", "e");
normalizedtext = Regex.Replace(normalizedtext, @"î", "i");
normalizedtext = Regex.Replace(normalizedtext, @"ô", "o");
normalizedtext = Regex.Replace(normalizedtext, @"û", "u");
result = naturalLanguageClassifier.Classify(
classifierId: requestBody.ModelId,
text: normalizedtext
).Result;
return(result);
}
catch (Exception e)
{
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {JsonConvert.SerializeObject(requestBody)}");
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {e.Source + Environment.NewLine + e.Message + Environment.NewLine + e.StackTrace}");
throw e;
}
}
public static dynamic NaturalLanguageClassifierTraining(AppSettings appSettings, IFormFile trainingDataFile, IFormCollection requestBody)
{
string methodName = "NaturalLanguageClassifierTraining";
dynamic result = new ExpandoObject();
try
{
WatsonSettings settings = appSettings.WatsonServices.NaturalLanguageClassifier;
IamAuthenticator authenticator = new IamAuthenticator(apikey: $"{requestBody["apikey"].ToString()}");
IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService naturalLanguageClassifier = new IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService(authenticator);
naturalLanguageClassifier.SetServiceUrl($"{requestBody["endpoint"].ToString()}");
JObject metadatajson = JObject.FromObject(new
{
language = "es",
name = requestBody["modelname"].ToString() ?? "NLCModel"
});
using (MemoryStream trainingData = new MemoryStream(), metadata = new MemoryStream(Encoding.Default.GetBytes(metadatajson.ToString())))
{
trainingDataFile.CopyTo(trainingData);
result = naturalLanguageClassifier.CreateClassifier(
trainingMetadata: metadata,
trainingData: trainingData
).Result;
return(result);
}
}
catch (Exception e)
{
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {trainingDataFile.FileName}");
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {e.Source + Environment.NewLine + e.Message + Environment.NewLine + e.StackTrace}");
throw e;
}
}
public static dynamic NaturalLanguageClassifierDelete(AppSettings appSettings, NaturalLanguageClassifierRequest requestBody)
{
string methodName = "NaturalLanguageClassifierDetail";
dynamic result = new ExpandoObject();
try
{
WatsonSettings settings = appSettings.WatsonServices.NaturalLanguageClassifier;
IamAuthenticator authenticator = new IamAuthenticator(apikey: $"{requestBody.Apikey}");
IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService naturalLanguageClassifier = new IBM.Watson.NaturalLanguageClassifier.v1.NaturalLanguageClassifierService(authenticator);
naturalLanguageClassifier.SetServiceUrl($"{requestBody.Endpoint}");
result = naturalLanguageClassifier.DeleteClassifier(
classifierId: requestBody.ModelId
).Result;
return(result);
}
catch (Exception e)
{
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {JsonConvert.SerializeObject(requestBody)}");
Log.Write(appSettings, LogEnum.ERROR.ToString(), label, className, methodName, $"ERROR: {e.Source + Environment.NewLine + e.Message + Environment.NewLine + e.StackTrace}");
throw e;
}
}
