public static TextAnalysisResult AnalyzeText(string inputText)
{
KeyValueConfigurationCollection confCollection = configManager.AppSettings.Settings;
string accountKey = confCollection["TextAnalyticsAPIKey"].Value;
KeyPhraseResult keyPhraseResult;
SentimentResult sentimentResult;
if (inputText == null)
{
keyPhraseResult = new KeyPhraseResult();
keyPhraseResult.KeyPhrases = new List <string>();
sentimentResult = new SentimentResult()
{
Score = 0.5
};
}
else
{
using (var httpClient = new HttpClient())
{
string inputTextEncoded = HttpUtility.UrlEncode(inputText);
httpClient.BaseAddress = new Uri(ServiceBaseUri);
string creds = "AccountKey:" + accountKey;
string authorizationHeader = "Basic " + Convert.ToBase64String(Encoding.ASCII.GetBytes(creds));
httpClient.DefaultRequestHeaders.Add("Authorization", authorizationHeader);
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// get key phrases
string keyPhrasesRequest = "data.ashx/amla/text-analytics/v1/GetKeyPhrases?Text=" + inputTextEncoded;
Task <HttpResponseMessage> responseTask = httpClient.GetAsync(keyPhrasesRequest);
responseTask.Wait();
HttpResponseMessage response = responseTask.Result;
Task <string> contentTask = response.Content.ReadAsStringAsync();
contentTask.Wait();
string content = contentTask.Result;
if (!response.IsSuccessStatusCode)
{
throw new Exception("Call to get key phrases failed with HTTP status code: " +
response.StatusCode + " and contents: " + content);
}
keyPhraseResult = JsonConvert.DeserializeObject <KeyPhraseResult>(content);
Console.WriteLine("Key phrases: " + string.Join(",", keyPhraseResult.KeyPhrases));
// get sentiment
string sentimentRequest = "data.ashx/amla/text-analytics/v1/GetSentiment?Text=" + inputTextEncoded;
responseTask = httpClient.GetAsync(sentimentRequest);
responseTask.Wait();
response = responseTask.Result;
contentTask = response.Content.ReadAsStringAsync();
contentTask.Wait();
content = contentTask.Result;
if (!response.IsSuccessStatusCode)
{
throw new Exception("Call to get sentiment failed with HTTP status code: " +
response.StatusCode + " and contents: " + content);
}
sentimentResult = JsonConvert.DeserializeObject <SentimentResult>(content);
Console.WriteLine("Sentiment score: " + sentimentResult.Score);
}
}
TextAnalysisResult result = new TextAnalysisResult()
{
KeyPhrases = keyPhraseResult.KeyPhrases,
Score = sentimentResult.Score
};
return(result);
}
public static TextAnalysisResult AnalyzeText(string inputText)
{
KeyValueConfigurationCollection confCollection = configManager.AppSettings.Settings;
string accountKey = confCollection["TextAnalyticsAPIKey"].Value;
KeyPhraseResult keyPhraseResult;
SentimentResult sentimentResult;
if (inputText == null)
{
keyPhraseResult = new KeyPhraseResult();
keyPhraseResult.KeyPhrases = new List<string>();
sentimentResult = new SentimentResult() { Score = 0.5 };
}
else using (var httpClient = new HttpClient())
{
string inputTextEncoded = HttpUtility.UrlEncode(inputText);
httpClient.BaseAddress = new Uri(ServiceBaseUri);
string creds = "AccountKey:" + accountKey;
string authorizationHeader = "Basic " + Convert.ToBase64String(Encoding.ASCII.GetBytes(creds));
httpClient.DefaultRequestHeaders.Add("Authorization", authorizationHeader);
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// get key phrases
string keyPhrasesRequest = "data.ashx/amla/text-analytics/v1/GetKeyPhrases?Text=" + inputTextEncoded;
Task<HttpResponseMessage> responseTask = httpClient.GetAsync(keyPhrasesRequest);
responseTask.Wait();
HttpResponseMessage response = responseTask.Result;
Task<string> contentTask = response.Content.ReadAsStringAsync();
contentTask.Wait();
string content = contentTask.Result;
if (!response.IsSuccessStatusCode)
{
throw new Exception("Call to get key phrases failed with HTTP status code: " +
response.StatusCode + " and contents: " + content);
}
keyPhraseResult = JsonConvert.DeserializeObject<KeyPhraseResult>(content);
Console.WriteLine("Key phrases: " + string.Join(",", keyPhraseResult.KeyPhrases));
// get sentiment
string sentimentRequest = "data.ashx/amla/text-analytics/v1/GetSentiment?Text=" + inputTextEncoded;
responseTask = httpClient.GetAsync(sentimentRequest);
responseTask.Wait();
response = responseTask.Result;
contentTask = response.Content.ReadAsStringAsync();
contentTask.Wait();
content = contentTask.Result;
if (!response.IsSuccessStatusCode)
{
throw new Exception("Call to get sentiment failed with HTTP status code: " +
response.StatusCode + " and contents: " + content);
}
sentimentResult = JsonConvert.DeserializeObject<SentimentResult>(content);
Console.WriteLine("Sentiment score: " + sentimentResult.Score);
}
TextAnalysisResult result = new TextAnalysisResult()
{
KeyPhrases = keyPhraseResult.KeyPhrases,
Score = sentimentResult.Score
};
return result;
}
