/// <summary>
/// Check the sentiment
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btnSentiment_Click(object sender, EventArgs e)
{
if (!PerformValidation())
{
return;
}
// Prepare json payload of the documents
RequestDocument doc = new RequestDocument();
doc.language = "en";
doc.id = "1001";
// read the text from the file we specified
doc.text = System.IO.File.ReadAllText(FileName);
List <RequestDocument> lstDocs = new List <RequestDocument>();
lstDocs.Add(doc);
RequestRootObject ro = new RequestRootObject();
ro.documents = lstDocs;
// text to be analysed
StringContent strPayload = new StringContent(JsonConvert.SerializeObject(ro), Encoding.UTF8, "application/json");
// Detect sentiment:
var uri = "text/analytics/v2.0/sentiment";
var response = await CallEndpoint(httpClientObj, uri, await strPayload.ReadAsByteArrayAsync());
ResponseRootObject responseAsJson = JsonConvert.DeserializeObject <ResponseRootObject>(response);
rtbOutput.Text = string.Empty;
rtbOutput.AppendText("Detected sentiment in 0-1 range,where 0 is negative and 1 is positive is:" + responseAsJson.documents[0].score);
}
private async void btnLanguageDetection_Click(object sender, EventArgs e)
{
if (!PerformValidation())
{
return;
}
// Prepare json payload of the documents
RequestDocument doc = new RequestDocument();
doc.language = "en";
doc.id = "1001";
// read the text from the file we specified
doc.text = System.IO.File.ReadAllText(FileName);
List <RequestDocument> lstDocs = new List <RequestDocument>();
lstDocs.Add(doc);
RequestRootObject ro = new RequestRootObject();
ro.documents = lstDocs;
// text to be analysed
StringContent strPayload = new StringContent(JsonConvert.SerializeObject(ro), Encoding.UTF8, "application/json");
// Detect language:
var queryString = HttpUtility.ParseQueryString(string.Empty);
queryString["numberOfLanguagesToDetect"] = NumLanguages.ToString(CultureInfo.InvariantCulture);
var uri = "text/analytics/v2.0/languages?" + queryString;
var response = await CallEndpoint(httpClientObj, uri, await strPayload.ReadAsByteArrayAsync());
ResponseRootObject responseAsJson = JsonConvert.DeserializeObject <ResponseRootObject>(response);
rtbOutput.Text = string.Empty;
rtbOutput.AppendText("Key phrases of the document are:\n" + String.Join("\n", responseAsJson.documents[0].keyPhrases.Select(p => p.ToString()).ToArray()));
}