internal void Classify()
{
try
{
ClassificationResult result = null;
string url = PrepareUrl();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.AutomaticDecompression = DecompressionMethods.GZip;
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
using (Stream stream = response.GetResponseStream())
using (StreamReader reader = new StreamReader(stream))
{
string json = reader.ReadToEnd();
result = JsonConvert.DeserializeObject <ClassificationResult>(json);
}
DoneDelegate?.Invoke(result);
}
catch (Exception ex)
{
ErrorDelegate?.Invoke("Request Error", ex.Message);
}
}
private void done(ClassificationResult result)
{
if (labPrecision.InvokeRequired)
{
SetDoneCallback d = new SetDoneCallback(done);
Invoke(d, new object[] { result });
}
else
{
if (result != null)
{
List <NewsItem> news = new List <NewsItem>();
if (String.IsNullOrEmpty(textData))
{
labPrecision.Text = Math.Round(result.Precision, 4).ToString();
labRecall.Text = Math.Round(result.Recall, 4).ToString();
labF1.Text = Math.Round(result.F1, 4).ToString();
for (int i = 0; i < result.Predictions.Count; i++)
{
string prediction = String.Empty;
if (result.Predictions[i].Count != 0)
{
prediction = string.Join(", ", result.Predictions[i]);
}
string trueLabels = String.Empty;
if (result.TrueLabels[i].Count != 0)
{
trueLabels = string.Join(", ", result.TrueLabels[i]);
}
int correctPredictions = 0;
foreach (string pred in result.Predictions[i])
{
if (result.TrueLabels[i].Contains(pred))
{
correctPredictions++;
}
}
news.Add(new NewsItem(i + 1, result.Text[i], prediction, trueLabels,
correctPredictions, result.TrueLabels[i].Count));
}
}
else
{
labPrecision.Text = "-";
labRecall.Text = "-";
labF1.Text = "-";
string prediction = String.Empty;
if (result.Predictions[0].Count != 0)
{
prediction = string.Join(", ", result.Predictions[0]);
}
news.Add(new NewsItem(1, result.SingleText, prediction, "-"));
}
dataGridView1.DataSource = news;
groupBox2.Enabled = true;
groupBox3.Enabled = true;
picLoader.Hide();
labLoader.Hide();
}
else
{
error("Error", "Something went wrong.");
}
}
}
