public void Clear()
{
AvailableClasses.Clear();
ClassesImages.Clear();
SelectedClassInfo.Clear();
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("AvailableCLasses"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("CLassesImages"));
}
private async void PostRequest()
{
try
{
var content = new StringContent(JsonConvert.SerializeObject(imageDirectory), Encoding.UTF8, "application/json");
HttpResponseMessage httpResponse;
try
{
httpResponse = await client.PostAsync(url, content, cts.Token);
}
catch (HttpRequestException)
{
await disp.BeginInvoke(new Action(() =>
{
MessageBox.Show("NO CONNECTION", "Warning");
Stop();
}));
return;
}
if (httpResponse.IsSuccessStatusCode)
{
var items = JsonConvert.DeserializeObject <List <RecognitionInfo> >(httpResponse.Content.ReadAsStringAsync().Result);
foreach (var item in items)
{
await disp.BeginInvoke(new Action(() => //await ???
{
ClassesImages.Add(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("ClassesImages"));
Pair <string, int> p;
try
{
p = AvailableClasses.Single(i => i.Item1 == item.Class);
p.Item2 += 1;
}
catch (InvalidOperationException)
{
AvailableClasses.Add(new Pair <string, int>(item.Class, 1));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("AvailableClasses"));
}
}));
}
isRunning = false;
}
}
catch (OperationCanceledException)
{
await disp.BeginInvoke(new Action(() =>
{
MessageBox.Show("RECOGNITION STOPPED", "Warning");
}));
}
}
public ObservableCollection <RecognitionContract> SelectAll(string classlabel) // add collection filter???
{
ObservableCollection <RecognitionContract> res = new ObservableCollection <RecognitionContract>();
if (ClassesImages.Count() == 0)
{
return(res);
}
foreach (var q in ClassesImages)
{
if (q.Class == classlabel)
{
res.Add(q);
}
}
return(res);
}
private async void PostRequest()
{
try
{
//MessageBox.Show(imageDirectory);
var images = from file in Directory.GetFiles(imageDirectory) // пустой путь - throw exception
where file.Contains(".jpg") ||
file.Contains(".jpeg") ||
file.Contains(".png")
select file;
Dictionary <string, string> ToServer = new Dictionary <string, string>();
foreach (var i in images)
{
ToServer.Add(i, Convert.ToBase64String(File.ReadAllBytes(i)));
}
var content = new StringContent(JsonConvert.SerializeObject(ToServer), Encoding.UTF8, "application/json");
HttpResponseMessage httpResponse;
try
{
httpResponse = await client.PostAsync(url, content, cts.Token);
}
catch (HttpRequestException)
{
await disp.BeginInvoke(new Action(() =>
{
MessageBox.Show("NO CONNECTION", "Warning");
Stop();
}));
return;
}
if (httpResponse.IsSuccessStatusCode)
{
var items = JsonConvert.DeserializeObject <List <RecognitionContract> >(httpResponse.Content.ReadAsStringAsync().Result);
foreach (var item in items)
{
await disp.BeginInvoke(new Action(() => //await ???
{
ClassesImages.Add(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("ClassesImages"));
Pair <string, int> p;
try
{
p = AvailableClasses.Single(i => i.Item1 == item.Class);
p.Item2 += 1;
}
catch (InvalidOperationException)
{
AvailableClasses.Add(new Pair <string, int>(item.Class, 1));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("AvailableClasses"));
}
}));
}
isRunning = false;
}
}
catch (OperationCanceledException)
{
await disp.BeginInvoke(new Action(() =>
{
MessageBox.Show("RECOGNITION STOPPED", "Warning");
}));
}
}
