check point

VisionBuilder.UI.Common/ViewModel/StatisticsVM.cs

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+using CommunityToolkit.Mvvm.ComponentModel;
+using System.Text;
+using System.Threading;
+using VisionBuilder.UI.Common.Commands;
+using VisionBuilder.UI.Common.Commands.Interfaces;
+
+
+namespace VisionBuilder.UI.Common.ViewModel;
+
+public partial class StatisticsVM: ObservableObject,IEventHandler<ImageProcessedEvent>, IEventHandler<SessionStartedEvent>
+{
+
+    [ObservableProperty] private string _sessionStarted;
+    [ObservableProperty] private string _recipeName;
+
+    [ObservableProperty] private string _processingTime="";
+
+    [ObservableProperty] private int _good;
+    [ObservableProperty] private int _bad;
+    [ObservableProperty] private int _total;
+
+    [ObservableProperty] private string _statisticsDetails="";
+
+    private readonly Dictionary<string, int> _errorTypes = new();
+
+    public void Handle(ImageProcessedEvent @event)
+    {
+
+        RecipeName= @event.RecipeName;
+
+        Total++;
+
+        if (!@event.HasError)
+        {
+            Good++;
+            return;
+        }
+        
+        Bad++;
+        foreach (var name in @event.ErrorNames)
+        {
+            _errorTypes[name] = _errorTypes.TryGetValue(name, out var count) ? count + 1 : 1;
+        }
+
+        StatisticsDetails = string.Join(Environment.NewLine, _errorTypes.Select(e => $"{e.Key}: {e.Value}"));
+        ProcessingTime = (int)@event.AnalysisTime.TotalMilliseconds + "ms";
+    }
+
+    public void Handle(SessionStartedEvent @event)
+    {
+        // reset everything
+        _good = 0;
+        _bad = 0;
+        _total = 0;
+        _errorTypes.Clear();
+        SessionStarted = @event.SessionStarted.ToString("yyyy-MM-dd HH:mm:ss");
+    }
+}