[feat:] filtering feature for result window

ResultWindow.axaml.cs

@@ -1,20 +1,68 @@
+using System;
 using System.Collections.Generic;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 
 namespace Logof_Client;
 
 public partial class ResultWindow : Window
 {
+    public List<CheckBox> errortypecheckboxes = new();
+    public List<(int, List<AddressCheck.ErrorTypes>)> ur_result;
+
     public ResultWindow(List<(int, List<AddressCheck.ErrorTypes>)> result)
     {
         InitializeComponent();
-        GenerateView(result);
+        Load(result);
+        ur_result = result;
     }
 
     private void GenerateView(List<(int, List<AddressCheck.ErrorTypes>)> result)
     {
         var errors = new List<KasPersonError>();
         foreach (var single_result in result) errors.Add(new KasPersonError(single_result));
+
+        DgResult.ItemsSource = errors;
+    }
+
+    private void Load(List<(int, List<AddressCheck.ErrorTypes>)> result)
+    {
+        var knownErrors = new List<AddressCheck.ErrorTypes>();
+
+        foreach (var single_result in result)
+        foreach (var errtyp in single_result.Item2)
+            if (!knownErrors.Contains(errtyp))
+                knownErrors.Add(errtyp);
+
+        foreach (var errtype in knownErrors)
+        {
+            var cb = new CheckBox();
+            cb.IsChecked = true;
+            cb.Content = errtype.ToString();
+            errortypecheckboxes.Add(cb);
+            StpFilterOptions.Children.Add(cb);
+        }
+
+        GenerateView(result);
+    }
+
+    private void BtnUpdateFilter_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var temp_result = new List<(int, List<AddressCheck.ErrorTypes>)>();
+        var checked_types = new List<AddressCheck.ErrorTypes>();
+        foreach (var cb in errortypecheckboxes)
+            if (cb.IsChecked == true)
+                checked_types.Add(
+                    (AddressCheck.ErrorTypes)Enum.Parse(typeof(AddressCheck.ErrorTypes), cb.Content.ToString()));
+
+        foreach (var sres in ur_result)
+        foreach (var err in sres.Item2)
+            if (checked_types.Contains(err))
+                temp_result.Add(sres);
+
+        var errors = new List<KasPersonError>();
+        foreach (var single_result in temp_result) errors.Add(new KasPersonError(single_result));
+
         DgResult.ItemsSource = errors;
     }
 }