[chore:] logging for ResultWindow.axaml.cs

DataStore/Settings.cs

@@ -45,9 +45,8 @@ public class Settings
         }
         catch (Exception ex)
         {
-            Console.WriteLine(ex.Message);
+            Logger.Log($"Error while reading settings. Generating new... {ex.Message}", Logger.LogType.Warning);
-            Console.WriteLine(ex.StackTrace);
+
-            Console.WriteLine("Error while reading settings. Generating new...");
             _instance = new Settings();
         }
     }
@@ -123,9 +122,7 @@ public class Global
         }
         catch (Exception ex)
         {
-            Console.WriteLine(ex.Message);
+            Logger.Log($"Error while reading global settings. Generating new... {ex.Message}", Logger.LogType.Warning);
-            Console.WriteLine(ex.StackTrace);
-            Console.WriteLine("Error while reading global settings. Generating new...");
             _instance = new Global();
             Save();
         }

Logger.cs

@@ -0,0 +1,40 @@
+using System;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace Logof_Client;
+
+public static class Logger
+{
+    public static void Log(string text, LogType logType = LogType.Info)
+    {
+        try
+        {
+            string config_path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient");
+            if (!Directory.Exists(config_path))
+                Directory.CreateDirectory(config_path);
+
+            string log_path = Path.Combine(config_path, $"log-{DateTime.Now:dd-MM-yy}.log");
+            if(!File.Exists(log_path))
+                File.Create(log_path).Close();
+
+            string line = $"[{DateTime.Now:dd.MM.yyyy - hh:mm:ss}]: ({logType.ToString()}) {text}";
+            Console.WriteLine(line);
+            
+            File.AppendAllLines(log_path, [line]);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex);
+        }
+        
+    }
+
+    public enum LogType
+    {
+        Error,
+        Warning,
+        Info
+    }
+}

MainWindow.axaml.cs

@@ -24,6 +24,9 @@ public partial class MainWindow : Window
 
     public MainWindow()
     {
+        Logger.Log("Welcome to logofclient");
+        Logger.Log($"Session on {DateTime.Now:G}");
+        Logger.Log("Initializing...");
         InitializeComponent();
         //Hide();
         
@@ -32,6 +35,7 @@ public partial class MainWindow : Window
 
         _instance = this;
         WindowState = WindowState.Maximized;
+        Logger.Log("Loading settings...");
         Global.Load();
         Settings.Load();
         LoadPdfExportOptions();
@@ -40,6 +44,7 @@ public partial class MainWindow : Window
         RefreshCountryView();
 
         // Initialize wiki integration
+        Logger.Log("Building wiki...");
         _wikiService = new WikiService();
         try
         {
@@ -54,8 +59,9 @@ public partial class MainWindow : Window
                 if (!string.IsNullOrWhiteSpace(Global._instance.wiki_storage_path))
                     TbWikiPath.Text = Global._instance.wiki_storage_path;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting paths: {ex.Message}", Logger.LogType.Error);
             }
 
             try
@@ -64,12 +70,14 @@ public partial class MainWindow : Window
                 BtnFontPath.Click += BtnFontPath_Click;
                 BtnConfigPath.Click += BtnConfigPath_Click;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while adding click functions?: {ex.Message}", Logger.LogType.Error);
             }
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while doing wiki stuff: {ex.Message}", Logger.LogType.Error);
         }
 
         //Thread.Sleep(3000);
@@ -121,23 +129,6 @@ public partial class MainWindow : Window
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
     
-    // private async void StartAddressRepair(Uri path)
-    // {
-    //     var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
-    //     var progressWindow = new ProgressWindow();
-    //
-    //     progressWindow.Show(_instance);
-    //
-    //     var processor = new AddressRepair(progressWindow);
-    //     //var result = await processor.Perform(addresses.Item2, errors);
-    //
-    //
-    //     progressWindow.Close();
-    //
-    //
-    //     //new ResultWindow(result, addresses.Item2).Show();
-    //     //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
-    // }
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
     {
@@ -156,7 +147,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -172,7 +163,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -188,7 +179,7 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -232,9 +223,9 @@ public partial class MainWindow : Window
                 var rendered = MarkdownRenderer.Render(text ?? string.Empty);
                 PreviewPanel.Children.Add(rendered);
             }
-            catch
+            catch (Exception ex)
             {
-                // fallback: plain text
+                Logger.Log($"Error while rendering markdown: {ex.Message}", Logger.LogType.Error);
                 PreviewPanel.Children.Clear();
                 PreviewPanel.Children.Add(new TextBlock { Text = text ?? string.Empty });
             }
@@ -249,6 +240,8 @@ public partial class MainWindow : Window
     }
 
     public void PopulateNavTree(string? expandToPath = null, string? selectPath = null)
+    {
+        try
         {
             var roots = _wikiService.GetRootItems();
             var nodes = new List<TreeViewItem>();
@@ -262,6 +255,10 @@ public partial class MainWindow : Window
                 ExpandAndFindNode(nodes, selectPath, out var selectedNode) &&
                 selectedNode != null)
                 NavTree.SelectedItem = selectedNode;
+        }catch (Exception ex)
+        {
+            Logger.Log($"Error while populating nav tree: {ex.Message}", Logger.LogType.Error);
+        }
     }
 
     private TreeViewItem BuildNode(WikiItem item)
@@ -275,6 +272,8 @@ public partial class MainWindow : Window
     }
 
     private string GetSelectedWikiTargetDirectory()
+    {
+        try
         {
             var wikiRoot = Global._instance.wiki_storage_path;
             if (NavTree.SelectedItem is TreeViewItem treeItem && treeItem.Tag is WikiItem selectedItem)
@@ -284,8 +283,13 @@ public partial class MainWindow : Window
                 var parentDir = Path.GetDirectoryName(selectedItem.Path);
                 if (!string.IsNullOrWhiteSpace(parentDir)) return parentDir;
             } 
-
             return wikiRoot;
+        }catch (Exception ex)
+        {
+            Logger.Log($"Error while getting selected wiki target directory: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
     }
 
     private static bool PathsEqual(string left, string right)
@@ -344,8 +348,9 @@ public partial class MainWindow : Window
                 UseShellExecute = true
             });
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while starting process: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -443,8 +448,9 @@ public partial class MainWindow : Window
         {
             LstSettingsCustomers.SelectedIndex = LstSettingsCustomers.Items.Count - 1;
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -515,17 +521,25 @@ public partial class MainWindow : Window
         {
             LstSettingsCustomers.SelectedIndex = index;
         }
-        catch
+        catch (Exception ex)
         {
+            Logger.Log($"Error while setting selected index: {ex.Message}", Logger.LogType.Error);
         }
     }
 
     private void TbSettingsCustomerDescription_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        try
         {
             if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
                     foreach (var customer in Settings._instance.customers.customers)
                         if (customer.ID == Settings._instance.customers.current.ID)
                             customer.description = TbSettingsCustomerDescription.Text;
+        } catch (Exception ex)
+        {
+            Logger.Log($"Error while changing customer description: {ex.Message}", Logger.LogType.Error);
+        }
+        
         //Settings.Save();
     }
 
@@ -544,6 +558,8 @@ public partial class MainWindow : Window
     }
 
     private async void BtnCustomerAddressSetImport_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             MakeCalcManVisible();
              var opts = new FilePickerOpenOptions();
@@ -602,6 +618,13 @@ public partial class MainWindow : Window
      
      
              Settings.Save();
+            
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing: {ex.Message}", Logger.LogType.Error);
+        }
+        
     }
 
     public void RefreshAddressSetListItems(int customer_id)
@@ -646,6 +669,8 @@ public partial class MainWindow : Window
     }
 
     private async void BtnSettingsImportCustomerAddressPatch_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
         {
             if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
             
@@ -672,6 +697,11 @@ public partial class MainWindow : Window
     
     
             Settings.Save();
+        } catch (Exception ex)
+        {
+            Logger.Log($"Error while importing customer address patch: {ex.Message}", Logger.LogType.Error);
+        }
+        
     }
 
     private void TbSettingsCustomerCsvSeparator_OnTextChanged(object? sender, TextChangedEventArgs e)
@@ -689,11 +719,14 @@ public partial class MainWindow : Window
                 catch (FormatException ex)
                 {
                     MessageBox.Show(this, "Error while converting: " + ex.Message, "Could not parse");
+                    Logger.Log($"Error while converting: {ex.Message}", Logger.LogType.Error);
                 }
                 catch (Exception ex)
                 {
                     MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+                    Logger.Log($"Error while converting: {ex.Message}", Logger.LogType.Error);
                 }
+
     }
 
     private void BtnCombineDifference_OnClick(object? sender, RoutedEventArgs e)
@@ -704,10 +737,9 @@ public partial class MainWindow : Window
         try
         {
             StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem), "difference", GetCombiningTyp());
-        }
+        }catch (Exception ex)
-        catch
         {
-            
+            Logger.Log($"Error while combining (difference): {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -720,9 +752,9 @@ public partial class MainWindow : Window
         {
             StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "union", GetCombiningTyp());
         }
-        catch
+        catch (Exception ex)
         {
-            
+            Logger.Log($"Error while combining (union): {ex.Message}", Logger.LogType.Error);
         }
         
     }
@@ -736,9 +768,9 @@ public partial class MainWindow : Window
         {
             StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "intersection", GetCombiningTyp());
         }
-        catch
+        catch (Exception ex)
         {
-                
+            Logger.Log($"Error while combining (intersection): {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -815,20 +847,30 @@ public partial class MainWindow : Window
                 Console.WriteLine("PDF OK");
             }
         }
+
         catch (Exception ex)
         {
-            Console.WriteLine(ex);
+            Logger.Log($"Error while generating labels: {ex.Message}", Logger.LogType.Error);
-            File.WriteAllText("crash.txt", ex.ToString());
         }
     }
 
     private void HookPdfExportOptionEvents()
+    {
+        try
         {
             var controls = GetPdfExportControls();
             foreach (var control in controls) control.ValueChanged += PdfExportOption_OnValueChanged;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while hooking pdf export margins: {ex.Message}", Logger.LogType.Error);
+        }
+
+    }
 
     private void LoadPdfExportOptions()
+    {
+        try
         {
             var options = Settings._instance.pdfExport ?? new PdfExportSettings();
 
@@ -847,6 +889,12 @@ public partial class MainWindow : Window
             NudExpMargFontSize.Value = (decimal)options.fontSize;
             NudExpMargSmallFontSize.Value = (decimal)options.smallFontSize;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while loading PDF Export Options: {ex.Message}", Logger.LogType.Error);
+        }
+        
+    }
 
     private void SavePdfExportOptions()
     {
@@ -926,6 +974,7 @@ public partial class MainWindow : Window
 
     public void RefreshCountryView()
     {
+        
         if (_suppressCountryRefresh) return;
         try
         {
@@ -940,8 +989,9 @@ public partial class MainWindow : Window
             {
                 CountryList.Items.Clear();
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while clearing country list: {ex.Message}", Logger.LogType.Error);
             }
 
             foreach (var c in Global._instance.countries) CountryList.Items.Add(c.name);
@@ -949,17 +999,19 @@ public partial class MainWindow : Window
             {
                 CountryList.SelectedIndex = country_index;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
             }
 
             try
             {
                 _selectedCountry = Country.GetByName(CountryList.SelectedItems[0].ToString());
             }
-            catch
+            catch (Exception ex)
             {
                 _selectedCountry = null;
+                Logger.Log($"Error while getting country: {ex.Message}", Logger.LogType.Error);
             }
 
             if (_selectedCountry == null) return;
@@ -973,8 +1025,9 @@ public partial class MainWindow : Window
             {
                 LbSettingsAlternatives.SelectedIndex = alt_index;
             }
-            catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while setting selected item: {ex.Message}", Logger.LogType.Error);
             }
         }
         finally
@@ -990,9 +1043,9 @@ public partial class MainWindow : Window
             {
                 _selectedCountry.alternatives.Remove(selected.ToString());
             }
-            catch
+            catch (Exception ex)
             {
-                Console.WriteLine("Error while removing country alternative");
+                Logger.Log($"Error while removing alternatives: {ex.Message}", Logger.LogType.Error);
             }
 
         RefreshCountryView();
@@ -1067,6 +1120,7 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, ex.StackTrace, "Fehler");
+            Logger.Log($"Error while adding wiki file: {ex.Message}", Logger.LogType.Error);
         }
     }
     
@@ -1090,6 +1144,7 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, ex.StackTrace, "Fehler");
+            Logger.Log($"Error while adding wiki folder: {ex.Message}", Logger.LogType.Error);
         }
     }
 
@@ -1116,12 +1171,12 @@ public partial class MainWindow : Window
                     curr_set.Name = result;
                     Settings.Save();
                     RefreshAddressSetListItems(cus_id);
-                    return;
                 }
             }
             catch (Exception ex)
             {
                 MessageBox.Show(this, ex.StackTrace, "Fehler");
+                Logger.Log($"Error while renaming address set: {ex.Message}", Logger.LogType.Error);
             }
     }
 
@@ -1135,6 +1190,7 @@ public partial class MainWindow : Window
         catch (Exception ex)
         {
             MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+            Logger.Log($"Error while deleting customer: {ex.Message}", Logger.LogType.Error);
         }
         RefreshCustomerItems();
     }
@@ -1161,9 +1217,9 @@ public partial class MainWindow : Window
             TbSettingsCustomerCsvSeparator.Text = div;
             Settings.Save();
         }
-        catch
+        catch (Exception ex)
         {
-            Console.WriteLine("Error while parsing");
+            Logger.Log($"Error while changing CSV divider: {ex.Message}", Logger.LogType.Error);
         }
          
     }

NamingWindow.axaml.cs

@@ -52,7 +52,7 @@ public partial class NamingWindow : Window
         }
         catch (Exception ex)
         {
-            Console.WriteLine("Error while showing naming window: " + ex.Message);
+            Logger.Log("Error while showing naming window: " + ex.Message, Logger.LogType.Warning);
             return Task.FromResult<string>(null!);
         }
     }

ResultWindow.axaml.cs

@@ -28,6 +28,10 @@ public partial class ResultWindow : Window
 
     private void GenerateView(List<KasPerson> result)
     {
+        try
+        {
+
+
             // Filter to only show persons with errors
             var result_with_errors = result.Where(p => p.PersonError != null).ToList();
             LblResultCount.Content = $"{result_with_errors.Count}/{ur_result.Count} Ergebnisse";
@@ -39,6 +43,11 @@ public partial class ResultWindow : Window
             // StkResults.Children.Clear();
             // foreach (var person in result_with_errors) StkResults.Children.Add(CreatePersonGrid(person));
         }
+        catch (Exception ex)
+        {
+            Logger.Log("Error while generating result view: " + ex.Message, Logger.LogType.Warning);
+        }
+    }
 
     private Grid CreatePersonGrid(KasPerson person)
     {
@@ -105,6 +114,8 @@ public partial class ResultWindow : Window
     }
 
     private void Load(List<KasPerson> result)
+    {
+        try
         {
             var knownErrors = new List<AddressCheck.ErrorTypes>();
             var knownWarnings = new List<AddressCheck.WarningTypes>();
@@ -145,12 +156,20 @@ public partial class ResultWindow : Window
 
             GenerateView(result);
         }
+        catch (Exception ex)
+        {
+            Logger.Log("Error while showing naming window: " + ex.Message, Logger.LogType.Warning);
+        }
+        
+    }
 
     private void BtnUpdateFilter_OnClick(object? sender, RoutedEventArgs e)
     {
     }
 
     private void UpdateFilter()
+    {
+        try
         {
             var temp_result = new List<KasPerson>();
 
@@ -211,6 +230,11 @@ public partial class ResultWindow : Window
         // foreach (var person in temp_result) TbResults.Text += person.PersonError.GetString() +"\n";
         // StkResults.Children.Clear();
         // foreach (var person in temp_result) StkResults.Children.Add(CreatePersonGrid(person));
+        } catch (Exception ex)
+        {
+            Logger.Log("Error while updating filter: " + ex.Message, Logger.LogType.Warning);
+        }
+        
     }
 
 

Tasks/AddressCheck.cs

@@ -38,6 +38,8 @@ public class AddressCheck
     }
 
     public async Task<List<KasPerson>> Perform(int id)
+    {
+        try
         {
             // Find the index of the address set with the given id
             var adset_index = -1;
@@ -238,7 +240,8 @@ public class AddressCheck
                             // Directly set PersonError in the address set
                             var person_index = adset.KasPersons.IndexOf(person);
                             if (person_index >= 0)
-                            Settings._instance.addressSets.addresses[adset_index].KasPersons[person_index].PersonError =
+                                Settings._instance.addressSets.addresses[adset_index].KasPersons[person_index]
+                                        .PersonError =
                                     new KasPersonError((errors, warnings));
                         }
 
@@ -248,7 +251,8 @@ public class AddressCheck
                     await Dispatcher.UIThread.InvokeAsync(() =>
                     {
                         if (hasFaults)
-                        _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft", Convert.ToInt32(percent).ToString());
+                            _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft",
+                                Convert.ToInt32(percent).ToString());
 
                         _progress.ChangePercentage(percent);
                     });
@@ -261,5 +265,14 @@ public class AddressCheck
             return Settings._instance.addressSets.addresses[adset_index].KasPersons
                 .Where(p => p.PersonError != null)
                 .ToList();
+
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address check: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+    }
+
 }

Tasks/AddressCreation.cs

@@ -43,7 +43,8 @@ public static class AddressCreator
     public static string? CreateFinalMarkdownString(int id)
     {
         // Maximum seven lines of information
-
+        try
+        {
             // find the address
                     KasPerson? address = null;
                     var string_address = "";
@@ -197,9 +198,18 @@ public static class AddressCreator
                     if (address_line_count > 1) return string_address;
                     return null;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while creating markdown string: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     public static string CreateNameLine(string anredezus, string anrede, string titel, string vorname, string adel,
         string name, string namezus)
+    {
+        try
         {
             if (!string.IsNullOrWhiteSpace(anredezus))
                     return string.Join(" ",
@@ -215,6 +225,14 @@ public static class AddressCreator
                    )
                    + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})");
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address name line creation: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+        
+    }
 
     /// <summary>
     ///     Returns true if a plz (or pplz) is valid
@@ -223,6 +241,8 @@ public static class AddressCreator
     /// <param name="land">country, to check the plz</param>
     /// <returns>true or faslse, depending on result :+1:</returns>
     public static bool CheckPLZ(string plz, string land)
+    {
+        try
         {
             if (string.IsNullOrWhiteSpace(plz)) return false;
             
@@ -249,4 +269,12 @@ public static class AddressCreator
             // For non-German countries, accept any non-empty postal code
             return true;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address plz check: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return false;
+        
+    }
 }

Tasks/AddressPatch.cs

@@ -3,6 +3,7 @@ using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+using Logof_Client;
 
 public class AddressPatch
 {
@@ -57,6 +58,8 @@ public class AddressPatch
     public bool has_funktionad { get; set; }
 
     public static AddressPatch Import(Uri filename)
+    {
+        try
         {
             var patch = new AddressPatch();
             
@@ -92,9 +95,20 @@ public class AddressPatch
             
                     return patch;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing address patch: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return null;
+
+
+    }
 
 
     public override string ToString()
+    {
+        try
         {
             var properties = GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
                     var stringProps = properties.Where(p => p.PropertyType == typeof(string) && p.Name.EndsWith("_is"));
@@ -115,4 +129,12 @@ public class AddressPatch
             
                     return lines.ToString().TrimEnd();
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while parsing: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return "Error while parsing";
+        
+    }
 }

Tasks/AddressRepair.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 
 namespace Logof_Client;
@@ -9,15 +10,16 @@ public class AddressRepair(ProgressWindow progressWindow)
     public KasAddressList Perform(KasAddressList all_addresses,
         List<(int, List<AddressCheck.ErrorTypes>)> failed_addresses)
     {
-        // foreach (var k in all_addresses.KasPersons)
+        try
-        // foreach (var p in failed_addresses)
+        {
-        // {
+            
-        //     if (k.refsid != p.Item1) continue;
+        }
-        //
+        catch (Exception ex)
-        //     if (p.Item1.Contains(AddressCheck.WarningTypes.DoubledRefsid))
+        {
-        //     {
+            Logger.Log($"Error while performing address repair: {ex.Message}", Logger.LogType.Error);
-        //     }
+        }
-        // }
+
+        return null;
 
         return null;
     }

Tasks/AddressShortener.cs

@@ -12,7 +12,8 @@ public class AddressShortener(ProgressWindow progressWindow)
 
     public async Task Perform(KasAddressList list)
     {
-        // find doubled addresses by refsid
+        try
+        {
             List<int> doubled_ids = new List<int>();
                     for (int i = 0; i < list.KasPersons.Count; i++)
                     {
@@ -73,7 +74,11 @@ public class AddressShortener(ProgressWindow progressWindow)
                         // does this remove both of the doubled addresses?
                         list.KasPersons.Remove(list.KasPersons.Find(x => x.id == id));
                     }
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address shortener: {ex.Message}", Logger.LogType.Error);
+        }
         
-        //return null;
     }
 }

Tasks/CombineAddresses.cs

@@ -25,6 +25,8 @@ public class CombineAddresses
 
     public async Task<(KasAddressList, KasAddressList)> Perform(List<KasAddressList> address_lists, string type, CombineType comb_type,
         bool? exportUnused, bool? deleteOld)
+    {
+        try
         {
             var result = await Execute(address_lists,type,comb_type,exportUnused);
             
@@ -37,11 +39,21 @@ public class CombineAddresses
                     }
             
                     return result;
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing address combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
 
     }
 
     private async Task<(KasAddressList, KasAddressList)> Execute(List<KasAddressList> address_lists, string type, CombineType comb_type,
         bool? exportUnused)
+    {
+        try
         {
             if (type == "difference") return await Difference(address_lists, comb_type, exportUnused);
             if (type == "union") return await Union(address_lists, comb_type, exportUnused);
@@ -49,6 +61,14 @@ public class CombineAddresses
             if (type == "symdiff") return await SymmetricDifference(address_lists, comb_type, exportUnused);
             return (null, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while executing address combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     /// <summary>
@@ -60,6 +80,7 @@ public class CombineAddresses
     /// <returns></returns>
     public bool CompareAddresses(KasPerson first, KasPerson second, CombineType comb_type)
     {
+        
         // A refsid of 0 means "missing", so it must not collapse unrelated entries.
         if(comb_type == CombineType.refsid)
             if (first.refsid != 0 && second.refsid != 0 && first.refsid == second.refsid) return true;
@@ -95,6 +116,8 @@ public class CombineAddresses
     public async Task<(KasAddressList, KasAddressList)> Difference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused,
         Progress? progress = null)
+    {
+        try
         {
             if (address_lists == null || address_lists.Count == 0)
                 return (new KasAddressList(await KasAddressList.GenerateName("difference")), null);
@@ -133,10 +156,20 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing difference-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<(KasAddressList, KasAddressList)> Union(List<KasAddressList> address_lists, CombineType comb_type, bool? return_unused,
         Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("union"));
             var second_result = new KasAddressList("none");
@@ -172,6 +205,14 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing union-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<KasAddressList> MoveDuplicatesToNew()
@@ -181,6 +222,8 @@ public class CombineAddresses
 
     public async Task<(KasAddressList, KasAddressList)> Intersection(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("intersection"));
             var second_result = new KasAddressList("none");
@@ -225,10 +268,20 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing intersection-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
 
 
     public async Task<(KasAddressList, KasAddressList)> SymmetricDifference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
+    {
+        try
         {
             var result = new KasAddressList(await KasAddressList.GenerateName("symmetric_difference"));
             var second_result = new KasAddressList("none");
@@ -284,6 +337,14 @@ public class CombineAddresses
             if (return_unused == true) return (result, second_result);
             return (result, null);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while performing symdiff-combining: {ex.Message}", Logger.LogType.Error);
+        }
+
+        return (null,null);
+        
+    }
     
 }