From 028b9793db6b68ef37f682959de9e924a58a2739 Mon Sep 17 00:00:00 2001
From: Elias Fierke <fierke@mypapertown.de>
Date: Wed, 6 May 2026 06:33:37 +0200
Subject: [PATCH] [chore:] basic address shortener

---
 Tasks/AddressShortener.cs | 79 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Tasks/AddressShortener.cs

diff --git a/Tasks/AddressShortener.cs b/Tasks/AddressShortener.cs
new file mode 100644
index 0000000..e7451c3
--- /dev/null
+++ b/Tasks/AddressShortener.cs
@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Dataflow;
+
+namespace Logof_Client;
+
+public class AddressShortener(ProgressWindow progressWindow)
+{
+    private readonly ProgressWindow _progress = progressWindow;
+
+    public async Task Perform(KasAddressList list)
+    {
+        // find doubled addresses by refsid
+        List<int> doubled_ids = new List<int>();
+        for (int i = 0; i < list.KasPersons.Count; i++)
+        {
+            var address =  list.KasPersons[i];
+            for (int j = 0; j < list.KasPersons.Count; j++)
+            {
+                if (i == j) continue;
+                var sec_address =  list.KasPersons[j];
+                
+                if (address.refsid == sec_address.refsid && !doubled_ids.Contains(address.refsid) && address.refsid != 0)
+                {
+                    doubled_ids.Add(address.refsid);
+                }
+            }
+        }
+        
+        
+        // delete doubled addresses by refsid
+        foreach (int id in doubled_ids)
+        {
+            // does this remove both of the doubled addresses?
+            list.KasPersons.Remove(list.KasPersons.FirstOrDefault(x => x.refsid == id));
+        }
+
+        List<int> toRemove = new List<int>();
+        foreach (var address in list.KasPersons)
+        {
+            try
+            {
+                if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.NoPLZorPPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+                else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PlzNotUsable) &&
+                         address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PPlzNotUsable))
+                {
+                    toRemove.Add(address.id);
+                } else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PlzNotUsable) &&
+                           address.PersonError.warnings.Contains(AddressCheck.WarningTypes.NoPPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+                else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PPlzNotUsable) &&
+                         address.PersonError.warnings.Contains(AddressCheck.WarningTypes.NoPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+            }
+            catch
+            {
+                Console.WriteLine("PersonError not accessible: " + address.id);
+            }
+        }
+        
+        // delete doubled addresses by refsid
+        foreach (int id in toRemove)
+        {
+            // does this remove both of the doubled addresses?
+            list.KasPersons.Remove(list.KasPersons.Find(x => x.id == id));
+        }
+        
+        //return null;
+    }
+}
\ No newline at end of file