diff --git a/csharp.xUnit/GildedRose/GildedRose.cs b/csharp.xUnit/GildedRose/GildedRose.cs
index c08bf5f8..9b37db99 100644
--- a/csharp.xUnit/GildedRose/GildedRose.cs
+++ b/csharp.xUnit/GildedRose/GildedRose.cs
@@ -1,89 +1,25 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 namespace GildedRoseKata;
 
 public class GildedRose
 {
-    IList<Item> Items;
+    private readonly IList<Item> _items;
+    private readonly IItemUpdaterFactory _factory;
 
-    public GildedRose(IList<Item> Items)
+    public GildedRose(IList<Item> items) : this(items, ItemUpdaterFactory.Default())
     {
-        this.Items = Items;
+    }
+
+    public GildedRose(IList<Item> items, IItemUpdaterFactory factory)
+    {
+        _items = items;
+        _factory = factory;
     }
 
     public void UpdateQuality()
     {
-        for (var i = 0; i < Items.Count; i++)
-        {
-            if (Items[i].Name != "Aged Brie" && Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
-            {
-                if (Items[i].Quality > 0)
-                {
-                    if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
-                    {
-                        Items[i].Quality = Items[i].Quality - 1;
-                    }
-                }
-            }
-            else
-            {
-                if (Items[i].Quality < 50)
-                {
-                    Items[i].Quality = Items[i].Quality + 1;
-
-                    if (Items[i].Name == "Backstage passes to a TAFKAL80ETC concert")
-                    {
-                        if (Items[i].SellIn < 11)
-                        {
-                            if (Items[i].Quality < 50)
-                            {
-                                Items[i].Quality = Items[i].Quality + 1;
-                            }
-                        }
-
-                        if (Items[i].SellIn < 6)
-                        {
-                            if (Items[i].Quality < 50)
-                            {
-                                Items[i].Quality = Items[i].Quality + 1;
-                            }
-                        }
-                    }
-                }
-            }
-
-            if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
-            {
-                Items[i].SellIn = Items[i].SellIn - 1;
-            }
-
-            if (Items[i].SellIn < 0)
-            {
-                if (Items[i].Name != "Aged Brie")
-                {
-                    if (Items[i].Name != "Backstage passes to a TAFKAL80ETC concert")
-                    {
-                        if (Items[i].Quality > 0)
-                        {
-                            if (Items[i].Name != "Sulfuras, Hand of Ragnaros")
-                            {
-                                Items[i].Quality = Items[i].Quality - 1;
-                            }
-                        }
-                    }
-                    else
-                    {
-                        Items[i].Quality = Items[i].Quality - Items[i].Quality;
-                    }
-                }
-                else
-                {
-                    if (Items[i].Quality < 50)
-                    {
-                        Items[i].Quality = Items[i].Quality + 1;
-                    }
-                }
-            }
-        }
+        foreach (var item in _items)
+            _factory.Get(item).Update(item);
     }
-}
\ No newline at end of file
+}