Add MaturingItemManager.cs

src/Core/ProposedCode/MaturingItemManager.cs

@@ -0,0 +1,39 @@
+//-----------------------------------------------------------------------
+// <copyright file="MaturingItemManager.cs" company="KsiProgramming">
+//     Copyright (c) KsiProgramming. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace GildedRoseKata.ProposedCode
+{
+    using GildedRoseKata.OriginalCode;
+
+    public class MaturingItemManager
+    {
+        private readonly IDictionary<string, IItemMaturingStrategy> strategies;
+
+        public MaturingItemManager(IDictionary<string, IItemMaturingStrategy> strategies)
+        {
+            this.strategies = strategies;
+        }
+
+        public Item MatureItem(Item item)
+        {
+            if (this.strategies.TryGetValue(item.Name, out var strategy))
+            {
+                var request = new ItemMaturingRequest(new Quality(item.Quality), new SellIn(item.SellIn));
+                var response = strategy.Update(request);
+
+                return new ()
+                {
+                    Name = item.Name,
+                    Quality = response.quality.value,
+                    SellIn = response.sellIn.value,
+                };
+            }
+
+            // Handle case where item type doesn't have a strategy
+            return item;
+        }
+    }
+}