Changed Namespaces, Move files

src/Equipment/BeltPortHost.cs

@@ -0,0 +1,49 @@
+namespace FoodFactory.Equipment;
+
+using System;
+using System.Collections.Generic;
+using FoodFactory.Items;
+
+public interface IBeltPortHost
+{
+  IBeltItemInsertLogic ResolveInsertLogic(IBeltPort port);
+}
+public class BeltPortHost : IBeltPortHost
+{
+  private readonly List<(Func<IBeltPort, bool> match, Func<IBeltItemInsertLogic> factory)> _bindings
+    = new();
+
+  public BeltPortHost Bind(
+    Func<IBeltPort, bool> match,
+    Func<IBeltItemInsertLogic> factory)
+  {
+    _bindings.Add((match, factory));
+    return this;
+  }
+  private HashSet<IBeltPort> _ports = [];
+  public IBeltItemInsertLogic? Default;
+
+  /// <summary>
+  /// Resolve the insert logic for a port. If no matching bind exists then the default is returned if supplied. Other wise throws an Exception.
+  /// </summary>
+  /// <param name="port"></param>
+  /// <returns></returns>
+  /// <exception cref="Exception"></exception>
+  public IBeltItemInsertLogic ResolveInsertLogic(IBeltPort port)
+  {
+    _ports.Add(port);
+    foreach (var (match, factory) in _bindings)
+    {
+      if (match(port))
+      {
+        return factory();
+      }
+    }
+    if (Default is null)
+    {
+      throw new Exception($"{nameof(port)} does not have any binding attached that accepts it.");
+    }
+    return Default;
+  }
+  public IEnumerable<IBeltPort> GetPorts() => _ports;
+}