return parsed card when setting

AMNet.Server/CardPresenter.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Globalization;
+using System.Linq;
 
 namespace AMNet.Server;
 
@@ -14,6 +15,8 @@ public class CardPresenter
     public record StoredCard(byte[] Value, string OriginalValue, long ExpiresAt)
     {
         public bool Expired => Environment.TickCount64 >= ExpiresAt;
+
+        public override string ToString() => string.Join(" ", Enumerable.Range(0, 5).Select(x => OriginalValue.Substring(x * 4, 4)));
     }
 
     /// <summary>
@@ -44,10 +47,10 @@ public class CardPresenter
     /// <param name="cardId">The card id to set</param>
     /// <param name="validFor">How long the card should be presented to the game for in milliseconds</param>
     /// <returns>Whether the card was set successfully</returns>
-    public bool SetCard(string cardId, long validFor = 5000)
+    public StoredCard SetCard(string cardId, long validFor = 5000)
     {
         // ensure the matrix code is 20-digits long, otherwise pad with zeros
-        var matrixCode = cardId.PadLeft(20, '0');
+        var matrixCode = cardId.Replace(" ", "").PadLeft(20, '0');
         var bytes = new byte[10];
 
         for (var i = 0; i < bytes.Length; i++)
@@ -59,15 +62,17 @@ public class CardPresenter
             }
             else
             {
-                return false;
+                return null;
             }
         }
+        
+        var card = new StoredCard(bytes, matrixCode, Environment.TickCount64 + validFor);
 
         lock (_cardLock)
         {
-            _currentCard = new StoredCard(bytes, matrixCode, Environment.TickCount64 + validFor);
+            _currentCard = card;
         }
 
-        return true;
+        return card;
     }
 }

AMNet.Server/WebServer.cs

@@ -1,11 +1,5 @@
 using System;
-using System.Collections;
-using System.Collections.Generic;
 using System.Globalization;
-using System.Linq;
-using System.Net;
-using System.Net.NetworkInformation;
-using System.Net.Sockets;
 using System.Text.Json;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Builder;
@@ -107,7 +101,7 @@ internal static class WebServer
             return;
         }
 
-        if (cardPresenter.SetCard(request.MatrixCode))
+        if (cardPresenter.SetCard(request.MatrixCode) != null)
         {
             ctx.Response.StatusCode = 202;
         }