added users list on bottom

BinaryDad.Coding/Hubs/CodeHub.cs

@@ -1,13 +1,46 @@
 using Microsoft.AspNetCore.SignalR;
+using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 
 namespace BinaryDad.Coding.Hubs
 {
     public class CodeHub : Hub
     {
+        private static readonly IDictionary<string, User> users = new Dictionary<string, User>(StringComparer.OrdinalIgnoreCase);
+
         public Task UpdateCode(string user, int index, string code)
         {
             return Clients.All.SendAsync("ReceiveCode", user, index, code);
         }
+
+        public async Task SaveName(string name, string color)
+        {
+            users[Context.ConnectionId].Name = name;
+            users[Context.ConnectionId].Color = color;
+
+            await Clients.All.SendAsync("UsersList", users);
+        }
+
+        public override async Task OnConnectedAsync()
+        {
+            users[Context.ConnectionId] = new User
+            {
+                Name = ""
+            };
+
+            await Clients.All.SendAsync("UsersList", users);
+
+            await base.OnConnectedAsync();
+        }
+
+        public override async Task OnDisconnectedAsync(Exception exception)
+        {
+            users.Remove(Context.ConnectionId);
+
+            await Clients.All.SendAsync("UsersList", users);
+
+            await base.OnDisconnectedAsync(exception);
+        }
     }
-}
+}