SessionCompanion/SessionCompanion/Hubs/SessionHub.cs

@@ -0,0 +1,51 @@
+using Microsoft.AspNetCore.SignalR;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace SessionCompanion.Hubs
+{
+    public class SessionHub : Hub
+    {
+        private static Dictionary<string, int> ConnectedCharacters = new Dictionary<string, int>();
+
+        public SessionHub()
+        {
+        }
+
+        public override Task OnDisconnectedAsync(Exception exception)
+        {
+            // if true then it is character, if false it is GM
+            if (ConnectedCharacters.ContainsKey(Context.ConnectionId))
+            {
+                Groups.RemoveFromGroupAsync(Context.ConnectionId, "Players");
+                ConnectedCharacters.Remove(Context.ConnectionId);
+            }
+            else
+                Groups.RemoveFromGroupAsync(Context.ConnectionId, "GameMaster");
+            Clients.All.SendAsync("GoodBye", "Player has left the game");
+            return base.OnDisconnectedAsync(exception);
+        }
+
+        #region GameMaster
+        public Task GameMasterLogin()
+        {
+            Groups.AddToGroupAsync(Context.ConnectionId, "GameMaster");
+
+            return Clients.All.SendAsync("Welcome", "Welcome new Game Master");
+        }
+        #endregion
+
+        #region Player
+        public Task PlayerCharacterLogin(int characterId)
+        {
+            ConnectedCharacters.Add(Context.ConnectionId, characterId);
+            Groups.AddToGroupAsync(Context.ConnectionId, "Players");
+
+            return Clients.All.SendAsync("Welcome", "Welcome new Player");
+        }
+        #endregion
+
+    }
+}

SessionCompanion/SessionCompanion/Startup.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http.Connections;
 using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.AspNetCore.SpaServices.AngularCli;
 using Microsoft.EntityFrameworkCore;
@@ -8,6 +9,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using SessionCompanion.Configurations;
 using SessionCompanion.Database;
+using SessionCompanion.Hubs;
 
 namespace SessionCompanion
 {
@@ -29,7 +31,7 @@ namespace SessionCompanion
                 options.UseSqlServer(
                     Configuration.GetConnectionString("DefaultConnection")));
             services.AddRepositories();
-
+            services.AddSignalR();
             // In production, the Angular files will be served from this directory
             services.AddSpaStaticFiles(configuration =>
             {
@@ -70,6 +72,13 @@ namespace SessionCompanion
                 endpoints.MapControllerRoute(
                     name: "default",
                     pattern: "{controller}/{action=Index}/{id?}");
+
+                endpoints.MapHub<SessionHub>("/sessionhub", options =>
+                {
+                    options.Transports =
+                        HttpTransportType.WebSockets |
+                        HttpTransportType.LongPolling;
+                });
             });
 
             app.UseSpa(spa =>