drop useless Abort function

src/Yavsc/Hubs/ChatHub.cs

@@ -129,25 +129,21 @@ namespace Yavsc
         public override Task OnDisconnected(bool stopCalled)
         {
             string userName = Context.User?.Identity.Name;
-            if (userName != null)
+            if (userName!=null) {
-            {
+                var user = _dbContext.Users.FirstOrDefault(u => u.UserName == userName);
+                var userId = user.Id;
+                Clients.Group(Constants.HubGroupFollowingPrefix+userId).notifyuser(NotificationTypes.DisConnected, userName, null);
+
                 var cx = _dbContext.ChatConnection.SingleOrDefault(c => c.ConnectionId == Context.ConnectionId);
                 if (cx != null)
                 {
-                    if (stopCalled)
+                    _dbContext.ChatConnection.Remove(cx);
-                    {
-                        var user = _dbContext.Users.Single(u => u.UserName == userName);
-                        user.Connections.Remove(cx);
-                        ChatUserNames[Context.ConnectionId] = null;
-                    }
-                    else
-                    {
-                        cx.Connected = false;
-                    }
                     _dbContext.SaveChanges();
                 }
-            }
+                else 
-            Clients.Group("authenticated").notifyUser(NotificationTypes.DisConnected, userName, "disconnected");
+                    _logger.LogError($"Could not remove user cx {Context.ConnectionId}");
+            } 
+            Abort();
             return base.OnDisconnected(stopCalled);
         }
 
@@ -382,14 +378,12 @@ namespace Yavsc
             cli.addStreamInfo(sender, streamId, message);
         }
 
-        public void Abort()
+        void Abort()
         {
-            var cx = _dbContext.ChatConnection.SingleOrDefault(c => c.ConnectionId == Context.ConnectionId);
+           string cxId;
-            if (cx != null)
+            if (!ChatUserNames.TryRemove(Context.ConnectionId, out cxId ))
-            {
+                _logger.LogError($"Could not remove user cx {Context.ConnectionId}");
-                _dbContext.ChatConnection.Remove(cx);
+            
-                _dbContext.SaveChanges();
-            }
         }
     }
 }

src/Yavsc/wwwroot/js/chat.js

@@ -263,8 +263,8 @@ window.ChatHubHandler = (function ($) {
       return encodedValue;
     }
 
-
+    // FIXME cx clean shutdown
-    $(window).unload(function () { chat.server.abort(); });
+    // $(window).unload(function () {  });
 
   };
 

src/sampleWebAsWebApiClient/Controllers/HomeController.cs

@@ -10,8 +10,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.AspNet.Mvc;
 using Microsoft.Extensions.Logging;
-using Yavsc.Server.Helpers;
-using Yavsc.Server.Model;
 
 namespace testOauthClient.Controllers
 {
@@ -36,6 +34,7 @@ namespace testOauthClient.Controllers
         {
             return View();
         }
+        
         [HttpPost]
         public async Task<IActionResult> GetUserInfo(CancellationToken cancellationToken)
         {