Update SignalR service to .NET 8.0

signalr-hubs/signalr-for-aspnet-core.sln

@@ -1,9 +1,9 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio 15
 VisualStudioVersion = 15.0.27428.2037
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "signalr-for-aspnet-core", "signalr-for-aspnet-core\signalr-for-aspnet-core.csproj", "{C10DB25F-9FF8-4136-A05D-1869947045AF}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "signalr-for-aspnet-core", "signalr-for-aspnet-core\signalr-for-aspnet-core.csproj", "{C10DB25F-9FF8-4136-A05D-1869947045AF}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

signalr-hubs/signalr-for-aspnet-core/Hubs/ProductHub.cs

@@ -3,77 +3,71 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Data;
+using Task = System.Threading.Tasks.Task;
 
-namespace signalr_for_aspnet_core.Hubs
+namespace signalr_for_aspnet_core.Hubs;
+
+public class ProductHub(SampleEntitiesDataContext context) : Hub
 {
-    public class ProductHub : Hub
+    public override Task OnConnectedAsync()
     {
-        public override System.Threading.Tasks.Task OnConnectedAsync()
-        {
-            Groups.AddToGroupAsync(Context.ConnectionId, GetGroupName());
-            return base.OnConnectedAsync();
-        }
+        Groups.AddToGroupAsync(Context.ConnectionId, GetGroupName());
+        return base.OnConnectedAsync();
+    }
 
-        public override System.Threading.Tasks.Task OnDisconnectedAsync(Exception e)
-        {
-            Groups.RemoveFromGroupAsync(Context.ConnectionId, GetGroupName());
-            return base.OnDisconnectedAsync(e);
-        }
+    public override Task OnDisconnectedAsync(Exception e)
+    {
+        Groups.RemoveFromGroupAsync(Context.ConnectionId, GetGroupName());
+        return base.OnDisconnectedAsync(e);
+    }
 
-        public IEnumerable<ProductSignalR> Read()
+    public IEnumerable<ProductSignalR> Read()
+    {
+        var products = context.Products.Select(p => new ProductSignalR
         {
-            using (var context = new SampleEntitiesDataContext())
+            ID = p.ProductID,
+            ProductName = p.ProductName,
+            UnitPrice = (double)p.UnitPrice.GetValueOrDefault(),
+            UnitsInStock = p.UnitsInStock.GetValueOrDefault(),
+            CreatedAt = DateTime.Now.AddMilliseconds(1),
+            Category = new CategorySignalR
             {
-
-                var products = context.Products.Select(p => new ProductSignalR
-                    {
-                        ID = p.ProductID,
-                        ProductName = p.ProductName,
-                        UnitPrice = (double)p.UnitPrice.GetValueOrDefault(),
-                        UnitsInStock = p.UnitsInStock.GetValueOrDefault(),
-                        CreatedAt = DateTime.Now.AddMilliseconds(1),
-                        Category = new CategorySignalR()
-                        {
-                            CategoryID = p.Category.CategoryID,
-                            CategoryName = p.Category.CategoryName
-                        }
-                    })
-                    .ToList();
-
-                return products;
+                CategoryID = p.Category.CategoryID,
+                CategoryName = p.Category.CategoryName
             }
-        }
+        }).ToList();
 
-        public ProductSignalR Create(ProductSignalR product)
-        {
-            product.ID = DateTime.Now.Ticks;
-            product.CreatedAt = DateTime.Now;
-            product.Category = product.Category ?? new CategorySignalR() { CategoryID = 1 };
+        return products;
+    }
 
-            Clients.OthersInGroup(GetGroupName()).SendAsync("create", product);
+    public ProductSignalR Create(ProductSignalR product)
+    {
+        product.ID = DateTime.Now.Ticks;
+        product.CreatedAt = DateTime.Now;
+        product.Category ??= new CategorySignalR { CategoryID = 1 };
 
-            return product;
-        }
+        Clients.OthersInGroup(GetGroupName()).SendAsync("create", product);
 
-        public void Update(ProductSignalR product)
-        {
-            Clients.OthersInGroup(GetGroupName()).SendAsync("update", product);
-        }
+        return product;
+    }
 
-        public void Destroy(ProductSignalR product)
-        {
-            Clients.OthersInGroup(GetGroupName()).SendAsync("destroy", product);
-        }
+    public void Update(ProductSignalR product)
+    {
+        Clients.OthersInGroup(GetGroupName()).SendAsync("update", product);
+    }
 
-        public string GetGroupName()
-        {
-            return GetRemoteIpAddress();
-        }
+    public void Destroy(ProductSignalR product)
+    {
+        Clients.OthersInGroup(GetGroupName()).SendAsync("destroy", product);
+    }
 
-        public string GetRemoteIpAddress()
-        {
-            return Context.GetHttpContext()?.Connection.RemoteIpAddress.ToString();
-        }
+    public string GetGroupName()
+    {
+        return GetRemoteIpAddress();
+    }
+
+    public string GetRemoteIpAddress()
+    {
+        return Context.GetHttpContext()?.Connection.RemoteIpAddress?.ToString();
     }
-}
+}

signalr-hubs/signalr-for-aspnet-core/Models/CategorySignalR.cs

@@ -1,13 +1,7 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Web;
+namespace signalr_for_aspnet_core.Models;
 
-namespace signalr_for_aspnet_core.Models
+public class CategorySignalR
 {
-    public class CategorySignalR
-    {
-        public int CategoryID { get; set; }
-        public string CategoryName { get; set; }
-    }
+    public int CategoryID { get; set; }
+    public string CategoryName { get; set; }
 }

signalr-hubs/signalr-for-aspnet-core/Models/ProductSignalR.cs

@@ -1,17 +1,13 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Web;
 
-namespace signalr_for_aspnet_core.Models
+namespace signalr_for_aspnet_core.Models;
+
+public class ProductSignalR
 {
-    public class ProductSignalR
-    {
-        public long? ID { get; set; }
-        public string ProductName { get; set; }
-        public double UnitPrice { get; set; }
-        public int UnitsInStock { get; set; }
-        public DateTime? CreatedAt { get; set; }
-        public CategorySignalR Category { get; set; }
-    }
+    public long? ID { get; set; }
+    public string ProductName { get; set; }
+    public double UnitPrice { get; set; }
+    public int UnitsInStock { get; set; }
+    public DateTime? CreatedAt { get; set; }
+    public CategorySignalR Category { get; set; }
 }