feat: implement SignalR notifications for project status changes

ServiceHost/Hubs/ProgramManager/ProjectBoardHub.cs

@@ -0,0 +1,13 @@
+using Microsoft.AspNetCore.SignalR;
+
+namespace ServiceHost.Hubs.ProgramManager;
+
+public class ProjectBoardHub:Hub
+{
+    public override async Task OnConnectedAsync()
+    {
+        Console.WriteLine($"{Context.ConnectionId} connected");
+        await Clients.All.SendAsync("ReceiveGreeting","A new user has connected to the Project Board Hub!");
+        await base.OnConnectedAsync();
+    }
+}

ServiceHost/Notifications/ProgramManager/SignalRBoardNotificationPublisher.cs

@@ -0,0 +1,30 @@
+using GozareshgirProgramManager.Application.Interfaces;
+using GozareshgirProgramManager.Domain.ProjectAgg.Enums;
+using Microsoft.AspNetCore.SignalR;
+using ServiceHost.Hubs.ProgramManager;
+
+namespace ServiceHost.Notifications.ProgramManager;
+
+public class SignalRBoardNotificationPublisher:IBoardNotificationPublisher
+{
+    private readonly IHubContext<ProjectBoardHub> _hubContext;
+
+    public SignalRBoardNotificationPublisher(IHubContext<ProjectBoardHub> hubContext)
+    {
+        _hubContext = hubContext;
+    }
+
+    public Task SendProjectStatusChanged(long userId, TaskSectionStatus oldStatus, 
+        TaskSectionStatus newStatus, Guid sectionId)
+    {
+        var payload = new
+        {
+            UserId = userId,
+            OldStatus = oldStatus,
+            NewStatus = newStatus,
+            SectionId = sectionId
+        };
+        _hubContext.Clients.User(userId.ToString()).SendAsync("ReceiveProjectStatusChanged",payload);
+        return Task.CompletedTask;
+    }
+}

ServiceHost/Program.cs

@@ -31,6 +31,7 @@ using GozareshgirProgramManager.Application.Modules.Users.Commands.CreateUser;
 using GozareshgirProgramManager.Infrastructure;
 using GozareshgirProgramManager.Infrastructure.Persistence.Seed;
 using Microsoft.OpenApi;
+using ServiceHost.Hubs.ProgramManager;
 
 
 var builder = WebApplication.CreateBuilder(args);
@@ -451,6 +452,7 @@ app.MapHub<HolidayApiHub>("/trackingHolidayHub");
 app.MapHub<CheckoutHub>("/trackingCheckoutHub");
 // app.MapHub<FaceEmbeddingHub>("/trackingFaceEmbeddingHub");
 app.MapHub<SendSmsHub>("/trackingSendSmsHub");
+app.MapHub<ProjectBoardHub>("/pm/board");
 app.MapRazorPages();
 app.MapControllers();