littleshop/LittleShop/Hubs/NotificationHub.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.SignalR;

namespace LittleShop.Hubs;

[Authorize(Roles = "Admin")]
public class NotificationHub : Hub
{
    private readonly ILogger<NotificationHub> _logger;

    public NotificationHub(ILogger<NotificationHub> logger)
    {
        _logger = logger;
    }

    public override async Task OnConnectedAsync()
    {
        _logger.LogInformation("Admin user connected to notification hub: {ConnectionId}", Context.ConnectionId);
        await base.OnConnectedAsync();
    }

    public override async Task OnDisconnectedAsync(Exception? exception)
    {
        _logger.LogInformation("Admin user disconnected from notification hub: {ConnectionId}", Context.ConnectionId);
        await base.OnDisconnectedAsync(exception);
    }

    // Client can call this to test notifications
    public async Task SendTestNotification()
    {
        await Clients.Caller.SendAsync("ReceiveNotification", new
        {
            title = "Test Notification",
            message = "This is a test notification from SignalR!",
            type = "info",
            timestamp = DateTime.UtcNow
        });
    }
}