Initial commit

srcs/RobotNet10/RobotApp/RobotNet10.RobotApp/Hubs/DeviceHubContext.cs

@@ -0,0 +1,41 @@
+using Microsoft.AspNetCore.SignalR;
+using RobotNet10.RobotApp.Client.Shared.Devices;
+using RobotNet10.RobotApp.Devices;
+
+namespace RobotNet10.RobotApp.Hubs;
+
+/// <summary>
+/// HubContext để broadcast device updates từ DeviceProvider
+/// </summary>
+public class DeviceHubContext(IHubContext<DeviceHub> hubContext)
+{
+    /// <summary>
+    /// Broadcast device update đến tất cả clients
+    /// </summary>
+    public async Task BroadcastDeviceUpdate(DeviceBase device)
+    {
+        var update = new DeviceUpdateDto
+        {
+            DeviceId = device.DeviceId,
+            Status = device.Status,
+            Properties = device.Properties.ToDictionary(kvp => kvp.Key, kvp => kvp.Value),
+            LastError = device.LastError?.Message,
+            LastUpdateTime = device.LastUpdateStateTime,
+            LastConnectedTime = device.LastConnectedTime,
+            LastDisconnectedTime = device.LastDisconnectedTime,
+            ReconnectAttemptCount = device.ReconnectAttemptCount
+        };
+
+        await hubContext.Clients.All.SendAsync("DeviceUpdated", update);
+    }
+
+    /// <summary>
+    /// Broadcast device status change
+    /// </summary>
+    public async Task BroadcastDeviceStatusChanged(string deviceId, DeviceStatus status)
+    {
+        await hubContext.Clients.All.SendAsync("DeviceStatusChanged", deviceId, status);
+    }
+
+}
+