Add signalr

src/Managing.Api/Controllers/BacktestController.cs

@@ -27,7 +27,7 @@ namespace Managing.Api.Controllers;
 [Produces("application/json")]
 public class BacktestController : BaseController
 {
-    private readonly IHubContext<BotHub> _hubContext;
+    private readonly IHubContext<BacktestHub> _hubContext;
     private readonly IBacktester _backtester;
     private readonly IScenarioService _scenarioService;
     private readonly IAccountService _accountService;
@@ -45,7 +45,7 @@ public class BacktestController : BaseController
     /// <param name="geneticService">The service for genetic algorithm operations.</param>
     /// <param name="backtestRepository">The repository for backtest operations.</param>
     public BacktestController(
-        IHubContext<BotHub> hubContext,
+        IHubContext<BacktestHub> hubContext,
         IBacktester backtester,
         IScenarioService scenarioService,
         IAccountService accountService,
@@ -537,6 +537,47 @@ public class BacktestController : BaseController
         });
     }
 
+    /// <summary>
+    /// Subscribes the client to real-time updates for a bundle backtest request via SignalR.
+    /// The client will receive LightBacktestResponse objects as new backtests are generated.
+    /// </summary>
+    /// <param name="requestId">The bundle request ID to subscribe to.</param>
+    [HttpPost]
+    [Route("Bundle/Subscribe")] // POST /Backtest/Bundle/Subscribe
+    public async Task<IActionResult> SubscribeToBundle([FromQuery] string requestId)
+    {
+        if (string.IsNullOrWhiteSpace(requestId))
+            return BadRequest("RequestId is required");
+
+        // Get the connection ID from the SignalR context (assume it's passed via header or query)
+        var connectionId = HttpContext.Request.Headers["X-SignalR-ConnectionId"].ToString();
+        if (string.IsNullOrEmpty(connectionId))
+            return BadRequest("SignalR connection ID is required in X-SignalR-ConnectionId header");
+
+        // Add the connection to the SignalR group for this bundle
+        await _hubContext.Groups.AddToGroupAsync(connectionId, $"bundle-{requestId}");
+        return Ok(new { Subscribed = true, RequestId = requestId });
+    }
+
+    /// <summary>
+    /// Unsubscribes the client from real-time updates for a bundle backtest request via SignalR.
+    /// </summary>
+    /// <param name="requestId">The bundle request ID to unsubscribe from.</param>
+    [HttpPost]
+    [Route("Bundle/Unsubscribe")] // POST /Backtest/Bundle/Unsubscribe
+    public async Task<IActionResult> UnsubscribeFromBundle([FromQuery] string requestId)
+    {
+        if (string.IsNullOrWhiteSpace(requestId))
+            return BadRequest("RequestId is required");
+
+        var connectionId = HttpContext.Request.Headers["X-SignalR-ConnectionId"].ToString();
+        if (string.IsNullOrEmpty(connectionId))
+            return BadRequest("SignalR connection ID is required in X-SignalR-ConnectionId header");
+
+        await _hubContext.Groups.RemoveFromGroupAsync(connectionId, $"bundle-{requestId}");
+        return Ok(new { Unsubscribed = true, RequestId = requestId });
+    }
+
     /// <summary>
     /// Runs a genetic algorithm optimization with the specified configuration.
     /// This endpoint saves the genetic request to the database and returns the request ID.