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.

src/Managing.Api/Models/Requests/LightBacktestResponse.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using Managing.Domain.Backtests;
 using Managing.Domain.Bots;
 
 namespace Managing.Api.Models.Requests;
@@ -19,4 +20,28 @@ public class LightBacktestResponse
     [Required] public double? SharpeRatio { get; set; }
     [Required] public double Score { get; set; }
     [Required] public string ScoreMessage { get; set; } = string.Empty;
+}
+
+public static class LightBacktestResponseMapper
+{
+    public static LightBacktestResponse MapFromDomain(Backtest b)
+    {
+        if (b == null) return null;
+        return new LightBacktestResponse
+        {
+            Id = b.Id,
+            Config = b.Config,
+            FinalPnl = b.FinalPnl,
+            WinRate = b.WinRate,
+            GrowthPercentage = b.GrowthPercentage,
+            HodlPercentage = b.HodlPercentage,
+            StartDate = b.StartDate,
+            EndDate = b.EndDate,
+            MaxDrawdown = b.Statistics?.MaxDrawdown,
+            Fees = b.Fees,
+            SharpeRatio = (double?)b.Statistics?.SharpeRatio,
+            Score = b.Score,
+            ScoreMessage = b.ScoreMessage
+        };
+    }
 }