Add metadata to backtest

src/Managing.Application/Backtesting/Backtester.cs

@@ -70,6 +70,7 @@ namespace Managing.Application.Backtesting
         /// <param name="save">Whether to save the backtest results</param>
         /// <param name="withCandles">Whether to include candles and indicators values in the response</param>
         /// <param name="requestId">The request ID to associate with this backtest (optional)</param>
+        /// <param name="metadata">Additional metadata to associate with this backtest (optional)</param>
         /// <returns>The backtest results</returns>
         public async Task<Backtest> RunTradingBotBacktest(
             TradingBotConfig config,
@@ -78,11 +79,12 @@ namespace Managing.Application.Backtesting
             User user = null,
             bool save = false,
             bool withCandles = false,
-            string requestId = null)
+            string requestId = null,
+            object metadata = null)
         {
             var candles = GetCandles(config.Ticker, config.Timeframe, startDate, endDate);
 
-            var result = await RunBacktestWithCandles(config, candles, user, withCandles, requestId);
+            var result = await RunBacktestWithCandles(config, candles, user, withCandles, requestId, metadata);
 
             // Set start and end dates
             result.StartDate = startDate;
@@ -110,9 +112,10 @@ namespace Managing.Application.Backtesting
             List<Candle> candles,
             User user = null,
             bool withCandles = false,
-            string requestId = null)
+            string requestId = null,
+            object metadata = null)
         {
-            return await RunBacktestWithCandles(config, candles, user, withCandles, requestId);
+            return await RunBacktestWithCandles(config, candles, user, withCandles, requestId, metadata);
         }
 
         /// <summary>
@@ -123,7 +126,8 @@ namespace Managing.Application.Backtesting
             List<Candle> candles,
             User user = null,
             bool withCandles = false,
-            string requestId = null)
+            string requestId = null,
+            object metadata = null)
         {
             var tradingBot = _botFactory.CreateBacktestTradingBot(config);
 
@@ -139,7 +143,7 @@ namespace Managing.Application.Backtesting
             tradingBot.User = user;
             await tradingBot.LoadAccount();
 
-            var result = await GetBacktestingResult(config, tradingBot, candles, user, withCandles, requestId);
+            var result = await GetBacktestingResult(config, tradingBot, candles, user, withCandles, requestId, metadata);
 
             if (user != null)
             {
@@ -182,7 +186,8 @@ namespace Managing.Application.Backtesting
             List<Candle> candles,
             User user = null,
             bool withCandles = false,
-            string requestId = null)
+            string requestId = null,
+            object metadata = null)
         {
             if (candles == null || candles.Count == 0)
             {
@@ -272,7 +277,8 @@ namespace Managing.Application.Backtesting
                     : new Dictionary<IndicatorType, IndicatorsResultBase>(),
                 Score = score,
                 Id = Guid.NewGuid().ToString(),
-                RequestId = requestId
+                RequestId = requestId,
+                Metadata = metadata
             };
 
             // Send notification if backtest meets criteria

src/Managing.Application/GeneticService.cs

@@ -299,7 +299,7 @@ public class GeneticService : IGeneticService
                 _logger.LogInformation("Starting fresh genetic algorithm for request {RequestId}", request.RequestId);
             }
 
-            // Create fitness function
+            // Create fitness function first
             var fitness = new TradingBotFitness(_backtester, request);
 
             // Create genetic algorithm with better configuration
@@ -315,6 +315,9 @@ public class GeneticService : IGeneticService
                 CrossoverProbability = 0.7f // Fixed crossover rate as in frontend
             };
 
+            // Set the genetic algorithm reference in the fitness function
+            fitness.SetGeneticAlgorithm(ga);
+
             // Custom termination condition that checks for cancellation
             var originalTermination = ga.Termination;
             ga.Termination = new GenerationNumberTermination(request.Generations);
@@ -768,6 +771,7 @@ public class TradingBotFitness : IFitness
 {
     private readonly IBacktester _backtester;
     private readonly GeneticRequest _request;
+    private GeneticAlgorithm _geneticAlgorithm;
 
     public TradingBotFitness(IBacktester backtester, GeneticRequest request)
     {
@@ -775,6 +779,11 @@ public class TradingBotFitness : IFitness
         _request = request;
     }
 
+    public void SetGeneticAlgorithm(GeneticAlgorithm geneticAlgorithm)
+    {
+        _geneticAlgorithm = geneticAlgorithm;
+    }
+
     public double Evaluate(IChromosome chromosome)
     {
         try
@@ -785,15 +794,22 @@ public class TradingBotFitness : IFitness
 
             var config = tradingBotChromosome.GetTradingBotConfig(_request);
 
+            // Get current generation number (default to 0 if not available)
+            var currentGeneration = _geneticAlgorithm?.GenerationsNumber ?? 0;
+
             // Run backtest
             var backtest = _backtester.RunTradingBotBacktest(
                 config,
                 _request.StartDate,
                 _request.EndDate,
                 _request.User,
-                true, // Don't save individual backtests
+                true,
                 false, // Don't include candles
-                _request.RequestId
+                _request.RequestId,
+                new
+                {
+                    generation = currentGeneration
+                }
             ).Result;
 
             // Calculate multi-objective fitness based on backtest results