Delete backtest by id and with filters

src/Managing.Infrastructure.Database/BacktestRepository.cs

@@ -64,6 +64,18 @@ public class BacktestRepository : IBacktestRepository
         }
     }
 
+    public void DeleteBacktestsByIdsForUser(User user, IEnumerable<string> ids)
+    {
+        var backtests = _backtestRepository.AsQueryable()
+            .Where(b => b.User != null && b.User.Name == user.Name && ids.Contains(b.Identifier))
+            .ToList();
+
+        foreach (var backtest in backtests)
+        {
+            _backtestRepository.DeleteById(backtest.Id.ToString());
+        }
+    }
+
     public void DeleteAllBacktestsForUser(User user)
     {
         var backtests = _backtestRepository.AsQueryable()