Add user to position + fix few things

src/Managing.Application/Trading/OpenPositionCommandHandler.cs

@@ -26,8 +26,15 @@ namespace Managing.Application.Trading
             }
 
             var initiator = request.IsForPaperTrading ? PositionInitiator.PaperTrading : request.Initiator;
-            var position = new Position(request.AccountName, request.Direction, request.Ticker, request.MoneyManagement,
-                initiator, request.Date);
+            var position = new Position(new Guid().ToString(), request.AccountName, request.Direction, request.Ticker,
+                request.MoneyManagement,
+                initiator, request.Date, request.User);
+
+            if (!string.IsNullOrEmpty(request.SignalIdentifier))
+            {
+                position.SignalIdentifier = request.SignalIdentifier;
+            }
+
             var balance = request.IsForPaperTrading
                 ? request.Balance.GetValueOrDefault()
                 : exchangeService.GetBalance(account, request.IsForPaperTrading).Result;
@@ -63,12 +70,12 @@ namespace Managing.Application.Trading
                 TradeType.Limit,
                 isForPaperTrading: request.IsForPaperTrading,
                 currentDate: request.Date,
-                stopLossPrice: stopLossPrice,       // Pass determined SL price
+                stopLossPrice: stopLossPrice, // Pass determined SL price
                 takeProfitPrice: takeProfitPrice); // Pass determined TP price
 
             //trade.Fee = TradingHelpers.GetFeeAmount(fee, openPrice * quantity, account.Exchange);
             position.Open = trade;
-           
+
             var closeDirection = request.Direction == TradeDirection.Long
                 ? TradeDirection.Short
                 : TradeDirection.Long;