Initial MQL5 EA Project

2026-05-27 12:32:26 -04:00
commit 2682cfdca1
12 changed files with 1475 additions and 0 deletions
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+//+------------------------------------------------------------------+
+//| PositionManager.mqh - Position tracking and validation            |
+//| Checks for existing positions, prevents duplicates                |
+//+------------------------------------------------------------------+
+
+#ifndef __POSITIONMANAGER_MQH__
+#define __POSITIONMANAGER_MQH__
+
+#include "Config.mqh"
+#include "Logger.mqh"
+
+class CPositionManager
+{
+private:
+   CLogger *mp_logger;
+
+public:
+   // Constructor
+   CPositionManager(CLogger *logger)
+   {
+      mp_logger = logger;
+   }
+
+   // Check if there is already an open position for this symbol and magic
+   bool HasOpenPosition(const string symbol)
+   {
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         if(PositionSelectByTicket(PositionGetTicket(i)))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               return true;
+            }
+         }
+      }
+      return false;
+   }
+
+   // Get current position count for this symbol and magic
+   int GetPositionCount(const string symbol)
+   {
+      int count = 0;
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         if(PositionSelectByTicket(PositionGetTicket(i)))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               count++;
+            }
+         }
+      }
+      return count;
+   }
+
+   // Get current position type (OP_BUY, OP_SELL, or -1 if none)
+   int GetPositionType(const string symbol)
+   {
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         if(PositionSelectByTicket(PositionGetTicket(i)))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               return (int)PositionGetInteger(POSITION_TYPE);
+            }
+         }
+      }
+      return -1;
+   }
+
+   // Get current position ticket (returns 0 if none)
+   ulong GetPositionTicket(const string symbol)
+   {
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         ulong ticket = PositionGetTicket(i);
+         if(PositionSelectByTicket(ticket))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               return ticket;
+            }
+         }
+      }
+      return 0;
+   }
+
+   // Get current position profit
+   double GetPositionProfit(const string symbol)
+   {
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         if(PositionSelectByTicket(PositionGetTicket(i)))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               return PositionGetDouble(POSITION_PROFIT);
+            }
+         }
+      }
+      return 0.0;
+   }
+
+   // Check if new position is allowed (not exceeding max positions)
+   bool IsNewPositionAllowed(const string symbol)
+   {
+      int current_count = GetPositionCount(symbol);
+      
+      if(current_count >= g_max_positions)
+      {
+         if(mp_logger && g_debug_mode)
+            mp_logger.Info(StringFormat("Max positions reached: %d >= %d", 
+                                        current_count, g_max_positions));
+         return false;
+      }
+      
+      return true;
+   }
+
+   // Get total open lots for symbol and magic
+   double GetTotalOpenLots(const string symbol)
+   {
+      double total_lots = 0.0;
+      for(int i = PositionsTotal() - 1; i >= 0; i--)
+      {
+         if(PositionSelectByTicket(PositionGetTicket(i)))
+         {
+            if(PositionGetString(POSITION_SYMBOL) == symbol && 
+               PositionGetInteger(POSITION_MAGIC) == g_magic_number)
+            {
+               total_lots += PositionGetDouble(POSITION_VOLUME);
+            }
+         }
+      }
+      return total_lots;
+   }
+};
+
+#endif //__POSITIONMANAGER_MQH__