mt5-quant-lib/Orders/OrderTracker.mqh

#include <Trade/OrderInfo.mqh>
#include <Trade/PositionInfo.mqh>

class OrderTracker {
   protected:
    COrderInfo m_order;
    CPositionInfo m_position;

   public:
    int count_open_positions(string symbol, int order_side, long magic_number);
    int count_all_positions(string symbol, long magic_number);
    int count_pending_orders(string symbol, ENUM_ORDER_TYPE order_type, long magic);
};

int OrderTracker::count_open_positions(string symbol, int order_side, long magic_number) {
    int count = 0;

    for (int i = PositionsTotal() - 1; i >= 0; i--) {
        ulong ticket = PositionGetTicket(i);

        if (PositionGetString(POSITION_SYMBOL) == symbol && PositionGetInteger(POSITION_MAGIC) == magic_number) {
            if (order_side == 1 && PositionGetInteger(POSITION_TYPE) == POSITION_TYPE_BUY) {
                count++;
            }

            if (order_side == 2 && PositionGetInteger(POSITION_TYPE) == POSITION_TYPE_SELL) {
                count++;
            }
        }
    }

    return count;
}

int OrderTracker::count_all_positions(string symbol, long magic_number) {
    int count = 0;

    for (int i = PositionsTotal() - 1; i >= 0; i--) {
        ulong ticket = PositionGetTicket(i);

        if (PositionGetString(POSITION_SYMBOL) == symbol && PositionGetInteger(POSITION_MAGIC) == magic_number) {
            count++;
        }
    }

    return count;
}

int OrderTracker::count_pending_orders(string symbol, ENUM_ORDER_TYPE order_type, long magic) {
    int count = 0;

    for (int i = OrdersTotal() - 1; i >= 0; i--) {
        if (m_order.SelectByIndex(i)) {
            if (OrderGetInteger(ORDER_MAGIC) == magic && OrderGetString(ORDER_SYMBOL) == symbol) {
                if (m_order.OrderType() == order_type) {
                    count++;
                }
            }
        }
    }

    return count;
}