cutils.mqh

#property strict

class CNotify
{
   public: 
      string   symbol;
      string   text;
      string   key;

      CNotify(string sym, string txt, string uniquekey)
      {
         symbol = sym;
         text   = txt;
         key    = uniquekey;
      }
};

class CNotifyManager
{
private:
   CNotify* _notifies[];
   int      _notifyCount;

private:

   int GetIndex(string symbol)
   {
      for (int i=0; i < _notifyCount;++i)
      {
         if (_notifies[i].symbol == symbol) return i;
      }
      return -1;
   }

   void OnNotifySend(string symbol, string text, string uniquekey)
   {
     int index = GetIndex(symbol);
     if (index < 0)
     {
         ArrayResize(_notifies, _notifyCount + 1);
         _notifies[_notifyCount] = new CNotify(symbol, text, uniquekey);
         _notifyCount++;
         return;
     }
     _notifies[index].key = uniquekey;
     _notifies[index].text= text;
   }

   bool CanSendNotify(string symbol, string uniquekey)
   {
     int index = GetIndex(symbol);
     if (index < 0) return true;

     if (_notifies[index].key != uniquekey) return true;
     return false;
   }

public:

   CNotifyManager()
   {
      _notifyCount = 0;
   }

   void SendNotify(string symbol, string uniquekey, bool sendEmail,  string text)
   {
      if (CanSendNotify(symbol, uniquekey))
      {
         OnNotifySend(symbol, text, uniquekey);
         if (text != "")
         {
            SendNotification(symbol+":" + text);
            Alert(symbol + ":" + text);
            if (sendEmail)
            {
               SendMail("Daily trend reversal alert", symbol+ ":" +text);
            }
         }
      }
   }      
};

class CUtils
{
private:
   datetime         _prevTime;
   CNotifyManager*  _notifyMgr;

public:
   bool   IsNewBar;

   CUtils(void)
   {
      _notifyMgr = new CNotifyManager();
   }

   ~CUtils()
   {
      delete _notifyMgr;
   }

   string GetTimeFrame(int timePeriod)
   {  
      string timeframe="";
      switch (timePeriod)
      {
         case 1: timeframe="M1";break;
         case 5: timeframe="M5";break;
         case 15: timeframe="M15";break;
         case 30: timeframe="M30";break;
         case 60: timeframe="H1";break;
      

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