mql5/Experts/_Architecture/Analysers/IAnalyser.mqh

//+------------------------------------------------------------------+
//|                                                     IAnalyser.mqh |
//|                                  Copyright 2025, MetaQuotes Ltd. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2025, MetaQuotes Ltd."
#property link      "https://www.mql5.com"
#property version   "1.00"

#include "../Events/EventBus/EventBus.mqh"
#include "../Events/Events/AnalysisEvents.mqh"
#include "../Configs/TfBarSeries.mqh"
#include <JSON.mqh>
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
class IAnalyser
  {
protected:
   EventBus*          eventBus;

   virtual bool      SaveState(string symbol, ENUM_TIMEFRAMES tf, JSON::Object* obj) { return false; }
   virtual bool      LoadState(string symbol, ENUM_TIMEFRAMES tf, const JSON::Object* obj) { return false; }
   virtual bool      CanSkipHistory(string symbol, ENUM_TIMEFRAMES tf) { return false; }

   bool              IsValidValue(double value) { return value != 0.0 && value != EMPTY_VALUE;}

   bool              IsSwingHigh(int index, IndicatorSeries* series)
     {
      return IsValidValue(series.Value(0,  index));
     }

   bool              IsSwingLow(int index, IndicatorSeries* series)
     {
      return IsValidValue(series.Value(1,  index));
     }

public:
   virtual          ~IAnalyser() { }
   void              Init(EventBus* bus) {eventBus = bus; }
                     IAnalyser() : eventBus(NULL) {}

   virtual void      ProcessBar(TfBarSeries &series, int barIndex) = 0;
   virtual void      Reset(string symbol, ENUM_TIMEFRAMES tf) { Print("Reset ", EnumToString(tf));}

   virtual string    GetAnalyserName() = 0;
  };
//+------------------------------------------------------------------+