PFPSRecHitCreator.h

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#ifndef RecoParticleFlow_PFClusterProducer_PFPSRecHitCreator_h
#define RecoParticleFlow_PFClusterProducer_PFPSRecHitCreator_h

#include "RecoParticleFlow/PFClusterProducer/interface/PFRecHitCreatorBase.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHit.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "DataFormats/EcalDetId/interface/EcalSubdetector.h"

#include "DataFormats/EcalDetId/interface/EEDetId.h"
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "DataFormats/EcalDetId/interface/ESDetId.h"


#include "Geometry/CaloGeometry/interface/CaloSubdetectorGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloGeometry.h"
#include "Geometry/CaloGeometry/interface/CaloCellGeometry.h"
#include "Geometry/CaloGeometry/interface/TruncatedPyramid.h"
#include "Geometry/Records/interface/CaloGeometryRecord.h"

#include "Geometry/EcalAlgo/interface/EcalEndcapGeometry.h"
#include "Geometry/EcalAlgo/interface/EcalBarrelGeometry.h"
#include "Geometry/CaloTopology/interface/EcalEndcapTopology.h"
#include "Geometry/CaloTopology/interface/EcalBarrelTopology.h"
#include "Geometry/CaloTopology/interface/EcalPreshowerTopology.h"
#include "RecoCaloTools/Navigation/interface/CaloNavigator.h"

class PFPSRecHitCreator final :  public  PFRecHitCreatorBase {

 public:  
  PFPSRecHitCreator(const edm::ParameterSet& iConfig,edm::ConsumesCollector& iC):
    PFRecHitCreatorBase(iConfig,iC)
    {
      recHitToken_ = iC.consumes<EcalRecHitCollection>(iConfig.getParameter<edm::InputTag>("src"));
    }

    void importRecHits(std::unique_ptr<reco::PFRecHitCollection>&out,std::unique_ptr<reco::PFRecHitCollection>& cleaned ,const edm::Event& iEvent,const edm::EventSetup& iSetup) override {

      beginEvent(iEvent,iSetup);

      edm::Handle<EcalRecHitCollection> recHitHandle;
      edm::ESHandle<CaloGeometry> geoHandle;
      iSetup.get<CaloGeometryRecord>().get(geoHandle);
  
      // get the ecal geometry
      const CaloSubdetectorGeometry *psGeometry = geoHandle->getSubdetectorGeometry(DetId::Ecal, EcalPreshower);

      iEvent.getByToken(recHitToken_,recHitHandle);
      for( const auto& erh : *recHitHandle ) {      
    ESDetId detid(erh.detid());
    auto energy = erh.energy();

    PFLayer::Layer layer = PFLayer::NONE;
    
    switch( detid.plane() ) {
    case 1:
      layer = PFLayer::PS1;
      break;
    case 2:
      layer = PFLayer::PS2;
      break;
    default:
      throw cms::Exception("PFRecHitBadInput")
        <<"incorrect preshower plane !! plane number "
        <<detid.plane()<<std::endl;
    }
 

    
    auto thisCell= psGeometry->getGeometry(detid);
  
    // find rechit geometry
    if(!thisCell) {
      edm::LogError("PFPSRecHitCreator")
        <<"warning detid "<<detid.rawId()
        <<" not found in geometry"<<std::endl;
      continue;
    }

        out->emplace_back(thisCell, detid.rawId(),layer,energy);
        auto & rh = out->back();
    rh.setDepth(detid.plane());
    rh.setTime(erh.time());
    
    bool rcleaned = false;
    bool keep=true;
        bool hi = true; // all ES rhs are produced, independently on the ECAL SRP decision

    //Apply Q tests
    for( const auto& qtest : qualityTests_ ) {
      if (!qtest->test(rh,erh,rcleaned,hi)) {
        keep = false;       
      }
    }
    
        if (rcleaned) 
      cleaned->push_back(std::move(out->back()));
        if(!keep) 
          out->pop_back();
      }
    }



 protected:
  edm::EDGetTokenT<EcalRecHitCollection> recHitToken_;


};


#endif