MetaboTargetedAssay.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Oliver Alka $
// $Authors: Oliver Alka $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/KERNEL/StandardTypes.h>
#include <map> //insert
 
#include <OpenMS/ANALYSIS/MRM/ReactionMonitoringTransition.h>
#include <OpenMS/ANALYSIS/TARGETED/TargetedExperiment.h>
#include <OpenMS/ANALYSIS/ID/SiriusMSConverter.h> //SiriusMSFile
#include <OpenMS/FORMAT/DATAACCESS/SiriusFragmentAnnotation.h> //SiriusTargetDecoySpectra
 
 
namespace OpenMS
{
  class OPENMS_DLLAPI MetaboTargetedAssay
  {
    public:
    double precursor_int; 
    double transition_quality_score; 
    double precursor_mz; 
    double compound_rt; 
    std::string molecular_formula; 
    int compound_file; 
    std::string compound_name; 
    std::string compound_adduct; 
    TargetedExperiment::Compound potential_cmp; 
    std::vector<ReactionMonitoringTransition> potential_rmts; 
 
    class CompoundTargetDecoyPair
    {
    public:
      SiriusMSFile::CompoundInfo compound_info;
      SiriusFragmentAnnotation::SiriusTargetDecoySpectra target_decoy_spectra;
 
      CompoundTargetDecoyPair() = default;
      CompoundTargetDecoyPair(SiriusMSFile::CompoundInfo info, SiriusFragmentAnnotation::SiriusTargetDecoySpectra td_spectra) :
          compound_info(std::move(info)),
          target_decoy_spectra(std::move(td_spectra))
      {}
    };
 
    class CompoundSpectrumPair
    {
    public:
      SiriusMSFile::CompoundInfo compound_info;
      MSSpectrum spectrum;
 
      CompoundSpectrumPair() = default;
      CompoundSpectrumPair(SiriusMSFile::CompoundInfo info, MSSpectrum spectrum) :
          compound_info(std::move(info)),
          spectrum(std::move(spectrum))
      {}
    };
 
    struct TargetDecoyGroup
    {
      int target_index = -1;
      int decoy_index = -1;
      double target_mz = 0.0;
      double target_rt = 0.0;
      double decoy_mz = 0.0;
      double decoy_rt = 0.0;
      int target_file_number = 0;
      int decoy_file_number = 0;
    };
 
    static std::vector<MetaboTargetedAssay> extractMetaboTargetedAssay(const MSExperiment& spectra,
                                                                       const FeatureMapping::FeatureToMs2Indices& feature_ms2_index,
                                                                       const double& precursor_rt_tol,
                                                                       const double& precursor_mz_distance,
                                                                       const double& cosine_sim_threshold,
                                                                       const double& transition_threshold,
                                                                       const double& min_fragment_mz,
                                                                       const double& max_fragment_mz,
                                                                       const bool& method_consensus_spectrum,
                                                                       const bool& exclude_ms2_precursor,
                                                                       const unsigned int& file_counter);
 
    static std::vector<MetaboTargetedAssay> extractMetaboTargetedAssayFragmentAnnotation(const std::vector< CompoundTargetDecoyPair >& v_cmp_spec,
                                                                                         const double& transition_threshold,
                                                                                         const double& min_fragment_mz,
                                                                                         const double& max_fragment_mz,
                                                                                         const bool& use_exact_mass,
                                                                                         const bool& exclude_ms2_precursor);
 
    static std::vector< MetaboTargetedAssay::CompoundTargetDecoyPair > pairCompoundWithAnnotatedTDSpectraPairs(const std::vector<SiriusMSFile::CompoundInfo>& v_cmpinfo,
                                                                                                               const std::vector<SiriusFragmentAnnotation::SiriusTargetDecoySpectra>& annotated_spectra);
    static std::unordered_map< UInt64, std::vector<MetaboTargetedAssay> > buildAmbiguityGroup(const std::vector<MetaboTargetedAssay>& v_mta,
                                                                                              const double& ar_mz_tol,
                                                                                              const double& ar_rt_tol,
                                                                                              const std::string& ar_mz_tol_unit_res, size_t in_files_size);
 
    static void resolveAmbiguityGroup(std::unordered_map< UInt64, std::vector<MetaboTargetedAssay> >& map_mta_filter,
                                      const double& total_occurrence_filter,
                                      size_t in_files_size);
 
  protected:
 
    static constexpr float noise_threshold_constant_ = 1.1;
 
    static bool intensityLess_(const Peak1D& a, const Peak1D& b);
 
    static int getChargeFromAdduct_(const std::string& adduct);
 
    static void filterBasedOnTotalOccurrence_(std::vector<MetaboTargetedAssay>& mta, double total_occurrence_filter, size_t in_files_size);
 
    static void filterBasedOnMolFormAdductOccurrence_(std::vector<MetaboTargetedAssay>& mta);
 
    static void sortByPrecursorInt(std::vector<MetaboTargetedAssay>& vec_mta);
  };
 
} // namespace OpenMS