CrestFunctions.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef IOVDBSVC_CRESTFUNCTIONS_H
#define IOVDBSVC_CRESTFUNCTIONS_H
 
#include <vector>
#include <string>
#include <map> //also contains std::pair
#include <string_view>
 
#include "CoolKernel/ChannelId.h"
 
#include "nlohmann/json.hpp"
 
#include <CrestApi/CrestApiBase.h>
 
 
namespace IOVDbNamespace{
  typedef std::pair<std::string,std::string> IovHashPair; // <IOV,Hash> pairs extracted from Json
 
  class CrestFunctions
  {
 
    public:
 
    CrestFunctions(const std::string & crest_path);
 
    const std::string & getURLBase();
 
    void setURLBase(const std::string & crest_path);
 
    std::string
    extractHashFromJson(const std::string & jsonReply);
 
    std::vector<IovHashPair>
    getIovsForTag(const std::string & tag, uint64_t since, uint64_t until);
 
    std::string
    getLastHashForTag(const std::string & tag);
    
    std::string 
    getPayloadForHash(const std::string & hash);
 
    std::string 
    folderDescriptionForTag(const std::string & tag);
 
    std::string 
    extractDescriptionFromJson(const std::string & jsonReply);
 
    std::map<std::string, std::string>
    getGlobalTagMap(const std::string& globaltag);
 
    nlohmann::json getTagInfo(const std::string & tag);
 
    nlohmann::json getTagProperties(const std::string & tag);
 
    std::string
    getTagInfoElement(nlohmann::json tag_info, const std::string & key);
 
    std::pair<std::vector<cool::ChannelId> , std::vector<std::string>>
    extractChannelListFromString(const std::string & chanString);
 
    std::vector<uint64_t>
    getIovGroups(const std::string & tag);
 
    std::pair<uint64_t,uint64_t>
    getSinceUntilPair(const std::vector<uint64_t>& v, const uint64_t since, const uint64_t until);
 
    int
    getTagSize(const std::string& tagname);
 
    std::pair<uint64_t,uint64_t>
    getIovInterval(const std::string&  tag, const uint64_t since, const uint64_t until);
 
    private:
 
    std::unique_ptr<Crest::CrestApiBase> m_crestCl;
    
    std::string m_CREST_PATH = "";
    
    nlohmann::json getResources(nlohmann::json& js);
 
  };
}
#endif