[PWGDQ] Macro for sending GFWWeights to a user-path CCDB (#5378)

* [PWGDQ] Marco for sending GFWWeights to a user-path CCDB

* Fix for MegaLinter

Author: Elros60

PWGDQ/Macros/dqFlowAccWeights.C

@@ -0,0 +1,75 @@
+// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
+// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
+// All rights not expressly granted are reserved.
+//
+// This software is distributed under the terms of the GNU General Public
+// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
+//
+// In applying this license CERN does not waive the privileges and immunities
+// granted to it by virtue of its status as an Intergovernmental Organization
+// or submit itself to any jurisdiction.
+
+/// \file dqFlowAccWeights.C
+/// \brief A simple macro to read produced accptance weights for Q-vector and submit them to CCDB
+///
+/// \author Chi ZHANG, CEA-Saclay, chi.zhang@cern.ch
+
+#include <gsl/span>
+#include <cmath>
+#include <string>
+#include <unordered_map>
+#include <vector>
+#include <iostream>
+
+#include <TSystem.h>
+#include <TFile.h>
+#include "Framework/Logger.h"
+#include "CCDB/BasicCCDBManager.h"
+#include "PWGCF/GenericFramework/Core/GFWWeights.h"
+
+using namespace o2;
+using namespace std;
+
+void dqFlowAccWeights(int64 tmin = 1546300800000, int64 tmax = 1577833200000, std::string Period = "LHC23zzh_pass2", std::string SubDir = "d-q-event-qvector", std::string FileName = "AnalysisResults.root")
+{
+  if (tmax < tmin) {
+    LOG(fatal) << "Wrong validity syntax!";
+  }
+
+  const std::string& ccdbHost = "http://alice-ccdb.cern.ch";
+  // long tmin = 1546300800000; // Jan 2019
+  // long tmax = 1577833200000; // Dec 2019
+  // long tmin = 1641038770000; // Jan 2022
+  // long tmax = 1663632000000; // 20 Sep 2022
+  const std::string& objectPath = Form("Users/c/chizh/Acceptance/%s", Period.c_str());
+
+  // Load weights
+  TFile* file;
+  try {
+    file = TFile::Open(FileName.c_str());
+  } catch (std::exception const& e) {
+    LOG(fatal) << "Cannot open input file!";
+  }
+
+  GFWWeights* weights;
+  try {
+    file->GetObject(Form("%s/%s", SubDir.c_str(), "weights"), weights);
+  } catch (std::exception const& e) {
+    LOG(fatal) << "Cannot get GFWWeights from inpout file!";
+  }
+
+  // Send to CCDB
+  if (!ccdbHost.empty()) {
+    LOGP(info, "Storing alignment object on {}/{}", ccdbHost, objectPath);
+    o2::ccdb::CcdbApi api;
+    map<string, string> metadata; // can be empty
+    metadata.insert(std::pair{"comment", Form("Acceptance weights for %s", Period.c_str())});
+    api.init(ccdbHost.c_str());
+    try {
+      api.storeAsTFileAny(weights, objectPath, metadata, tmin, tmax);
+    } catch (std::exception const& e) {
+      LOG(fatal) << "Failed at CCDB submission!";
+    }
+  }
+  file->Close();
+}