/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2021 Osimis S.A., Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * In addition, as a special exception, the copyright holders of this
 * program give permission to link the code of its release with the
 * OpenSSL project's "OpenSSL" library (or with modified versions of it
 * that use the same license as the "OpenSSL" library), and distribute
 * the linked executables. You must obey the GNU General Public License
 * in all respects for all of the code used other than "OpenSSL". If you
 * modify file(s) with this exception, you may extend this exception to
 * your version of the file(s), but you are not obligated to do so. If
 * you do not wish to do so, delete this exception statement from your
 * version. If you delete this exception statement from all source files
 * in the program, then also delete it here.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#include "../../PrecompiledHeadersServer.h"
#include "IGetChildrenMetadata.h"

namespace Orthanc
{
  namespace Compatibility
  {
    void IGetChildrenMetadata::Apply(IGetChildrenMetadata& database,
                                     std::list<std::string>& target,
                                     int64_t resourceId,
                                     MetadataType metadata)
    {
      // This function comes from an optimization of
      // "ServerIndex::GetSeriesStatus()" in Orthanc <= 1.5.1
      // Loop over the instances of this series

      target.clear();
      
      std::list<int64_t> children;
      database.GetChildrenInternalId(children, resourceId);

      for (std::list<int64_t>::const_iterator 
             it = children.begin(); it != children.end(); ++it)
      {
        std::string value;
        int64_t revision;  // Ignored
        if (database.LookupMetadata(value, revision, *it, metadata))
        {
          target.push_back(value);
        }
      }
    }
  }
}