File indexing completed on 2025-01-19 03:59:32

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2023-21-06
  * Description : Thread actions task for metadata remover.
  *
  * SPDX-FileCopyrightText: 2013-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
  * SPDX-FileCopyrightText: 2023      by Maik Qualmann <metzpinguin at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #include "metadataremovetask.h"
 
 // Local includes
 
 #include "digikam_debug.h"
 #include "coredboperationgroup.h"
 #include "maintenancedata.h"
 #include "scancontroller.h"
 #include "facetagseditor.h"
 #include "metadatahub.h"
 #include "faceutils.h"
 #include "tagscache.h"
 #include "iteminfo.h"
 
 namespace Digikam
 {
 
 class Q_DECL_HIDDEN MetadataRemoveTask::Private
 {
 public:
 
     explicit Private()
         : removeAction (MetadataRemover::None),
           data         (nullptr)
     {
     }
 
     MetadataRemover::RemoveAction removeAction;
 
     MaintenanceData*              data;
 };
 
 // -------------------------------------------------------
 
 MetadataRemoveTask::MetadataRemoveTask()
     : ActionJob(),
       d        (new Private)
 {
 }
 
 MetadataRemoveTask::~MetadataRemoveTask()
 {
     cancel();
     delete d;
 }
 
 void MetadataRemoveTask::setRemoveAction(MetadataRemover::RemoveAction action)
 {
     d->removeAction = action;
 }
 
 void MetadataRemoveTask::setMaintenanceData(MaintenanceData* const data)
 {
     d->data = data;
 }
 
 void MetadataRemoveTask::run()
 {
     // While we have data (using this as check for non-null)
 
     while (d->data)
     {
         if (m_cancel)
         {
             return;
         }
 
         ItemInfo item = d->data->getItemInfo();
 
         // If the item is null, we are done.
 
         if (item.isNull())
         {
             break;
         }
 
         if      (d->removeAction == MetadataRemover::Faces)
         {
             if (FaceTagsEditor().databaseFaces(item.id()).size() > 0)
             {
                 FaceUtils().removeAllFaces(item.id());
             }
         }
         else if (d->removeAction == MetadataRemover::Tags)
         {
             const QList<int>& tagIds = TagsCache::instance()->publicTags(item.tagIds());
 
             if (!tagIds.isEmpty())
             {
                 bool tagRemoved = false;
                 QList<int> confirmedFaceTags;
 
                 Q_FOREACH (const FaceTagsIface& face, FaceTagsEditor().confirmedFaceTagsIfaces(item.id()))
                 {
                     confirmedFaceTags << face.tagId();
                 }
 
                 {
                     CoreDbOperationGroup group;
                     group.setMaximumTime(200);
 
                     Q_FOREACH (int tag, tagIds)
                     {
                         if (!confirmedFaceTags.contains(tag)  &&
                             !FaceTags::isSystemPersonTagId(tag))
                         {
                             item.removeTag(tag);
                             group.allowLift();
 
                             tagRemoved = true;
                         }
                     }
                 }
 
                 if (tagRemoved)
                 {
                     MetadataHub hub;
                     hub.load(item);
 
                     ScanController::FileMetadataWrite writeScope(item);
                     writeScope.changed(hub.writeToMetadata(item, MetadataHub::WRITE_TAGS));
                 }
             }
         }
 
         Q_EMIT signalFinished(QImage());
     }
 
     Q_EMIT signalDone();
 }
 
 } // namespace Digikam
 
 #include "moc_metadataremovetask.cpp"