# GalleryCreateMediaDataProcess.java

    /*
     * Copyright (C) 2000 - 2024 Silverpeas
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * As a special exception to the terms and conditions of version 3.0 of
     * the GPL, you may redistribute this Program in connection with Free/Libre
     * Open Source Software ("FLOSS") applications as described in Silverpeas's
     * FLOSS exception. You should have received a copy of the text describing
     * the FLOSS exception, and it is also available here:
     * "http://www.silverpeas.org/docs/core/legal/floss_exception.html"
     *
     * 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 Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     */
    package org.silverpeas.components.gallery.process.media;

    import org.silverpeas.components.gallery.GalleryComponentSettings;
    import org.silverpeas.components.gallery.delegate.MediaDataCreateDelegate;
    import org.silverpeas.components.gallery.model.AlbumMedia;
    import org.silverpeas.components.gallery.model.Media;
    import org.silverpeas.components.gallery.notification.AlbumMediaEventNotifier;
    import org.silverpeas.components.gallery.process.AbstractGalleryDataProcess;
    import org.silverpeas.core.contribution.content.form.PagesContext;
    import org.silverpeas.core.notification.system.ResourceEvent;
    import org.silverpeas.core.pdc.pdc.model.PdcClassification;
    import org.silverpeas.core.pdc.pdc.model.PdcPosition;
    import org.silverpeas.core.process.management.ProcessExecutionContext;
    import org.silverpeas.core.process.session.ProcessSession;
    import org.silverpeas.core.util.CollectionUtil;

    import java.util.List;

    import static org.silverpeas.core.pdc.pdc.model.PdcClassification.aPdcClassificationOfContent;

    /**
     * Process to create a media in Database
     * @author Yohann Chastagnier
     */
    public class GalleryCreateMediaDataProcess extends AbstractGalleryDataProcess {

      private final String albumId;

      /**
       * Delegate in charge of creating media data
       */
      private final MediaDataCreateDelegate delegate;

      /**
       * Default hidden constructor
       * @param media
       * @param delegate
       */
      protected GalleryCreateMediaDataProcess(final Media media, final String albumId,
          final MediaDataCreateDelegate delegate) {
        super(media);
        this.delegate = delegate;
        this.albumId = albumId;
      }

      /**
       * Gets an instance
       * @param media
       * @param delegate
       * @return
       */
      public static GalleryCreateMediaDataProcess getInstance(final Media media, final String albumId,
          final MediaDataCreateDelegate delegate) {
        return new GalleryCreateMediaDataProcess(media, albumId, delegate);
      }

      /*
       * (non-Javadoc)
       *
       * AbstractGalleryDataProcess#processData(com.silverpeas.gallery
       * .process.GalleryProcessExecutionContext, ProcessSession)
       */
      @Override
      protected void processData(final ProcessExecutionContext context,
          final ProcessSession session) throws Exception {

        // Media
        if (delegate.isHeaderData()) {
          delegate.updateHeader(getMedia());
        }

        createMedia(albumId, context);

        // Persists form data
        if (delegate.isForm()) {
          final String mediaId = getMedia().getId();
          final PagesContext pageContext =
              new PagesContext("mediaForm", "0", delegate.getLanguage(), false,
                  context.getComponentInstanceId(), context.getUser().getId(), albumId);
          pageContext.setEncoding("UTF-8");
          pageContext.setObjectId(mediaId);
          delegate.updateForm(mediaId, pageContext);
        }

        if (GalleryComponentSettings.isPdcEnabled(getMedia().getComponentInstanceId())) {
          // Insert content manager of the media
          int silverContentId =
              getGalleryContentManager().createSilverContent(getMedia(), context.getUser().getId());
          getMedia().setSilverpeasContentId(Integer.toString(silverContentId));

          // Persists pdc classification
          classifyMediaContent();
        }
      }

      private void classifyMediaContent() {
        if (delegate.isHeaderData()) {
          List<PdcPosition> pdcPositions = delegate.getHeaderData().getPdcPositions();
          if (CollectionUtil.isNotEmpty(pdcPositions)) {
            PdcClassification curClassification =
                aPdcClassificationOfContent(getMedia()).withPositions(pdcPositions);
            curClassification.classifyContent(getMedia());
          }
        }
      }

      @Override
      public void onSuccessful() throws Exception {
        super.onSuccessful();
        final AlbumMediaEventNotifier notifier = AlbumMediaEventNotifier.get();
        notifier.notifyEventOn(ResourceEvent.Type.CREATION, new AlbumMedia(albumId, getMedia()));
      }
    }