# DelegatedPublicationEventListener.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:
     * "https://www.silverpeas.org/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.delegatednews;

    import org.silverpeas.components.delegatednews.model.DelegatedNews;
    import org.silverpeas.components.delegatednews.service.DelegatedNewsService;
    import org.silverpeas.core.admin.service.OrganizationControllerProvider;
    import org.silverpeas.core.annotation.Bean;
    import org.silverpeas.core.contribution.publication.model.PublicationDetail;
    import org.silverpeas.core.contribution.publication.notification.PublicationEvent;
    import org.silverpeas.core.notification.system.CDIResourceEventListener;
    import org.silverpeas.kernel.util.StringUtil;

    import javax.inject.Inject;

    import static org.silverpeas.components.delegatednews.service.DelegatedNewsService.Constants.DELEGATED_COMPONENT_PARAM;

    /**
     * @author mmoquillon
     */
    @Bean
    public class DelegatedPublicationEventListener extends CDIResourceEventListener<PublicationEvent> {

      @Inject
      private DelegatedNewsService delegatedNewsService;

      @Override
      public void onUpdate(PublicationEvent event) {
        final PublicationDetail pubDetail = event.getTransition().getAfter();
        if (isDelegatedNewsActivated(pubDetail.getInstanceId())) {
          final DelegatedNews delegatedNews = delegatedNewsService.getDelegatedNews(pubDetail.getId());
          if (delegatedNews != null) {
            delegatedNewsService.updateDelegatedNews(pubDetail.getIdentifier(),
                pubDetail.getUpdaterId(), pubDetail.getVisibility().getSpecificPeriod().orElse(null));
          }
        }
      }

      @Override
      public void onDeletion(final PublicationEvent event) {
        final PublicationDetail pubDetail = event.getTransition().getBefore();
        if (isDelegatedNewsActivated(pubDetail.getInstanceId())) {
          delegatedNewsService.deleteDelegatedNews(pubDetail.getId());
        }
      }

      private boolean isDelegatedNewsActivated(String componentId) {
        final String paramValue = OrganizationControllerProvider.getOrganisationController()
            .getComponentParameterValue(componentId, DELEGATED_COMPONENT_PARAM);
        return StringUtil.getBooleanValue(paramValue);
      }
    }