# KmeliaContentManager.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.kmelia;

    import org.silverpeas.core.ResourceReference;
    import org.silverpeas.core.annotation.Service;
    import org.silverpeas.core.contribution.contentcontainer.content.AbstractSilverpeasContentManager;
    import org.silverpeas.core.contribution.contentcontainer.content.ContentManagerException;
    import org.silverpeas.core.contribution.contentcontainer.content.SilverContentVisibility;
    import org.silverpeas.core.contribution.model.Contribution;
    import org.silverpeas.core.contribution.publication.model.PublicationDetail;
    import org.silverpeas.core.contribution.publication.model.PublicationPK;
    import org.silverpeas.core.contribution.publication.service.PublicationService;
    import org.silverpeas.core.security.authorization.PublicationAccessControl;

    import java.io.Serializable;
    import java.sql.Connection;
    import java.util.List;
    import java.util.Optional;
    import java.util.stream.Collectors;

    /**
     * The kmelia implementation of SilverpeasContentManager.
     */
    @Service
    public class KmeliaContentManager extends AbstractSilverpeasContentManager implements Serializable {
      private static final long serialVersionUID = 3525407153404515235L;

      private static final String CONTENT_ICON_FILE_NAME = "kmeliaSmall.gif";

      /**
       * Hidden constructor as this implementation must be GET by CDI mechanism.
       */
      protected KmeliaContentManager() {
      }

      @Override
      protected String getContentIconFileName(final String componentInstanceId) {
        return CONTENT_ICON_FILE_NAME;
      }

      @Override
      protected Optional<Contribution> getContribution(final String resourceId,
          final String componentInstanceId) {
        return Optional.ofNullable(
            getPublicationService().getDetail(new PublicationPK(resourceId, componentInstanceId)));
      }

      @Override
      protected List<Contribution> getAccessibleContributions(final List<ResourceReference> resourceReferences,
          final String currentUserId) {
        final List<PublicationPK> ids = resourceReferences.stream()
            .map(r -> new PublicationPK(r.getLocalId(), r.getComponentInstanceId()))
            .collect(Collectors.toList());
        final List<PublicationDetail> publications = getPublicationService().getPublications(ids);
        return PublicationAccessControl.get()
            .filterAuthorizedByUser(currentUserId, publications)
            .collect(Collectors.toList());
      }

      /**
       * delete a content. It is registered to contentManager service
       *
       * @param con a Connection
       * @param pubPK the identifiant of the content to unregister
       */
      public void deleteSilverContent(Connection con, PublicationPK pubPK)
          throws ContentManagerException {
        deleteSilverContent(con, pubPK.getId(), pubPK.getComponentName());
      }

      @Override
      protected <T extends Contribution> SilverContentVisibility computeSilverContentVisibility(
          final T contribution) {
        final PublicationDetail pubDetail = (PublicationDetail) contribution;
        return new SilverContentVisibility(pubDetail.getBeginDate(), pubDetail.getEndDate(),
            isVisible(pubDetail));
      }

      private boolean isVisible(PublicationDetail pubDetail) {
        return PublicationDetail.VALID_STATUS.equals(pubDetail.getStatus());
      }

      private PublicationService getPublicationService() {
        return PublicationService.get();
      }
    }