# KmeliaDelayedVisibilityUserNotificationReminderInitializer.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.kmelia.notification;

    import org.apache.commons.io.FileUtils;
    import org.silverpeas.components.kmelia.service.KmeliaService;
    import org.silverpeas.core.annotation.Service;
    import org.silverpeas.core.contribution.publication.model.PublicationDetail;
    import org.silverpeas.core.contribution.publication.model.PublicationPK;
    import org.silverpeas.core.initialization.Initialization;
    import org.silverpeas.core.persistence.jdbc.bean.PersistenceException;
    import org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery;
    import org.silverpeas.core.util.Charsets;
    import org.silverpeas.core.util.DateUtil;
    import org.silverpeas.core.util.file.FileRepositoryManager;
    import org.silverpeas.kernel.SilverpeasRuntimeException;

    import javax.inject.Inject;
    import java.io.File;
    import java.io.IOException;
    import java.sql.SQLException;
    import java.text.MessageFormat;
    import java.time.LocalDateTime;
    import java.time.ZoneId;
    import java.util.List;

    /**
     * In charge of initializing the reminder about news with a publish visibility set into the future.
     * @author silveryocha
     */
    @Service
    public class KmeliaDelayedVisibilityUserNotificationReminderInitializer
        implements Initialization {

      private final File dataFile = new File(FileRepositoryManager.getInitDataDirPath(),
          "kmeliaDelayedVisibilityReminderInitialization");

      @Inject
      private KmeliaDelayedVisibilityUserNotificationReminder delayedVisibilityUserNotificationReminder;

      @Override
      public void init() throws PersistenceException {
        if (!dataFile.exists()) {
          final List<PublicationPK> potentialPubIds = getPublicationPKS();
          final StringBuilder report = new StringBuilder((potentialPubIds.size() + 1) * 180);
          try {
            if (potentialPubIds.isEmpty()) {
              report.append("No reminder has been set about delayed visibility.");
            } else {
              potentialPubIds.forEach(i -> {
                final PublicationDetail potentialPub = KmeliaService.get().getPublicationDetail(i);
                if (delayedVisibilityUserNotificationReminder.setAbout(potentialPub)) {
                  report.append(MessageFormat.format(
                      "Reminder set for publication with id {0}, located into instance {1}, with " +
                          "visibility set to {2} at {3}\n", potentialPub.getId(),
                      potentialPub.getComponentInstanceId(), LocalDateTime
                          .ofInstant(potentialPub.getBeginDate().toInstant(), ZoneId.systemDefault())
                          .toLocalDate(), potentialPub.getBeginHour()));
                }
              });
            }
          } finally {
            writeReport(report);
          }
        }
      }

      private static List<PublicationPK> getPublicationPKS() throws PersistenceException {
        final List<PublicationPK> potentialPubIds;
        try {
          potentialPubIds = JdbcSqlQuery.select("pubId, instanceId")
              .from("sb_publication_publi")
              .where("instanceId like 'kmelia%'")
              .and("pubbegindate >= ?", DateUtil.today2SQLDate())
              .execute(r -> new PublicationPK(String.valueOf(r.getInt(1)), r.getString(2)));
        } catch (SQLException e) {
          throw new PersistenceException(e.getMessage(), e);
        }
        return potentialPubIds;
      }

      private void writeReport(StringBuilder report) {
        try {
          FileUtils.write(dataFile, report.toString(), Charsets.UTF_8);
        } catch (IOException e) {
          throw new SilverpeasRuntimeException(e);
        }
      }
    }