DossierCleanup.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * 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.
 *
 * 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 <http://www.gnu.org/licenses/>.
 */
 
package org.turro.cleanup;
 
import java.util.Set;
import java.util.stream.Stream;
import org.turro.dossier.db.DossierPU;
import org.turro.dossier.dw.DatawarehouseUtil;
import org.turro.dossier.entity.Dossier;
import org.turro.dossier.entity.Issue;
import org.turro.jpa.Dao;
import org.turro.sql.SqlClause;
 
@ElephantCleanup
public class DossierCleanup extends AbstractCleanup {
 
  @Override
  public boolean isMine(Object entity) {
    return entity instanceof Dossier;
  }
 
  @Override
  public void cleanEntity(Object entity, CleanupMode mode) {
    if(entity instanceof Dossier dossier) {
      String entityPath = DossierPU.getObjectPath(dossier);
      Dao dao = new DossierPU();
      cleanupIssues(dao, dossier, mode);
      cleanupRequests(dao, dossier, mode);
      getConsole().addMessage(dossier.getDescription());
      Cleanup.executeForCommons(entityPath, getConsole(), mode, Set.of(Commons.values()));
      CleanupAction.from("Removing DW...", 
              () -> DatawarehouseUtil.remove(dao, dossier))
              .execute(getConsole(), mode);
      CleanupAction.from("Deleting entity...", 
              () -> dao.deleteObject(dossier))
              .execute(getConsole(), mode);
    }
  }
 
  private void cleanupIssues(Dao dao, Dossier dossier, CleanupMode mode) {
    try(Stream<Issue> stream = SqlClause.select("i").from("Issue i")
            .where().equal("i.dossier", dossier)
            .dao(dao)
            .stream(Issue.class)) {
      stream.forEach(issue -> {
              Cleanup.executeForEntity(issue, getConsole(), mode);
            });
    }
  }
 
  private void cleanupRequests(Dao dao, Dossier dossier, CleanupMode mode) {
    CleanupAction.from("Removing requests...", () -> {
            SqlClause.delete("ParticipantRequest")
                    .where().equal("dossier", dossier)
                    .dao(dao).execute();
    }).execute(getConsole(), mode);
  }
 
  @Override
  public void cleanOrphans() {
    Dao dao = new DossierPU();
    SqlClause.delete("Participant")
            .where().isNull("dossier")
            .dao(dao)
            .execute();
    SqlClause.delete("ParticipantRequest")
            .where().isNull("dossier")
            .dao(dao)
            .execute();
    SqlClause.delete("CategoryRequest")
            .where().isNull("category")
            .dao(dao)
            .execute();
    cleanOrphansFor("dossier", getEntityPaths(dao, Long.class, "Dossier", "id", "dossier"));
  }
 
}