EntityParticipationUtils.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2020 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.assistant;
 
import java.util.Date;
import org.turro.elephant.db.ElephantPU;
import org.turro.elephant.db.WhereClause;
import org.turro.elephant.entities.db.EntityParticipation;
import org.turro.jpa.Dao;
import org.turro.participation.ParticipationReason;
 
@Deprecated
public class EntityParticipationUtils {
  
  public static EntityParticipation addParticipation(String participatorPath, String entityPath, ParticipationReason reason) {
    return addParticipation(new ElephantPU(), participatorPath, entityPath, reason);
  }
  
  public static EntityParticipation addParticipation(Dao dao, String participatorPath, String entityPath, ParticipationReason reason) {
    EntityParticipation ea = getParticipation(dao, participatorPath, entityPath, reason);
    if(ea == null) {
      ea = new EntityParticipation();
      ea.setParticipatorPath(participatorPath);
      ea.setEntityPath(entityPath);
      ea.setReason(reason);
      ea.setParticipationDate(new Date());
      return dao.saveObject(ea);
    } else {
      return ea;
    }
  }
  
  public static EntityParticipation getParticipation(String participatorPath, String entityPath, ParticipationReason reason) {
    return getParticipation(new ElephantPU(), participatorPath, entityPath, reason);
  }
  
  public static EntityParticipation getParticipation(Dao dao, String participatorPath, String entityPath, ParticipationReason reason) {
    WhereClause wc = new WhereClause();
    wc.addClause("select ep from EntityParticipation ep");
    wc.addClause("where ep.participatorPath = :participatorPath");
    wc.addNamedValue("participatorPath", participatorPath);
    wc.addClause("and ep.entityPath = :entityPath");
    wc.addNamedValue("entityPath", entityPath);
    wc.addClause("and ep.reason = :reason");
    wc.addNamedValue("reason", reason);
    return (EntityParticipation) dao.getSingleResultOrNull(wc);
  }
 
  private EntityParticipationUtils() {
  }
  
}