Preferences.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2023 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.alliance.provider;
 
import org.turro.alliance.db.AlliancePU;
import org.turro.jpa.Dao;
import org.turro.server.db.entities.AxMemberPreferences;
import org.turro.sql.SqlClause;
import org.turro.util.Cached;
import org.turro.ws.WsMember;
 
public class Preferences {
 
  /* Utils */
  
  private AxMemberPreferences preferences;
  
  public AxMemberPreferences getPreferences() {
    if(preferences == null) {
      preferences = SqlClause.select("p").from("AxMemberPreferences p")
              .where().equal("memberId", member.getMemberId())
              .dao(dao.get())
              .singleResult(AxMemberPreferences.class, null);
      if(preferences == null) {
        preferences = new AxMemberPreferences();
        preferences.setMemberId(member.getMemberId());
        preferences = save();
      }
    }
    return preferences;
  }
  
  private AxMemberPreferences save() {
    return dao.get().saveObject(preferences);
  }
  
  /* Dao */
  
  private final Cached<Dao> dao = Cached.instance(() -> new AlliancePU());
 
  /* Factory */
  
  public static Preferences of(WsMember member) {
    return new Preferences(member);
  }
  
  private final WsMember member;
 
  private Preferences(WsMember member) {
    this.member = member;
  }
  
}