CategoryProvider.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.alliance.db.entities.AxCategory;
import org.turro.jpa.Dao;
import org.turro.json.Jsons;
import org.turro.sql.SqlClause;
import org.turro.util.Cached;
import org.turro.ws.WsMember;
import org.turro.ws.content.JsonServerProvider;
 
public class CategoryProvider extends JsonServerProvider {
 
  public CategoryProvider(WsMember member, String reason, Jsons criteria) {
    super(member, reason, criteria);
  }
 
  @Override
  protected Jsons loadData(WsMember member, String reason, Jsons criteria) {
    Jsons categories = Jsons.array();
    SqlClause.select("p").from("AxCategory p")
            .dao(dao.get())
            .resultList(AxCategory.class).forEach(category -> {
              categories.addValue(Jsons.read(category.toJson()));              
            });
    return categories;
  }
 
  @Override
  protected long count(WsMember member, String reason, Jsons criteria) {
    return SqlClause.select("count(p)").from("AxCategory p")
            .dao(dao.get())
            .singleResult(Long.class, 0L);
  }
 
  private final Cached<Dao> dao = Cached.instance(() -> new AlliancePU());
 
}