CategoryJsonTree.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.client;
 
import java.io.Writer;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import org.turro.alliance.service.AxConstants;
import org.turro.collections.Item;
import org.turro.elephant.context.IConstructor;
import org.turro.json.Jsons;
import org.turro.marker.ElephantMarker;
import org.turro.ws.WsServer;
import org.turro.ws.content.tree.JsonHtmlClientTree;
import org.turro.ws.service.WsConstants;
 
public class CategoryJsonTree extends JsonHtmlClientTree<Long> {
 
  public CategoryJsonTree(WsServer server, IConstructor constructor, Writer writer) {
    super(server, constructor, writer);
  }
 
  @Override
  protected void renderTree(ElephantMarker marker, List<Item<Jsons, Long>> items) {
    marker.put("server", getServer());
    marker.put("items", items);
    marker.process(getTemplateRoot(), getTreeTemplate(), getWriter());
  }
 
  @Override
  protected void renderItem(ElephantMarker marker, Jsons item) {
    //
  }
 
  @Override
  protected String reason() {
    return AxConstants.CATEGORY_ITERATOR;
  }
 
  @Override
  protected Jsons criteria() {
    return Jsons.object();
  }
 
  @Override
  protected Long getId(Jsons entity) {
    return entity.getLong("categoryId");
  }
 
  @Override
  protected Long getParentId(Jsons entity) {
    return Optional.ofNullable(entity.getObject("parent"))
            .filter(parent -> !Jsons.isNull(parent))
            .map(parent -> parent.getLong("categoryId"))
            .orElse(null);
  }
 
  @Override
  protected Jsons getEntity(Long id) {
    return flat().stream()
            .filter(i -> Objects.equals(id, i.getId()))
            .map(i -> i.getValue())
            .findFirst().orElse(null);
  }
 
  protected String getTemplateRoot() {
    return "alliance/client/category";
  }
}