PublishChallengeVM.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2024 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.model;
 
import java.util.ArrayList;
import java.util.List;
import org.turro.alliance.db.AlliancePU;
import org.turro.alliance.service.AxConstants;
import org.turro.alliance.service.AxServer;
import org.turro.elephant.util.Toasts;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.json.Jsons;
import org.turro.member.db.entities.AxChallengeCategory;
import org.turro.sql.SqlClause;
import org.turro.students.entities.Challenge;
import org.turro.ws.WsServer;
import org.turro.ws.service.member.Servers;
import org.zkoss.bind.annotation.BindingParam;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.ExecutionArgParam;
import org.zkoss.bind.annotation.Init;
import org.zkoss.bind.annotation.NotifyChange;
import org.zkoss.zk.ui.Executions;
 
public class PublishChallengeVM {
 
  private Challenge challenge;
  
  @Init
  public void init(@ExecutionArgParam("challenge") Challenge challenge) {
    if(challenge != null) this.challenge = challenge;
    if(this.challenge == null) {
      this.challenge = (Challenge) Executions.getCurrent().getAttribute("challenge");
    }
  }
 
  public boolean isNeedsSave() {
    return needsSave;
  }
 
  public void setNeedsSave(boolean needsSave) {
    this.needsSave = needsSave;
  }
 
  @NotifyChange("model")
  @Command("add")
  public void add() {
    if(server != null && !inModel(server)) {
      AxChallengeCategory pc = new AxChallengeCategory();
      pc.setServerDomain(server.getServerDomain());
      pc.setChallenge(challenge);
      model.add(pc);
      needsSave = true;
    } else {
      Toasts.message(I_.get("Already in model"));
    }
  }
  
  @NotifyChange("model")
  @Command("save")
  public void save() {
    Dao dao = new AlliancePU();
    model.stream().filter(pc -> pc.isEmpty())
            .forEach(pc -> dao.deleteEntity(pc));
    model.removeIf(pc -> pc.isEmpty());
    dao.saveEntities(model);
    dao.deleteCollection(deletions);
    deletions.clear();
    needsSave = false;
  }
  
  @NotifyChange("model")
  @Command("delete")
  public void delete(@BindingParam("category") AxChallengeCategory category) {
    deletions.add(category);
    model.removeIf(pc -> pc.getServerDomain().equals(category.getServerDomain()));
    needsSave = true;
  }
  
  /* Model */
  
  private boolean needsSave;
  
  private List<AxChallengeCategory> model;
  private List<AxChallengeCategory> deletions = new ArrayList<>();
  
  public List<AxChallengeCategory> getModel() {
    if(model == null) {
      model = SqlClause.select("pc").from("AxChallengeCategory pc")
              .where().equal("pc.challengeId", String.valueOf(challenge.getId()))
              .dao(new AlliancePU())
              .resultList(AxChallengeCategory.class);
    }
    return model;
  }
 
  private boolean inModel(WsServer server) {
    return model.stream().anyMatch(apc -> apc.getServerDomain().equals(server.getServerDomain()));
  }
  
  /* Server */
  
  private WsServer server;
 
  public WsServer getServer() {
    return server;
  }
 
  public void setServer(WsServer server) {
    this.server = server;
  }
  
  public Jsons getCategories(AxChallengeCategory pc) {
    return Servers.getData(WsServer.from(pc.getServerDomain(), AxServer.SERVER_SERVICE), AxConstants.TALENT_CATEGORIES);
  }
 
}