CreateTopicControl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2021 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.forum.www;
 
import java.util.Date;
import org.turro.string.Strings;
import org.turro.auth.Authentication;
import org.turro.collections.KeyValueMap;
import org.turro.elephant.TemplateControl;
import org.turro.elephant.context.Application;
import org.turro.elephant.context.IConstructor;
import org.turro.elephant.db.ElephantPU;
import org.turro.elephant.entities.db.Topic;
import org.turro.entities.EntityCombobox;
import org.turro.forum.ForumContext;
import org.turro.forum.Forums;
import org.turro.forum.db.UniquePath;
import org.turro.html.HTMLEntities;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.marker.MarkerHelper;
import org.turro.plugin.contacts.IContact;
import org.zkoss.zk.ui.event.InputEvent;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Label;
import org.zkoss.zul.Textbox;
 
public class CreateTopicControl extends TemplateControl {
  
  private String contextPath;
 
  @Wire("#entity") private EntityCombobox entity;
  @Wire("#text") private Textbox text;
  @Wire("#counter") private Label counter;
  
  @Listen("onChanging=#text")
  public void onTexting(InputEvent event) {
    counter.setValue(I_.get("Minimum") +
            " " + event.getValue().length() +
            "/100");
  }
  
  @Listen("onClick=#save")
  public void onSave() {
    Topic topic = new Topic();
    String topicText = text.getValue(),
           entityPath = entity.getEntityPath();
    if(entityPath != null && !Strings.isBlank(topicText) && topicText.length() > 100) {
      IContact contact = Authentication.getIContact();
      topic.setText(HTMLEntities.escape(topicText));
      topic.setCreation(new Date());
      topic.setAuthorId(contact.getId());
      topic.setEntityPath(entityPath);
      if(!topic.isEmpty()) {
        topic = getDao().saveObject(topic);
        UniquePath.normalizeUniquePaths(topic);
        Forums.markAsUnseenExceptFor(topic, contact);
        Forums.notify(topic);
        Application.getApplication().sendRedirect("/user/forums?" + 
                MarkerHelper.setObfuscatedRightNowPars("item=" + topic.getId()));
      }
    }
  }
  
  @Listen("onClick=#cancel")
  public void onCancel() {
    Application.getApplication().sendRedirect(contextPath); 
  }
  
  public String getContextPath() {
    return contextPath;
  }
 
  public void setContextPath(String contextPath) {
    this.contextPath = contextPath;
  }
 
  @Override
  protected void doFinally() {
    super.doFinally();
    if(ForumContext.getAllowNew(Application.getApplication().getConstructor())) {
      initComponents();
    } else {
      Application.getApplication().sendRedirect(contextPath);
    }
  }  
 
  private void initComponents() {
    KeyValueMap kvm = new KeyValueMap();
    IConstructor constructor = Application.getApplication().getConstructor();
    entity.setRoot(ForumContext.getAllowedRoots(constructor));
    String dossierCategories = ForumContext.getDossierCategories(constructor);
    if(!Strings.isBlank(dossierCategories)) {
      kvm.put("dossier-categories", dossierCategories);
    }
    entity.setParameters(kvm);
  }
  
  /* Dao */
  
  private Dao _dao;
  
  private Dao getDao() {
    if(_dao == null) {
      _dao = new ElephantPU();
    }
    return _dao;
  }
 
}