EditChallengeControl.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2019 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.students.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.entities.Entities;
import org.turro.entities.EntityCombobox;
import org.turro.entities.EntityRole;
import org.turro.entities.IElephantEntity;
import org.turro.jpa.Dao;
import org.turro.marker.MarkerHelper;
import org.turro.plugin.contacts.IContact;
import org.turro.students.ChallengeContext;
import org.turro.students.db.StudentsPU;
import org.turro.students.entities.Challenge;
import org.turro.students.mail.ChallengeChangedNotification;
import org.turro.students.mail.NewChallengeNotification;
import org.turro.students.wrappers.ChallengeWrapper;
import org.turro.zkoss.text.WikiEditor;
import org.zkoss.zk.ui.select.annotation.Listen;
import org.zkoss.zk.ui.select.annotation.Wire;
import org.zkoss.zul.Datebox;
import org.zkoss.zul.Textbox;
 
public class EditChallengeControl extends TemplateControl {
  
  private Challenge challenge;
  private String contextPath;
 
  @Wire("#entity") private EntityCombobox entity;
  @Wire("#question") private Textbox question;
  @Wire("#deadline") private Datebox deadline;
  @Wire("#text") private WikiEditor text;
  
  @Listen("onChange=#question")
  public void onQuestion() {
    challenge.setQuestion(question.getValue());
  }
 
  @Listen("onChange=#text")
  public void onText() {
    challenge.setWikiText(text.getValue());
  }
 
  @Listen("onChange=#deadline")
  public void onDeadline() {
    challenge.setDeadline(deadline.getValue());
  }
 
  @Listen("onClick=#save")
  public void onSave() {
    ChallengeWrapper dw = new ChallengeWrapper(challenge);
    challenge.setEntityPath(entity.getEntityPath());
    if(!challenge.isEmpty()) {
      boolean isNew = challenge.getId() == null;
      challenge = dw.save();
      Application.getApplication().sendRedirect(contextPath + "?" + 
              MarkerHelper.setObfuscatedRightNowPars("item=" + challenge.getId()));
      if(isNew) {
        new NewChallengeNotification(challenge).sendNotification();
      } else {
        new ChallengeChangedNotification(challenge).sendNotification();
      }
    }
  }
  
  @Listen("onClick=#cancel")
  public void onCancel() {
    if(challenge.getId() != null && challenge.getId() > 0) {
      Application.getApplication().sendRedirect(contextPath + "?" + 
              MarkerHelper.setObfuscatedRightNowPars("item=" + challenge.getId()));
    } else {
      Application.getApplication().sendRedirect(contextPath); 
    }
  }
  
  public String getContextPath() {
    return contextPath;
  }
 
  public void setContextPath(String contextPath) {
    this.contextPath = contextPath;
  }
 
  public void setChallenge(Challenge challenge) {
    this.challenge = challenge;
  }
 
  public Challenge getChallenge() {
    checkChallenge();
    return challenge;
  }
 
  @Override
  protected void doFinally() {
    super.doFinally();
    checkChallenge();
    initComponents();
  }  
 
  private void checkChallenge() {
    KeyValueMap kvm = MarkerHelper.getObfuscatedParameters();
    if(challenge == null) {
      if(kvm != null && !kvm.isEmpty() && kvm.containsKey("item")) {
        Long challengeId = kvm.get(Long.class, "item");
        if(challengeId > 0) {
          challenge = getDao().find(Challenge.class, challengeId);
        }
      }
    }
    if(challenge == null) {
      if(kvm != null && !kvm.isEmpty() && kvm.containsKey("entityPath")) {
        IContact contact = Authentication.getIContact();
        challenge = new Challenge();
        challenge.setContact(contact);
        challenge.setCreation(new Date());
        challenge.setEntityPath(kvm.get("entityPath"));
      } else {
        //Application.getApplication().sendRedirect(contextPath);
        IContact contact = Authentication.getIContact();
        challenge = new Challenge();
        challenge.setContact(contact);
        challenge.setCreation(new Date());
      }
    }
  }
  
  private void initComponents() {
    KeyValueMap kvm = new KeyValueMap();
    IConstructor constructor = Application.getApplication().getConstructor();
    entity.setRoot(ChallengeContext.getAllowedRoots(constructor));
    String dossierCategories = ChallengeContext.getDossierCategories(constructor);
    if(!Strings.isBlank(dossierCategories)) {
      kvm.put("dossier-categories", dossierCategories);
    }
    entity.setParameters(kvm);
    entity.setEntityPath(challenge.getEntityPath());
    if(challenge.getId() != null && challenge.getId() > 0) {
      IContact contact = Authentication.getIContact();
      IElephantEntity iee = Entities.getController(challenge.getEntityPath());
      if(contact.isAdmin() || iee.hasRelatedRole(EntityRole.CHALLENGER, contact)) {
        question.setValue(challenge.getQuestion());
        deadline.setValue(challenge.getDeadline());
        text.setValue(challenge.getWikiText());
        text.setFileFolder("/_internal/files/challenge/" + challenge.getId());
        text.setImageFolder("/_internal/files/challenge/" + challenge.getId());
      } else {
        Application.getApplication().sendRedirect(contextPath);
      }
    } else {
      text.setFileFolder("/_internal/files/challenge/empty");
      text.setImageFolder("/_internal/files/challenge/empty");
      text.setReadOnlyRepository(true);
    }
  }
  
  /* Dao */
  
  private Dao _dao;
  
  private Dao getDao() {
    if(_dao == null) {
      _dao = new StudentsPU();
    }
    return _dao;
  }
 
}