NewsletterComposer.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2018 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.newsletter;
 
import java.io.IOException;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.action.Contacts;
import org.turro.action.queue.Notifications;
import org.turro.auth.Authentication;
import org.turro.elephant.context.Application;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.util.Messages;
import org.turro.entities.ActionWithEntity;
import org.turro.i18n.I_;
import org.turro.jpa.composer.EntityComposer;
import org.turro.jpa.entity.DaoEntity;
import org.turro.mail.message.MailInline;
import org.turro.mail.message.MailMessageTemplate;
import org.turro.mail.queue.GenericElephantNotification;
import org.turro.newsletter.mail.NewsletterSendToSubscribers;
import org.turro.plugin.contacts.IContact;
import org.turro.publication.db.PublicationPU;
import org.turro.publication.entity.Newsletter;
import org.turro.publication.zul.menu.PublicationMenu;
import org.turro.queue.zul.AllCategoriesListbox;
import org.turro.zkoss.dialog.SelectionDialog;
import org.turro.zkoss.input.DateboxShort;
import org.turro.zkoss.locale.LangListbox;
import org.turro.zul.frame.Framework;
import org.zkoss.zk.ui.Component;
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.zk.ui.util.Clients;
import org.zkoss.zul.Checkbox;
import org.zkoss.zul.Div;
import org.zkoss.zul.Html;
import org.zkoss.zul.Textbox;
 
public class NewsletterComposer extends EntityComposer<Newsletter, Long> {
 
  private boolean modified;
  
  @Wire("#newsDate")
  private DateboxShort newsDate;
  
  @Wire("#newsCategory")
  private AllCategoriesListbox newsCategory;
  
  @Wire("#newsLang")
  private LangListbox newsLang;
 
  @Wire("#newsTemplate")
  private TemplatesMailListbox newsTemplate;
 
  @Wire("#accepted")
  private Checkbox accepted;
  
  @Wire("#newsTitle")
  private Textbox newsTitle;
  
  @Wire("#staticContent")
  private Checkbox staticContent;
  
  @Wire("#sendingChoice")
  private SendingChoiceListbox sendingChoice;
  
  @Wire("#preview")
  private ActionWithEntity actionWithEntity;
  
  @Wire("#sectionGrid")
  private SectionsGrid sectionsGrid;
  
  @Listen("onClick = #preview")
  public void onPreview() {
    IContact contact = Contacts.getContact(actionWithEntity.getEntity());
    if(contact != null && contact.isWebUser()) {
      try (NewsletterTemplate nt = new NewsletterTemplate(entity)) {
        MailMessageTemplate mmt = nt.getMailMessage(null, contact);
        Div div = new Div();
        div.setStyle("overflow:auto;");
        Html html = new Html(new MailInline().inline(mmt.getMessage()));
        div.appendChild(html);
        SelectionDialog.showComponent(getPage(), I_.get("Preview"), div, "800px", "80%", null);
        entity.resetGlobalContext();
      } catch (IOException ex) {
        Logger.getLogger(NewsletterComposer.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
      }
    }
  }
  
  @Listen("onClick = #sendNow")
  public void onSendNow() {
    if(entity != null && !entity.isEmpty()) {
      new NewsletterSendToSubscribers(entity).send();
      Clients.showNotification(I_.get("Queued sender started"));
    }
  }
  
  @Listen("onChange = #pubTitle")
  public void onTitle(InputEvent event) {
    entity.setTitle(event.getValue());
    modified = true;
  }
  
  @Override
  protected String getAttributeName() {
    return "newsletter";
  }
 
  @Override
  protected Newsletter getEntityInstance(Long id) {
    if(id == null) {
      entity = new Newsletter();
      entity.setCreation(new Date());
      entity.setDate(entity.getCreation());
      entity.setSendingChoice(SendingChoice.USER_WANTS);
      entity.setCategory(Notifications.getCategory(GenericElephantNotification.GENERIC_NOTIFICATION));
    } else {
      entity = new PublicationPU().find(Newsletter.class, id);
    }
    return entity;
  }
 
  @Override
  protected DaoEntity getWrapperInstance(Component comp) {
    NewsletterWrapper w =  new NewsletterWrapper(entity);
    Framework.getCurrent().setSelectedLabel(w.getTabLabel());
    Framework.getCurrent().setSelectedTooltiptext(w.getTooltiptext());
    return w;
  }
 
  @Override
  public void doFinally() throws Exception {
    super.doFinally();
    newsDate.setValue(entity.getDate());
    newsCategory.setCategory(entity.getCategory());
    newsLang.setObjectValue(entity.getLang());
    newsTemplate.setObjectValue(entity.getTemplate());
    newsTitle.setValue(entity.getUnescapedTitle());
    accepted.setChecked(entity.isAccepted());
    staticContent.setChecked(entity.isStaticContent());
    sendingChoice.setObjectValue(entity.getSendingChoice());
    if(!Application.getApplication().isInRole("publication:accept")) {
      accepted.setDisabled(true);
    }
    sectionsGrid.setNewsletter(entity);
    actionWithEntity.setRoot("contact");
    actionWithEntity.setEntity(Authentication.getIContact().getContact());
  }
 
  @Override
  protected boolean beforeSave() {
    if(modified && !Application.getApplication().isInRole("publication:accept")) {
      entity.setAccepted(false);
    }
    return super.beforeSave();
  }
 
  @Override
  protected boolean shouldBeSaved() {
    return !entity.isEmpty() && super.shouldBeSaved();
  }
 
  @Override
  protected boolean inSaveRole() {
    return Application.getApplication().isInRole("publication:edit");
  }
 
  @Override
  protected boolean inDeleteRole() {
    return Application.getApplication().isInRole("publication:delete");
  }
 
  @Override
  public void afterSave() {
    if(entity != null) {
      PublicationMenu.showNewsletter(entity.getId());
    }
  }
 
  @Override
  protected void doOnDelete() {
    Messages.confirmDeletion().show(() -> {
      NewsletterComposer.super.doOnDelete();
    });
  }
 
}