NewsletterSendToSubscribers.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.newsletter.mail;
 
import java.io.IOException;
import java.util.Collection;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.mail.EmailException;
import org.turro.action.Contacts;
import org.turro.action.IAgreements;
import org.turro.action.Plugins;
import org.turro.action.queue.NotificationCategory;
import org.turro.action.queue.Notifications;
import org.turro.action.queue.QueuePeriod;
import org.turro.assistant.Assistant;
import org.turro.assistant.AssistantSet;
import org.turro.elephant.context.Application;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.entities.db.QueueOptions;
import org.turro.mail.message.MailMessageTemplate;
import org.turro.mail.pool.MailMessagePool;
import org.turro.mail.provider.MailProviders;
import org.turro.mail.queue.QueueManager;
import org.turro.mail.queue.QueuedSender;
import org.turro.newsletter.NewsletterTemplate;
import org.turro.plugin.contacts.IContact;
import org.turro.publication.entity.Newsletter;
 
public class NewsletterSendToSubscribers extends QueuedSender {
 
  private final Newsletter newsletter;
 
  public NewsletterSendToSubscribers(Newsletter newsletter) {
    this.newsletter = newsletter;
  }
          
  @Override
  protected void doSend() {
    AssistantSet assistants = getAssistants();
    MailMessagePool pool = MailProviders.instance().getPool(Application.getApplication().getConstructor(), "Publication");
    if(pool != null) {
      IAgreements agreements = Plugins.loadImplementation(IAgreements.class, "agreements");
      NotificationCategory nc = Notifications.getCategory(newsletter.getIdCategory());
      for(Assistant assistant : assistants) {
        if(assistant.getContact().acceptsLang(newsletter.getLang())) {
          agreements.setContact(assistant.getContact());
          if(agreements.canSendEmails(nc)) {
            try (NewsletterTemplate nt = new NewsletterTemplate(newsletter)) {
              MailMessageTemplate mmt = nt.getMailMessage(pool, assistant.getContact());
              if(newsletter.trigger(assistant.getContact())) {
                pool.addToPool(mmt);
                pool.sendPool();
                pause();
              }
            } catch (IOException | EmailException ex) {
              Logger.getLogger(NewsletterSendToSubscribers.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
            }
          }
        }
      }
      newsletter.resetGlobalContext();
    }
  }
  
  private AssistantSet getAssistants() {
    QueueManager qm = new QueueManager();
    Collection<QueueOptions> subs = qm.getSubcribers(newsletter.getIdCategory());
    AssistantSet assistants = new AssistantSet();
    for(QueueOptions qo : subs) {
      if(qo.getIdContact() != null && !QueuePeriod.DONT_SEND.equals(qo.getPeriod())) {
        IContact c = Contacts.getContactById(qo.getIdContact());
        if(c.isWebUser()) {
          assistants.addContact(c, null);
        }
      }
    }
    return assistants;
  }
 
}