ContactQueueSender.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2017 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.mail.queue;
 
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.string.Strings;
import org.apache.commons.mail.EmailException;
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.elephant.context.ElephantContext;
import org.turro.elephant.context.IConstructor;
import org.turro.elephant.entities.db.MailItem;
import org.turro.elephant.security.IUser;
import org.turro.i18n.I_;
import org.turro.mail.message.MailMessageTemplate;
import org.turro.mail.pool.MailMessagePool;
import org.turro.mail.provider.MailProviders;
import org.turro.marker.ElephantMarker;
import org.turro.plugin.contacts.IContact;
import org.turro.util.CompareUtil;
 
public class ContactQueueSender extends QueuedSender {
 
  private final IConstructor constructor;
  private final QueueManager manager;
  private final QueuePeriod period;
  private final CategoryMap cm;
 
  public ContactQueueSender(IConstructor constructor, QueueManager manager, QueuePeriod period, CategoryMap cm) {
    this.constructor = constructor;
    this.manager = manager;
    this.period = period;
    this.cm = cm;
  }
 
  @Override
  protected void doSend() {
    IAgreements agreements = Plugins.loadImplementation(IAgreements.class, "agreements");
    for(String category : cm.keySet()) {
      NotificationCategory nc = Notifications.getCategory(category);
      agreements.setContact(cm.getIContact());
      if(agreements.canSendEmails(nc)) {
        try {
          IContact contact = cm.getIContact();
          MailItemSet mis = cm.get(category);
          MailMessagePool pool = MailProviders.instance().getPool(constructor, Strings.isBlank(mis.getPoolName(), MailProviders.GENERIC));
          if(pool != null) {
            MailMessageTemplate mmt = MailMessageTemplate.of(pool.getProvider());
            mmt.setRoot("/queue");
            mmt.addTo(contact.getConnector(IUser.CONNECTOR_EMAIL), contact.getName());
            mmt.setSubject(getSubject(mis.getCategory()));
            ElephantMarker em = new ElephantMarker(constructor, true);
            em.put("contact", contact);
            em.put("messages", mis);
            em.put("notifier", this);
            mmt.setMessage(em, "messages", contact);
            pool.addToPool(mmt);
            pool.sendPool();
            pause();
          }
        } catch (EmailException | NullPointerException ex) {
          Logger.getLogger(ContactQueueSender.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
        }
        manager.removeMails(period, cm.getIContact().getId(), category);
      } else {
        agreements.sendIfNecessary(constructor);
        if(agreements.declinedNotifications()) {
          manager.removeMails(period, cm.getIContact().getId(), category);
        }
      }
    }
  }
  
  public String getSubject(String category) {
    return "[" + I_.get(category) + " " + ElephantContext.getSiteName() + "]";    
  }
  
  private transient String reason, subject;
  private transient Date itemDate;
  
  public boolean isReasonDifferent(MailItem mailItem) {
    int result = CompareUtil.compare(reason, mailItem.getReason());
    reason = mailItem.getReason();
    if(result != 0) {
      itemDate = null;
      subject = null;
    }
    return result != 0;
  }
  
  public String getReason(MailItem mailItem) {
    return !Strings.isBlank(mailItem.getReason()) ? mailItem.getReason() : I_.get("Others");
  }
  
  public boolean isSubjectDifferent(MailItem mailItem) {
    int result = CompareUtil.compareDate(itemDate, mailItem.getItemDate());
    if(result == 0) {
      result = CompareUtil.compare(subject, mailItem.getSubject());
    }
    itemDate = mailItem.getItemDate();
    subject = mailItem.getSubject();
    return result != 0;
  }
  
}