ServiceSender.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2020 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.contacts.service;
 
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.queue.NotificationCategory;
import org.turro.action.queue.Notifications;
import org.turro.assistant.Assistant;
import org.turro.assistant.AssistantSet;
import org.turro.contacts.ContactService;
import org.turro.contacts.db.ContactsPU;
import org.turro.elephant.context.Application;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.context.ElephantProperties;
import org.turro.elephant.context.IConstructor;
import org.turro.elephant.db.WhereClause;
import org.turro.entities.Entities;
import org.turro.log.SystemLogger;
import org.turro.mail.message.MailMessageTemplate;
import org.turro.mail.pool.MailMessagePool;
import org.turro.mail.provider.MailProviders;
import org.turro.mail.queue.AssistantQueueUtils;
import org.turro.mail.queue.QueueManager;
import org.turro.marker.ElephantMarker;
import org.turro.plugin.contacts.IContact;
 
public class ServiceSender {
 
  private final static String
          PROP_CTX = "service-context",
          KEY_CATEGORY = "service.mail.category",
          KEY_POOL = "service.mail.pool";
  
  private final ContactService entity;
  private final AssistantSet assistants;
  private final String category, mailPool;
  private final boolean useQueue;
 
  public ServiceSender(ContactService entity, AssistantSet assistants, boolean useQueue) {
    this.entity = entity;
    this.assistants = assistants;
    this.useQueue = useQueue;
    this.category = ElephantProperties.getContextProperty(PROP_CTX, KEY_CATEGORY);
    this.mailPool = ElephantProperties.getContextProperty(PROP_CTX, KEY_POOL);
  }
  
  public void send() {
    sendMail(null);
  }
  
  public void send(IContact contact) {
    sendMail(contact);
  }
  
  private void sendMail(IContact contact) {
    NotificationCategory nc = Notifications.getCategory(category);
    QueueManager qm = useQueue ? new QueueManager() : null;
    MailMessagePool pool = useQueue ? null : MailProviders.instance().getPool(Application.getApplication().getConstructor(), mailPool);
    if(contact != null) {
      createMail(new Assistant(contact, entity), nc, qm, pool);
    } else {
      for(Assistant assistant : assistants) {
        createMail(assistant, nc, qm, pool);
      }
      increaseSent(entity);
    }
    if(pool != null) {
      pool.sendPool();
    }
    SystemLogger.info().entity(entity).comment("sent").log();
  }
 
  private void createMail(Assistant assistant, NotificationCategory nc, QueueManager qm, MailMessagePool pool) {
    try {
      if(Contacts.isValidEmail(assistant.email)) {
        MailMessageTemplate mmt = MailMessageTemplate.of(MailProviders.instance().getProvider(mailPool));
        mmt.setSubject(entity.getTitle());
        mmt.addTo(assistant.email, assistant.name);
        ElephantMarker em = new ElephantMarker(Application.getApplication().getConstructor(), true);
        em.put("service", entity);
        em.put("contact", assistant.contact);
        em.put("email", assistant.email);
        em.put("notifier", this);
        mmt.setMessage(em, "service", assistant.contact);
        if(qm != null) {
          qm.addToQueue(nc, assistant.contact, mmt, null, mailPool);
        }
        if(pool != null) {
          pool.addToPool(mmt);
        }
      }
    } catch (EmailException ex) {
      Logger.getLogger(ServiceSender.class.getName()).log(Level.SEVERE, ElephantContext.logMsg(null), ex);
    }
  }
 
  public String createRef(IConstructor constructor, ContactService service, IContact contact) throws Exception {
    return createRef(constructor, service.getTimesSent() >=1 ? 
            Entities.getController(service).getEntityUrl() :
            Entities.getController(service).getMemberUrl());
  }
 
  public String createRef(IConstructor constructor, String redir) throws Exception {
    return "{liveref:" + redir + "}";
  }
  
  public static AssistantSet getAsAssistants(ContactService service) {
    AssistantSet assistants = new AssistantSet();
    assistants.addContact(service.getResponsible().getIContact(), service);
    assistants.addContacts(Contacts.getBySyndication("contacts_admin"));
    AssistantQueueUtils.addFromCategory(ElephantProperties.getContextProperty(PROP_CTX, KEY_CATEGORY), assistants);
    return assistants;
  }
  
  private void increaseSent(ContactService service) {
    WhereClause wc = new WhereClause();
    wc.addClause("update ContactService");
    wc.addClause("set timesSent = timesSent + 1");
    wc.addClause("where id = :id");
    wc.addNamedValue("id", service.getId());
    new ContactsPU().executeUpdate(wc);
  }
 
}