IMailRecipients.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 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.recipients;
 
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import org.turro.action.Contacts;
import org.turro.command.Command;
import org.turro.elephant.context.Application;
import org.turro.elephant.context.ElephantContext;
import org.turro.elephant.security.IUser;
import org.turro.elephant.util.Images;
import org.turro.elephant.util.Messages;
import org.turro.i18n.I_;
import org.turro.mail.message.MailMessage;
import org.turro.mail.provider.MailProvider;
import org.turro.mail.provider.MailProviders;
import org.turro.plugin.contacts.IContact;
import org.turro.zkoss.contact.IContactCombobox;
import org.turro.zkoss.dialog.SelectionDialog;
import org.turro.zkoss.layout.GridLayout;
import org.turro.zkoss.print.SignedReport;
import org.turro.zul.frame.Framework;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.A;
import org.zkoss.zul.Row;
import org.zkoss.zul.Textbox;
 
public class IMailRecipients extends GridLayout {
 
  private Collection<IContact> recipients = new ArrayList<>();
  private Row editRow;
  private static String comment;
 
  public IMailRecipients(Collection<IContact> recipients) {
    if(recipients != null) {
      this.recipients.addAll(recipients);
    }
    setColumns("350px,40px");
    addRecipients();
  }
 
  public static void selectRecipients(Collection<IContact> recipients, Command command) {
    comment = null;
    IMailRecipients mr = new IMailRecipients(recipients);
    mr.setStyle("overflow:auto;");
    SelectionDialog.getComponent(
            Framework.getCurrent().getPage(), 
            I_.get("Recipients"), 
            mr, "425px", "350px", command);
  }
  
  public static String getComment() {
    return comment;
  }
  
  public static void send(String title, JRDataSource dataSource, Map parameters, String jasperFile,
          String defaultFile, String type, String certificateStore, Collection<IContact> contacts) throws JRException {
    try {
      if(contacts == null) return;
      Application app = Application.getApplication();
      SignedReport sr = new SignedReport();
      sr.setCertificateStore(certificateStore);
      if(new File(ElephantContext.getRealPath(jasperFile)).exists()) {
        sr.setSrc(jasperFile);
      } else {
        sr.setSrc(defaultFile);
      }
      sr.setParameters(parameters);
      sr.setDatasource(dataSource);
      sr.setType(type);
      File attach = File.createTempFile("attach_", "_mail");
      FileOutputStream fos = new FileOutputStream(attach); 
      InputStream is = sr.getReport().getStreamData();
      int read;
      byte[] bytes = new byte[1024];
      while ((read = is.read(bytes)) != -1) {
        fos.write(bytes, 0, read);
      }
      is.close();
      fos.flush();
      fos.close();
      StringBuilder sb = new StringBuilder();
      for(IContact c : contacts) {
        String email = c.getConnector(IUser.CONNECTOR_EMAIL);
        if(Contacts.isValidEmail(email)) {
          MailProvider mp = MailProviders.instance().getProvider(certificateStore);
          MailMessage mm = MailMessage.of(mp);
          mm.addTo(c.getEmail(), c.getName());
          sb.append(email).append(": ").append(c.getName()).append("\n");
          mm.setFrom(mp.getFrom().getMail(), ElephantContext.getSiteName());
          mm.setSubject(ElephantContext.getSiteName() + ": " + title);
          mm.setMessage(
                  "<p><i>" + I_.get("Automatically generated") + "</i></p>" +
                  "<p><b>" + ElephantContext.getSiteName() + "</b>: " + I_.get("Document") + "</p>");
          mm.attach(attach.getAbsolutePath(), ElephantContext.getSiteName() + " " + I_.get("Document"), title + ".pdf");
          mm.send();
        }
      }
      attach.delete();
      if(sb.length() > 0) {
        Messages.info(I_.get("Send documents")).add(I_.get("Sent")).paragraph().add(sb.toString()).show();
      } else {
        Messages.error(I_.get("Send documents")).add(I_.get("Nothing was sent")).show();
      }
    } catch (Exception ex) {
    }
  }
 
  private void addRecipients() {
    for(final IContact c : recipients) {
      if(c.isWebUser() && Contacts.hasValidEmail(c)) {
        addRecipient(c);
        addRow();
      }
    }
    editRow = getCurrentRow();
    final IContactCombobox cc = new IContactCombobox();
    cc.setWidth("390px");
    cc.addEventListener(Events.ON_OK, new EventListener<Event>() {
      @Override
      public void onEvent(Event event) throws Exception {
        event.stopPropagation();
        IContact c = cc.getObjectValue();
        if(c != null && c.isWebUser() && Contacts.hasValidEmail(c)) {
          insertBeforeRow(editRow);
          addRecipient(c);
          cc.setObjectValue(null);
        }
      }
    });
    addSpannedComponent(cc, 2);
    addRow();
    final Textbox commentBox = new Textbox();
    commentBox.setWidth("390px");
    commentBox.setRows(4);
    commentBox.setPlaceholder(I_.get("Comment"));
    commentBox.addEventListener(Events.ON_CHANGE, new EventListener<Event>() {
      @Override
      public void onEvent(Event event) throws Exception {
        event.stopPropagation();
        comment = commentBox.getValue();
      }
    });
    addSpannedComponent(commentBox, 2);
  } 
 
  private void addRecipient(final IContact c) {
    final Row row = getCurrentRow();
    row.setValue(c);
    addCaption(c.getName() + " : " + c.getConnector(IUser.CONNECTOR_EMAIL));
    A del = new A(null, Images.getImage("edit-delete"));
    del.addEventListener(Events.ON_CLICK, new EventListener<Event>() {
      @Override
      public void onEvent(Event event) throws Exception {
        row.detach();
      }
    });
    addComponent(del);
  }
 
  public Collection<IContact> getRecipients() {
    recipients = new ArrayList<>();
    for(Object o : getRows().getChildren()) {
      if(o instanceof Row) {
        if(((Row) o).getValue() instanceof IContact) {
          recipients.add((IContact) ((Row) o).getValue());
        }        
      }
    }
    return recipients;
  }
  
}