MassMail.inc.php

<?php
 
import ('lib.pkp.classes.mail.MailTemplate');
 
class MassMail extends MailTemplate {
   var $callback;
   var $frequency;
 
   function __construct($emailKey = null, $locale = null) {
      parent::__construct($emailKey, $locale);
      $this->callback = null;
      $this->frequency = 10;
   }
 
   function setCallback(&$callback) {
      $this->callback =& $callback;
   }
 
   function setFrequency($frequency) {
      $this->frequency = $frequency;
   }
 
   function send() {
      @set_time_limit(0);
 
      $realRecipients = $this->getRecipients();
      $realSubject = $this->getSubject();
      $realBody = $this->getBody();
 
      $index = 0;
      $success = true;
      $max = count($realRecipients);
      foreach ($realRecipients as $recipient) {
         $this->clearAllRecipients();
 
         $this->addRecipient($recipient['email'], $recipient['name']);
         $this->setSubject($realSubject);
         $this->setBody($realBody);
 
         $success = $success && MailTemplate::send(false);
         $index++;
         if ($this->callback && ($index % $this->frequency) == 0) call_user_func($this->callback, $index, $max);
      }
      $this->setRecipients($realRecipients);
      return $success;
   }
}