<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

/**
 * Send the files attached to a mail.
 *
 * PHP versions 4 and 5
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
 *
 * @category   File Formats
 * @package    File_Archive
 * @author     Vincent Lascaux <vincentlascaux@php.net>
 * @copyright  1997-2005 The PHP Group
 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL
 * @version    CVS: $Id$
 * @link       http://pear.php.net/package/File_Archive
 */

require_once "File/Archive/Writer.php";
require_once "Mail.php";
require_once "Mail/mime.php";

/**
 * Send the files attached to a mail.
 */
class File_Archive_Writer_Mail extends File_Archive_Writer
{
    /**
     * @var Mail_mime object
     * @access private
     */
    var $mime;

    /**
     * @var Mail object used to send email (built thanks to the factory)
     * @access private
     */
    var $mail;

    /**
     * @var Array or String An array or a string with comma separated recipients
     * @access private
     */
    var $to;

    /**
     * @var Array The headers that will be passed to the Mail_mime object
     * @access private
     */
    var $headers;

    /**
     * @var String Data read from the current file so far
     * @access private
     */
    var $currentData = null;

    /**
     * @var String Name of the file being attached
     * @access private
     */
    var $currentFilename = null;

    /**
     * @var String MIME of the file being attached
     * @access private
     */
    var $currentMime = null;

    /**
     * @param Mail $mail Object used to send mail (see Mail::factory)
     * @param array or string $to An array or a string with comma separated
     *        recipients
     * @param array $headers The headers that will be passed to the Mail_mime
     *        object
     * @param string $message Text body of the mail
     */
    function File_Archive_Writer_Mail($to, $headers, $message, &$mail)
    {
        $this->mime = new Mail_mime();
        $this->mime->setTXTBody($message);
        if (!empty($htmlMessage)) {
            $this->mime->setHTMLBody($htmlMessage);
        }

        if ($mail === null)
            $this->mail = Mail::factory("mail");
        else
            $this->mail =& $mail;

        $this->to = $to;
        $this->headers = $headers;
    }

    /**
     * @see Mail_Mime::setHTMLBody()
     */
    function setHTMLBody($data, $isfile = false)
    {
        return $this->mime->setHTMLBody($data, $isfile);
    }
    /**
     * @see Mail_Mime::addHTMLImage()
     */
    function addHTMLImage($file, $c_type = 'application/octet-stream',
                          $name = '', $isfile = true)
    {
        return $this->mime->addHTMLImage($file, $c_type, $name, $isfile);
    }

    /**
     * @see File_Archive_Writer::writeData()
     *
     * This function just put the data in $currentData until the end of file
     * At that time, addCurrentData is called to attach $currentData to the mail
     * and to clear $currentData for a new file
     */
    function writeData($data)
    {
        $this->currentData .= $data;
    }
    /**
     * Called when a file is finished and must be added as attachment to the mail
     */
    function addCurrentData()
    {
        if ($this->currentFilename === null) {
            return;
        }

        $error = $this->mime->addAttachment(
                        $this->currentData,
                        $this->currentMime,
                        $this->currentFilename,
                        false);
        $this->currentData = '';
        return $error;
    }
    /**
     * @see File_Archive_Writer::newFile()
     */
    function newFile($filename, $stat, $mime = "application/octet-stream")
    {
        $error = $this->addCurrentData();
        if (PEAR::isError($error)) {
            return $error;
        }

        if (substr($filename, -1) == '/') {
            $this->currentFilename = null;
        } else {
            $this->currentFilename = $filename;
            $this->currentMime = $mime;
        }
    }
    /**
     * @see File_Archive_Writer::newFileNeedsMIME()
     */
    function newFileNeedsMIME()
    {
        return true;
    }

    /**
     * @see File_Archive_Writer::close()
     */
    function close()
    {
        $error = parent::close();
        if (PEAR::isError($error)) {
            return $error;
        }
        $error = $this->addCurrentData();
        if (PEAR::isError($error)) {
            return $error;
        }

        $body = $this->mime->get();
        $headers = $this->mime->headers($this->headers);

        if (!$this->mail->send(
                $this->to,
                $headers,
                $body)
          ) {
            return PEAR::raiseError("Error sending mail");
        }
    }
}

?>