<?php
/**
* @version		$Id: admin.massmail.php 10094 2008-03-02 04:35:10Z instance $
* @package		Joomla
* @subpackage	Massmail
* @copyright	Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved.
* @license		GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/

// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );

/*
 * Make sure the user is authorized to view this page
 */
$user = & JFactory::getUser();
if (!$user->authorize( 'com_massmail', 'manage' )) {
	$mainframe->redirect( 'index.php', JText::_('ALERTNOTAUTH') );
}

require_once( JApplicationHelper::getPath( 'admin_html' ) );

switch ($task)
{
	case 'send':
		sendMail();
		break;

	case 'cancel':
		$mainframe->redirect( 'index.php' );
		break;

	default:
		messageForm( $option );
		break;
}

function messageForm( $option )
{
	$acl =& JFactory::getACL();

	$gtree = array(
		JHTML::_('select.option',  0, '- '. JText::_( 'All User Groups' ) .' -' )
	);

	// get list of groups
	$lists = array();
	$gtree = array_merge( $gtree, $acl->get_group_children_tree( null, 'users', false ) );
	$lists['gid'] = JHTML::_('select.genericlist',   $gtree, 'mm_group', 'size="10"', 'value', 'text', 0 );

	HTML_massmail::messageForm( $lists, $option );
}

function sendMail()
{
	global $mainframe;

	// Check for request forgeries
	JRequest::checkToken() or jexit( 'Invalid Token' );

	$db					=& JFactory::getDBO();
	$user 				=& JFactory::getUser();
	$acl 				=& JFactory::getACL();

	$mode				= JRequest::getVar( 'mm_mode', 0, 'post', 'int' );
	$subject			= JRequest::getVar( 'mm_subject', '', 'post', 'string' );
	$gou				= JRequest::getVar( 'mm_group', '0', 'post', 'int' );
	$recurse			= JRequest::getVar( 'mm_recurse', 'NO_RECURSE', 'post', 'word' );
	$bcc				= JRequest::getVar( 'mm_bcc', 0, 'post', 'int' );

	// pulls message inoformation either in text or html format
	if ( $mode ) {
		$message_body	= JRequest::getVar( 'mm_message', '', 'post', 'string', JREQUEST_ALLOWRAW );
	} else {
		// automatically removes html formatting
		$message_body	= JRequest::getVar( 'mm_message', '', 'post', 'string' );
	}

	// Check for a message body and subject
	if (!$message_body || !$subject) {
		$mainframe->redirect( 'index.php?option=com_massmail', JText::_( 'Please fill in the form correctly' ) );
	}

	// get users in the group out of the acl
	$to = $acl->get_group_objects( $gou, 'ARO', $recurse );
	JArrayHelper::toInteger($to['users']);

	// Get sending email address
	/*
	$query = 'SELECT email'
	. ' FROM #__users'
	. ' WHERE id = '.(int) $user->get('id')
	;
	$db->setQuery( $query );
	$user->set( 'email', $db->loadResult() );
	*/

	// Get all users email and group except for senders
	$query = 'SELECT email'
	. ' FROM #__users'
	. ' WHERE id != '.(int) $user->get('id')
	. ( $gou !== 0 ? ' AND id IN (' . implode( ',', $to['users'] ) . ')' : '' )
	;

	$db->setQuery( $query );
	$rows = $db->loadObjectList();

	// Check to see if there are any users in this group before we continue
	if ( ! count($rows) ) {
		$msg	= JText::_('No users could be found in this group.');
		$mainframe->redirect( 'index.php?option=com_massmail', $msg );
	}

	$mailer =& JFactory::getMailer();
	$params =& JComponentHelper::getParams( 'com_massmail' );

	// Build e-mail message format
	$mailer->setSender(array($mainframe->getCfg('mailfrom'), $mainframe->getCfg('fromname')));
	$mailer->setSubject($params->get('mailSubjectPrefix') . stripslashes( $subject));
	$mailer->setBody($message_body . $params->get('mailBodySuffix'));
	$mailer->IsHTML($mode);

	// Add recipients

	if ( $bcc ) {
		foreach ($rows as $row) {
			$mailer->addBCC($row->email);
		}
		$mailer->addRecipient($mainframe->getCfg('mailfrom'));
	}else {
		foreach ($rows as $row) {
 			$mailer->addRecipient($row->email);
 		}
	}

	// Send the Mail
	$rs	= $mailer->Send();

	// Check for an error
	if ( JError::isError($rs) ) {
		$msg	= $rs->getError();
	} else {
		$msg = $rs ? JText::sprintf( 'E-mail sent to', count( $rows ) ) : JText::_('The mail could not be sent');
	}

	// Redirect with the message
	$mainframe->redirect( 'index.php?option=com_massmail', $msg );

}
