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<?php
defined('_VALID') or die('Restricted Access!');
VF::load('phpmailer.phpmailer');
class VEmail extends PHPMailer
{
    private $cfg    = array();
    private $emails = array();
    public function __construct()
    {
        $this->cfg = VF::cfg('core.config');
        if ($this->cfg['mailer'] == 'mail') {
            $this->Mailer   = 'mail';
        } elseif ($this->cfg['mailer'] == 'sendmail') {
            $this->Mailer   = 'sendmail';
            $this->Sendmail = $this->cfg['sendmail_path'];
        } elseif ($this->cfg['mailer'] == 'smtp') {
            $this->Mailer       = 'smtp';
            $this->Host         = $this->cfg['smtp_host'];
            $this->Port         = $this->cfg['smtp_port'];
            $this->SMTPSecure   = $this->cfg['smtp_prefix'];
            if ($this->cfg['smtp_auth'] == '1') {
                $this->SMTPAuth = TRUE;
                $this->Username = $this->cfg['smtp_username'];
                $this->Password = $this->cfg['smtp_password'];
            }
        } else {
            $this->Mailer = 'mail';
        }

        $this->WordWrap = 75;
        $this->IsHTML(TRUE);
    }
    
    public function predefined($id, $email, $search=array(), $replace = array(), $type='noreply')
    {
        if (!$this->emails) {
            $this->emails = $this->get_emails();
        }
    
        if (isset($this->emails[$id])) {
            $subject    = $this->emails[$id];
            $cache        = VF::factory('cache');
            $cache_id    = 'email_'.$id;
            if (!$message = $cache->get($cache_id, 0)) {
                $db =& VF::factory('database');
                $db->query("SELECT message
                            FROM #__email
                            WHERE name = '".$db->escape($id)."'
                            LIMIT 1");
                if (!$db->affected_rows()) {
                    return;
                }
                
                $message = $db->fetch_field('message');
                $cache->store($cache_id, $message, 0);
            }
            
            if ($search && $replace) {
                $subject     = str_replace($search, $replace, $subject);
                $message    = str_replace($search, $replace, $message);
            }

            if ($type == 'noreply') {
                $this->setNoReply();
            } elseif ($type = 'admin') {
                $this->setAdmin();
            } elseif ($type = 'site') {
                $this->setSite();
            }
            
            $this->Subject    = $subject;
            $this->AltBody    = $message;
            $this->Body        = nl2br($message);
            if (is_array($email)) {
                foreach ($email as $address) {
                    $this->AddAddress($address);
                    $this->Send();
                    $this->ClearAddresses();
                }
            } else {
                $this->AddAddress($email);
                if ($this->Send()) {
                    return TRUE;
                }
                
                return FALSE;
            }
        }
    }

    public function setNoReply()
    {
        $this->From     = $this->cfg['email_noreply'];
        $this->FromName = $this->cfg['site_name'];
        $this->Sender   = $this->cfg['email_noreply'];
        $this->AddReplyTo($this->cfg['email_noreply'], $this->cfg['site_name']);
    }
    
    public function setAdmin()
    {
        $this->From     = $this->cfg['email_admin'];
        $this->FromName = $this->cfg['site_name'];
        $this->Sender   = $this->cfg['email_admin'];
        $this->AddReplyTo($this->cfg['email_admin'], $this->cfg['site_name']);    
    }
    
    public function setSite()
    {
        $this->From     = $this->cfg['email_site'];
        $this->FromName = $this->cfg['site_name'];
        $this->Sender   = $this->cfg['email_site'];
        $this->AddReplyTo($this->cfg['email_site'], $this->cfg['site_name']);    
    }
    
    private function get_emails()
    {
        $cache = VF::factory('cache');
        if (!$emails = $cache->get('email_ids')) {
            $db = VF::factory('database');
            $db->query("SELECT name, subject FROM #__email WHERE status = '1'");
            if ($db->affected_rows()) {
                $rows   = $db->fetch_rows();
                $emails = array();
                foreach ($rows as $row) {
                    $emails[$row['name']] = $row['subject'];
                }
                
                $cache->store('emails', $emails, 0);
            } else {
                die('Failed to cache email ids!');
            }
        }
        
        return $emails;
    }
}
?>