<?php
/**
 * $Id$
 *
 * Contains static functions concerned with sending emails
 *
 * @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
 * @version $Revision$
 * @package lib.email
 */
class Email {

    /**
     * The underlying emailer class
     */
    var $oMailer;

    /**
     * Creates an email class, initialising the underlying mailer class
     * with default system information
     *
     * @param string the sender's email address (optional)
     * @param string the sender's name (optional)     
     */
    function Email($sFromEmail = "", $sFromName = "") {
        global $default;
        // create a new phpmailer object.
        $this->oMailer = new phpmailer();
        $this->oMailer->isSMTP();
        $this->oMailer->Host = $default->emailServer;
        $this->oMailer->From = (strlen($sFromEmail) == 0) ? $default->emailFrom : $sFromEmail;
        $this->oMailer->FromName = (strlen($sFromName) == 0) ? $default->emailFromName : $sFromName;
        $this->oMailer->WordWrap = 100;
        $this->oMailer->IsHTML(true);
    }

    /**
     * Sends an email to a specified recipient.
     *
     * @param string the recipients email address
     * @param string the subject of the email
     * @param string the body of the email
     * @param string the sender's email address (optional)
     * @param string the sender's name (optional)     
     * @return boolean true on email successfully sent, false otherwise and set $_SESSION["errorMessage"]
     */
    function send($sToEmail, $sSubject, $sBody, $sFromEmail = "", $sFromName = "") {
        global $default, $lang_err_email;

        // set defaults for optional params
        $sFromEmail = ((strlen($sFromEmail) == 0) || ($sFromEmail == "")) ? $default->system->get("emailFrom") : $sFromEmail;
        $sFromName = ((strlen($sFromName) == 0) || ($sFromName == "")) ? $default->system->get("emailFromName") : $sFromName;

        // set optional params
        if ((strlen($sFromEmail) > 0) && ($sFromEmail != "")) {
            $this->oMailer->From = $sFromEmail;
        }
        if ((strlen($sFromName) > 0) && ($sFromName != "")) {
            $this->oMailer->FromName = $sFromName;
        }
        
        // if there are multiple addresses (; separated)
        $aEmailAddresses = array();
        if (strpos($sToEmail, ";") > 0) {
            // explode them
            $aEmailAddresses = explode(";", $sToEmail);
            for ($i=0; $i<count($aEmailAddresses); $i++) {
                $this->oMailer->AddAddress($aEmailAddresses[$i]);
                $default->log->info("Email.inc adding " . $aEmailAddresses[$i]);
            }
        } else {
            $this->oMailer->AddAddress($sToEmail);
        }
        $this->oMailer->Subject = stripslashes($sSubject);
        $this->oMailer->Body = stripslashes($sBody);

        //send the email
        if(!$this->oMailer->Send()) {
            $_SESSION["errorMessage"] = $lang_err_email . " " . $this->oMailer->ErrorInfo;
            return false;
        }
        return true;
    }

    /**
    * Sends an email containing a hyperlink to a specified recipient
    *
    * @param  The sender's email address
    * @param  The sender's Name
    * @param  The recipients email address
    * @param  The subject heading for the email
    * @param  The Body of the email
    * @param  The hyperlink that should be sent
    *
    * @return boolean true on email successfully sent, false otherwise and set $_SESSION["errorMessage"]
    * 
    * @todo check for special characters (including encoding the link correctly???)
    * @todo need to test this on multiple mail clients, not just Outlook
    */
    function sendHyperLink($FromEmail, $FromName, $ToEmail, $Subj, $EmailBody, $hyperlink) {
        global $default;

        //get info from relevant fields.
        $this->oMailer->From = $FromEmail;
        $this->oMailer->FromName = $FromName;
        $this->oMailer->AddAddress($ToEmail);
        $this->oMailer->Subject = stripslashes($Subj);
        $this->oMailer->Body = stripslashes($EmailBody) . ' ' . $hyperlink;

        //send the email
        if(!$this->oMailer->Send()) {
            $_SESSION["errorMessage"] = $lang_err_email . " " . $this->oMailer->ErrorInfo;
            return false;
        }
        return true;
    }
    /**
    * Sends an email ment for administration, 
    *
    * @param  The sender's email address
    * @param  The sender's Name
    * @param  The recipients email address
    * @param  The subject heading for the email
    * @param  The Body of the email
    * @param  The hyperlink that should be sent
    *
    * @return boolean true on email successfully sent, false otherwise and set $_SESSION["errorMessage"]
    * 
    * @todo check for special characters (including encoding the link correctly???)
    * @todo need to test this on multiple mail clients, not just Outlook
    */
    function sendHelpEmail($FromEmail, $FromName, $ToEmail, $Subj, $EmailBody, $hyperlink) {
        global $default;

        //get info from relevant fields.
        $this->oMailer->From = $FromEmail;
        $this->oMailer->FromName = $FromName;
        $this->oMailer->AddAddress($ToEmail);
        $this->oMailer->Subject = stripslashes($Subj)  . ' ' . $hyperlink; //only difference from above
        $this->oMailer->Body = stripslashes($EmailBody) . " <br>This bug can be found on this page: " . "<a href = ". $hyperlink .">". $hyperlink ."</a>";

        //send the email
        if(!$this->oMailer->Send()) {
            $_SESSION["errorMessage"] = $lang_err_email . " " . $this->oMailer->ErrorInfo;
            return false;
        }
        return true;
    }

    function sendEmail($FromEmail, $FromName, $ToEmail, $Subj, $EmailBody) {
        global $default;

        //get info from relevant fields.
        $this->oMailer->From = $FromEmail;
        $this->oMailer->FromName = $FromName;
        $this->oMailer->AddAddress($ToEmail);
        $this->oMailer->Subject = stripslashes($Subj);
        $this->oMailer->Body = stripslashes($EmailBody);

        //send the email
        if(!$this->oMailer->Send()) {
            $_SESSION["errorMessage"] = $lang_err_email . " " . $this->oMailer->ErrorInfo;
            return false;
        }
        return true;
    }
}

?>