una/inc/classes/BxDolQueueEmail.php

<?php defined('BX_DOL') or die('hack attempt');
/**
 * Copyright (c) UNA, Inc - https://una.io
 * MIT License - https://opensource.org/licenses/MIT
 *
 * @defgroup    UnaCore UNA Core
 * @{
 */

class BxDolQueueEmail extends BxDolQueue implements iBxDolSingleton
{
    protected function __construct()
    {
        parent::__construct();

        $this->_oQuery = new BxDolQueueEmailQuery();

        $this->_sParamTime = 'sys_eq_time';

        $this->_iLimitSend = (int)getParam('sys_eq_send_per_start');
        $this->_iLimitSendPerRecipient = (int)getParam('sys_eq_send_per_start_to_recipient');
    }

    /**
     * Get singleton instance of the class
     */
    static function getInstance()
    {
        if(!isset($GLOBALS['bxDolClasses'][__CLASS__]))
            $GLOBALS['bxDolClasses'][__CLASS__] = new BxDolQueueEmail();

        return $GLOBALS['bxDolClasses'][__CLASS__];
    }

    /**
     * Add message to mail queue
     *
     * @param string $sEmail - recipient email
     * @param string $sSubject - message subject
     * @param string $sBody - message body
     * @return true on success, false on error
     */
    public function add($sEmail, $sSubject, $sBody, $iRecipientID, $aPlus, $iEmailType, $sEmailFlag, $isDisableAlert, $aCustomHeaders)
    {
        return (int)$this->_oQuery->insertItem(array(
        	'email' => $sEmail,
            'subject' => $sSubject,
            'body' => $sBody,
        	'params' => serialize(array($iRecipientID, $aPlus, $iEmailType, $sEmailFlag, $isDisableAlert, $aCustomHeaders))
        )) > 0;
    }

    /**
     * Internal method which performs sending using predefined list of params.
     */
    protected function _send($sEmail, $sSubject, $sBody, $sParams = '')
    {           
        if(isset($this->_aSentTo[$sEmail]) && (int)$this->_aSentTo[$sEmail] >= $this->_iLimitSendPerRecipient)
            return false;
            
        $aParams = array();
        if(!empty($sParams))
            $aParams = unserialize($sParams);

        if(!call_user_func_array('sendMail', array_merge(array($sEmail, $sSubject, $sBody), $aParams)))
            return false;

        if(!isset($this->_aSentTo[$sEmail]))
            $this->_aSentTo[$sEmail] = 0;
        $this->_aSentTo[$sEmail] += 1;

        return true;
    }
}

/** @} */