<?php

class App_ECommerce_Order_GuestView_Obj extends App_ECommerce_Order_Abstract_Obj
{
    /**
     * @param int $transactionId
     * @return string
     */
    public static function generateAccessCode($transactionId)
    {
        $string = $transactionId . microtime() . $transactionId . rand();
        return hash('sha256', $string);
    }

    /**
     * @param string $code
     * @return int|null
     */
    public function getIdByAccessCode($code)
    {
        $id = null;

        $code = (string) $code;
        $code = trim($code);

        if ($code) {
            $select = $this->_db->select();
            $select->from($this->_getPair('Cart'), 'transactionId');
            $select->where('`Cart`.`accessCode` = ?', (string) $code);
            $id = $this->_db->fetchOne($select);
        }

        return $id;
    }

    /**
     * @param string $code
     * @return bool
     */
    public function setIdByAccessCode($code)
    {
        $id = $this->getIdByAccessCode($code);
        if ($id) {
            $this->setPrimaryKey($id);
            return true;
        }
        return false;
    }
}