gistfile1.php

<?php
App::uses('AppModel', 'Model');
/**
 * CardnetTransaction Model
 *
 */
class CardnetTransaction extends AppModel {

/**
 * Use table
 *
 * @var mixed False or table name
 */
    public $useTable = false;


/*
    'currency_code' => '214', // DOP
    'acquiring_institution_code' => '349',
    'merchant_type' => '5440',
    'merchant_number' => '349000000',
    'merchant_terminal' => '123242374000',
    'return_url' => 'https://www.maspormenos.do/orders/payment',
    'cancel_url' => 'https://www.maspormenos.do/orders/cancel',
    'page_languaje' => 'ESP',
    'merchant_name' => 'COMERCIO PARA REALIZAR PRUEBAS DO',
    'avs' => '33024 1000 ST JOHN PLACE PEMBROKE PINES FLORIDA',
*/

/**
 * Validation rules
 *
 * @var array
 */
    public $validate = array(
        'transaction_type' => array(
            'inList' => array(
                'rule' => array('inList', array('0200', '2240', '0500', '0510')),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'currency_code' => array(
            'inList' => array(
                'rule' => array('inList', array('214', '840')),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'acquiring_institution_code' => array(
            'numeric' => array(
                'rule' => array('numeric'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'merchant_type' => array(
            'numeric' => array(
                'rule' => array('numeric'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'merchant_number' => array(
            'numeric_sp_padded' => array(
                'rule' => array('custom' , '@^[0-9]+\s*$@'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
            'between' => array(
                'rule' => array('between' , 15, 15),
                //'allowEmpty' => false,
                //'required' => false,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'merchant_terminal' => array(
            'numeric' => array(
                'rule' => array('numeric'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
            'between' => array(
                'rule' => array('between' , 12, 12),
                //'allowEmpty' => false,
                // 'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'return_url' => array(
            'notEmpty' => array(
                'rule' => array('notEmpty'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'cancel_url' => array(
            'notEmpty' => array(
                'rule' => array('notEmpty'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'page_languaje' => array(
            'inList' => array(
                'rule' => array('inList', array('ENG', 'ESP')),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'orden_id' => array(
            'notEmpty' => array(
                'rule' => array('notEmpty'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'transaction_id' => array(
            'notEmpty' => array(
                'rule' => array('notEmpty'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
            'between' => array(
                'rule' => array('between', 6, 6),
            )
        ),
        'amount' => array(
            'zero_padded_numeric' => array(
                'rule' => array('custom', '@0*[1-9]+@'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
            'between' => array(
                'rule' => array('between' , 12, 12),
                //'allowEmpty' => false,
                // 'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'tax' => array(
            'zero_padded_numeric' => array(
                'rule' => array('custom', '@(0*[1-9]+|0{12})@'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
            'between' => array(
                'rule' => array('between' , 12, 12),
                //'allowEmpty' => false,
                // 'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'merchant_name' => array(
            'between' => array(
                'rule' => array('between', 40, 40),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        // 'avs' => array(
        //     'notEmpty' => array(
        //         'rule' => array('notEmpty'),
        //         //'allowEmpty' => false,
        //         'required' => true,
        //         //'last' => false, // Stop validation after this rule
        //         //'on' => 'create', // Limit validation to 'create' or 'update'g operations
        //     ),
        // ),
        // 'key_encription_key2' => array(
        //     'notEmpty' => array(
        //         'rule' => array('notEmpty'),
        //         //'allowEmpty' => false,
        //         //'required' => true,
        //         //'last' => false, // Stop validation after this rule
        //         //'on' => 'create', // Limit validation to 'create' or 'update' operations
        //     ),
        // ),
        // 'key_encription_key' => array(
        //     'notEmpty' => array(
        //         'rule' => array('notEmpty'),
        //         //'allowEmpty' => false,
        //         'required' => true,
        //         //'last' => false, // Stop validation after this rule
        //         //'on' => 'create', // Limit validation to 'create' or 'update' operations
        //     ),
        // ),
        'ip_client' => array(
            'ip' => array(
                'rule' => array('ip', 'IPv4'),
                //'allowEmpty' => false,
                'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'credit_card_number' => array(
            'notEmpty' => array(
                'rule' => array('notEmpty'),
                //'allowEmpty' => false,
                //'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'authorization_code' => array(
            'numeric' => array(
                'rule' => array('numeric'),
                //'allowEmpty' => false,
                //'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
        'retrieval_reference_number' => array(
            'numeric' => array(
                'rule' => array('numeric'),
                //'allowEmpty' => false,
                //'required' => true,
                //'last' => false, // Stop validation after this rule
                //'on' => 'create', // Limit validation to 'create' or 'update' operations
            ),
        ),
    );

    public function setAmount($amount) {
        $this->data['CardnetTransaction']['amount'] = self::_encodeMoney($amount);
    }

    public function getAmount($amount) {
        return self::_decodeMoney($this->data['CardnetTransaction']['amount']);
    }

    public function setTax($tax) {
        $this->data['CardnetTransaction']['tax'] = self::_encodeMoney($tax);
    }

    public function getTax($tax) {
        return self::_decodeMoney($this->data['CardnetTransaction']['tax']);
    }

    private static function _encodeMoney($amount) {
        return str_pad(number_format($amount,2,'',''), 12, '0', STR_PAD_LEFT);
    }

    private static function _decodeMoney($money) {
        $money = ltrim($money, '0'); // trim leading zeros
        return (float) $money / 100.0;
    }

    public function refreshKeyEncryptionKey() {
        if (isset($this->data['CardnetTransaction']['merchant_type'])
            && isset($this->data['CardnetTransaction']['merchant_number'])
            && isset($this->data['CardnetTransaction']['merchant_terminal'])
            && isset($this->data['CardnetTransaction']['transaction_id'])
            && isset($this->data['CardnetTransaction']['amount'])
            && isset($this->data['CardnetTransaction']['tax'])) {
            $this->data['CardnetTransaction']['key_encription_key'] = md5($this->data['CardnetTransaction']['merchant_type']
                . $this->data['CardnetTransaction']['merchant_number']
                . $this->data['CardnetTransaction']['merchant_terminal']
                . $this->data['CardnetTransaction']['transaction_id']
                . $this->data['CardnetTransaction']['amount']
                . $this->data['CardnetTransaction']['tax']);
            return true;
        }
        return false;
    }
}