611 lines
17 KiB
PHP
611 lines
17 KiB
PHP
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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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/**
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* Holds code shared between all processors
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category Payment
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* @package Payment_Process
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* @author Ian Eure <ieure@php.net>
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* @author Joe Stump <joe@joestump.net>
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* @copyright 1997-2005 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: Common.php,v 1.32 2005/12/13 00:00:29 jstump Exp $
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* @link http://pear.php.net/package/Payment_Process
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*/
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require_once('Payment/Process.php');
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require_once('Payment/Process/Type.php');
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class Payment_Process_Common {
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// {{{ Private Properties
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/**
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* Options.
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*
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* @var array
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* @see setOptions()
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* @access private;
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*/
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var $_options = '';
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/**
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* Array of fields which are required.
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*
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* @var array
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* @access private
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* @see _makeRequired()
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*/
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var $_required = array();
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/**
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* Processor-specific data.
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*
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* @access private
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* @var array
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*/
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var $_data = array();
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/**
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* $_driver
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*
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* @author Joe Stump <joe@joestump.net>
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* @var string $_driver
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* @access private
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*/
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var $_driver = null;
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/**
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* PEAR::Log instance
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*
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* @var object
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* @access protected
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* @see Log
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*/
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var $_log;
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/**
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* Mapping between API fields and processors'
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*
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* @var mixed $_typeFieldMap
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* @access protected
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*/
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var $_typeFieldMap = array();
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/**
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* Reference to payment type
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*
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* An internal reference to the Payment_Process_Type that is currently
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* being processed.
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*
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* @var mixed $_payment Instance of Payment_Type
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* @access protected
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* @see Payment_Process_Common::setPayment()
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*/
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var $_payment = null;
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// }}}
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// {{{ Public Properties
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/**
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* Your login name to use for authentication to the online processor.
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*
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* @var string
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*/
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var $login = '';
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/**
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* Your password to use for authentication to the online processor.
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*
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* @var string
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*/
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var $password = '';
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/**
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* Processing action.
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*
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* This should be set to one of the PAYMENT_PROCESS_ACTION_* constants.
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*
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* @var int
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*/
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var $action = '';
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/**
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* A description of the transaction (used by some processors to send
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* information to the client, normally not a required field).
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* @var string
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*/
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var $description = '';
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/**
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* The transaction amount.
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*
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* @var double
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*/
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var $amount = 0;
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/**
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* An invoice number.
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*
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* @var mixed string or int
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*/
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var $invoiceNumber = '';
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/**
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* Customer identifier
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*
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* @var mixed string or int
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*/
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var $customerId = '';
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/**
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* Transaction source.
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*
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* This should be set to one of the PAYMENT_PROCESS_SOURCE_* constants.
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*
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* @var int
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*/
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var $transactionSource;
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// }}}
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// {{{ __construct($options = false)
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/**
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* __construct
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*
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* PHP 5.x constructor
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*
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* @author Joe Stump <joe@joestump.net>
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* @access public
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*/
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function __construct($options = false)
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{
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$this->setOptions($options);
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}
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// }}}
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// {{{ setPayment(&$payment)
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/**
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* Sets payment
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*
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* Returns false if payment could not be set. This usually means the
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* payment type is not valid or that the payment type is valid, but did
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* not validate. It could also mean that the payment type is not supported
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* by the given processor.
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*
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* @param mixed $payment Object of Payment_Process_Type
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* @return bool
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* @access public
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* @author Joe Stump <joe@joestump.net>
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*/
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function setPayment(&$payment)
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{
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if (isset($this->_typeFieldMap[$payment->getType()]) &&
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is_array($this->_typeFieldMap[$payment->getType()]) &&
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count($this->_typeFieldMap[$payment->getType()])) {
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$result = Payment_Process_Type::isValid($payment);
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if (PEAR::isError($result)) {
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return $result;
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}
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$this->_payment = $payment;
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// Map over the payment specific fields. Check out
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// $_typeFieldMap for more information.
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$paymentType = $payment->getType();
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foreach ($this->_typeFieldMap[$paymentType] as $generic => $specific) {
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$func = '_handle'.ucfirst($generic);
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if (method_exists($this, $func)) {
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$result = $this->$func();
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if (PEAR::isError($result)) {
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return $result;
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}
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} else {
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// TODO This may screw things up - the problem is that
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// CC information is no longer member variables, so we
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// can't overwrite it. You could always handle this
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// with a _handle funciton. I don't think it will cause
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// problems, but it could.
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if (!isset($this->_data[$specific])) {
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$this->_data[$specific] = $this->_payment->$generic;
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}
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}
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}
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return true;
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}
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return PEAR::raiseError('Invalid type field map');
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}
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// }}}
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// {{{ setFrom($where)
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/**
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* Set many fields.
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*
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* @param array $where Associative array of data to set, in the format
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* 'field' => 'value',
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* @return void
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*/
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function setFrom($where)
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{
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foreach ($this->getFields() as $field) {
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if (isset($where[$field])) {
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$this->$field = $where[$field];
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}
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}
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}
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// }}}
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// {{{ process()
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/**
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* Processes the transaction.
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*
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* This function should be overloaded by the processor.
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*/
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function process()
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{
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return PEAR::raiseError("process() is not implemented in this processor.", PAYMENT_PROCESS_ERROR_NOTIMPLEMENTED);
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}
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// }}}
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// {{{ &processCallback()
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/**
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* processCallback
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*
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* This should be overridden in driver classes. It will be used to process
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* communications from gateways to your application. For instance, the
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* Authorize.net gateway will post information about pending transactions
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* to a URL you specify. This function should handle such requests
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*
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* @return object Payment_Process_Result on success, PEAR_Error on failure
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*/
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function &processCallback()
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{
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return PEAR::raiseError('processCallback() not implemented',
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PAYMENT_PROCESS_ERROR_NOTIMPLEMENTED);
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}
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// }}}
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// {{{ validate()
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/**
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* validate
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*
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* Validates data before processing. This function may be overloaded by
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* the processor.
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*
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* @return boolean true if validation succeeded, PEAR_Error if it failed.
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*/
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function validate()
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{
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foreach ($this->getFields() as $field) {
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$func = '_validate'.ucfirst($field);
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// Don't validate unset optional fields
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if (! $this->isRequired($field) && !strlen($this->$field)) {
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continue;
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}
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if (method_exists($this, $func)) {
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$res = $this->$func();
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if (PEAR::isError($res)) {
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return $res;
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} elseif (is_bool($res) && $res == false) {
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return PEAR::raiseError('Validation of field "'.$field.'" failed.', PAYMENT_PROCESS_ERROR_INVALID);
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}
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}
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}
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return true;
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}
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// }}}
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// {{{ set($field, $value)
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/**
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* Set a value.
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*
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* This will set a value, such as the credit card number. If the requested
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* field is not part of the basic set of supported fields, it is set in
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* $_options.
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*
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* @param string $field The field to set
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* @param string $value The value to set
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* @return void
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*/
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function set($field, $value)
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{
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if (!$this->fieldExists($field)) {
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return PEAR::raiseError('Field "' . $field . '" does not exist.', PAYMENT_PROCESS_ERROR_INVALID);
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}
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$this->$field = $value;
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return true;
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}
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// }}}
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// {{{ isRequired($field)
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/**
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* Determine if a field is required.
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*
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* @param string $field Field to check
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* @return boolean true if required, false if optional.
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*/
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function isRequired($field)
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{
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return (isset($this->_required[$field]));
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}
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// }}}
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// {{{ fieldExists($field)
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/**
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* Determines if a field exists.
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*
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* @author Ian Eure <ieure@php.net>
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* @param string $field Field to check
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* @return boolean true if field exists, false otherwise
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*/
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function fieldExists($field)
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{
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return @in_array($field, $this->getFields());
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}
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// }}}
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// {{{ getFields()
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/**
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* Get a list of fields.
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*
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* This function returns an array containing all the possible fields which
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* may be set.
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*
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* @author Ian Eure <ieure@php.net>
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* @access public
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* @return array Array of valid fields.
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*/
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function getFields()
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{
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$vars = array_keys(get_class_vars(get_class($this)));
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foreach ($vars as $idx => $field) {
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if ($field[0] == '_') {
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unset($vars[$idx]);
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}
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}
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return $vars;
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}
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// }}}
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// {{{ setOptions($options = false, $defaultOptions = false)
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/**
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* Set class options.
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*
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* @author Ian Eure <ieure@php.net>
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* @param Array $options Options to set
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* @param Array $defaultOptions Default options
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* @return void
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*/
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function setOptions($options = false, $defaultOptions = false)
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{
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$defaultOptions = $defaultOptions ? $defaultOptions : $this->_defaultOptions; $this->_options = @array_merge($defaultOptions, $options);
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}
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// }}}
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// {{{ getOption($option)
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/**
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* Get an option value.
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*
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* @author Ian Eure <ieure@php.net>
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* @param string $option Option to get
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* @return mixed Option value
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*/
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function getOption($option)
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{
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return @$this->_options[$option];
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}
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// }}}
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// {{{ setOption($option,$value)
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/**
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* Set an option value
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*
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* @author Joe Stump <joe@joestump.net>
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||
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* @access public
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||
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* @param string $option Option name to set
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* @param mixed $value Value to set
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||
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*/
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function setOption($option,$value)
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{
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return ($this->_options[$option] = $value);
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}
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// }}}
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// {{{ getResult()
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/**
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* Gets transaction result.
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||
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*
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||
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* This function should be overloaded by the processor.
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||
|
|
*/
|
||
|
|
function getResult()
|
||
|
|
{
|
||
|
|
return PEAR::raiseError("getResult() is not implemented in this processor.", PAYMENT_PROCESS_ERROR_NOTIMPLEMENTED);
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _isDefinedConstant($value, $class)
|
||
|
|
/**
|
||
|
|
* See if a value is a defined constant.
|
||
|
|
*
|
||
|
|
* This function checks to see if $value is defined in one of
|
||
|
|
* PAYMENT_PROCESS_{$class}_*. It's used to verify that e.g.
|
||
|
|
* $object->action is one of PAYMENT_PROCESS_ACTION_NORMAL,
|
||
|
|
* PAYMENT_PROCESS_ACTION_AUTHONLY etc.
|
||
|
|
*
|
||
|
|
* @access private
|
||
|
|
* @param mixed $value Value to check
|
||
|
|
* @param mixed $class Constant class to check
|
||
|
|
* @return boolean true if it is defined, false otherwise.
|
||
|
|
*/
|
||
|
|
function _isDefinedConst($value, $class)
|
||
|
|
{
|
||
|
|
$constClass = 'PAYMENT_PROCESS_'.strtoupper($class).'_';
|
||
|
|
$length = strlen($constClass);
|
||
|
|
$consts = get_defined_constants();
|
||
|
|
$found = false;
|
||
|
|
foreach ($consts as $constant => $constVal) {
|
||
|
|
if (strncmp($constClass, $constant, $length) === 0 &&
|
||
|
|
$constVal == $value) {
|
||
|
|
$found = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $found;
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _makeRequired()
|
||
|
|
/**
|
||
|
|
* Mark a field (or fields) as being required.
|
||
|
|
*
|
||
|
|
* @param string $field Field name
|
||
|
|
* @param string ...
|
||
|
|
* @return boolean always true.
|
||
|
|
*/
|
||
|
|
function _makeRequired()
|
||
|
|
{
|
||
|
|
foreach (func_get_args() as $field) {
|
||
|
|
$this->_required[$field] = true;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _makeOptional()
|
||
|
|
/**
|
||
|
|
* Mark a field as being optional.
|
||
|
|
*
|
||
|
|
* @param string $field Field name
|
||
|
|
* @param ...
|
||
|
|
* @return boolean always true.
|
||
|
|
*/
|
||
|
|
function _makeOptional()
|
||
|
|
{
|
||
|
|
foreach (func_get_args() as $field) {
|
||
|
|
unset($this->_required[$field]);
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _validateType()
|
||
|
|
/**
|
||
|
|
* Validates transaction type.
|
||
|
|
*
|
||
|
|
* @return boolean true on success, false on failure.
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _validateType()
|
||
|
|
{
|
||
|
|
return $this->_isDefinedConst($this->type, 'type');
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _validateAction()
|
||
|
|
/**
|
||
|
|
* Validates transaction action.
|
||
|
|
*
|
||
|
|
* @return boolean true on success, false on failure.
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _validateAction()
|
||
|
|
{
|
||
|
|
return (isset($GLOBALS['_Payment_Process_'.$this->_driver][$this->action]));
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _validateSource()
|
||
|
|
/**
|
||
|
|
* Validates transaction source.
|
||
|
|
*
|
||
|
|
* @return boolean true on success, false on failure.
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _validateSource()
|
||
|
|
{
|
||
|
|
return $this->_isDefinedConst($this->transactionSource, 'source');
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _validateAmount()
|
||
|
|
/**
|
||
|
|
* Validates the charge amount.
|
||
|
|
*
|
||
|
|
* Charge amount must be 8 characters long, double-precision.
|
||
|
|
* Current min/max are rather arbitrarily set to $0.99 and $99999.99,
|
||
|
|
* respectively.
|
||
|
|
*
|
||
|
|
* @return boolean true on success, false otherwise
|
||
|
|
*/
|
||
|
|
function _validateAmount()
|
||
|
|
{
|
||
|
|
return Validate::number($this->amount, array(
|
||
|
|
'decimal' => '.',
|
||
|
|
'dec_prec' => 2,
|
||
|
|
'min' => 0.99,
|
||
|
|
'max' => 99999.99
|
||
|
|
));
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _handleAction()
|
||
|
|
/**
|
||
|
|
* Handles action
|
||
|
|
*
|
||
|
|
* Actions are defined in $GLOBALS['_Payment_Process_DriverName'] and then
|
||
|
|
* handled here. We may decide to abstract the defines in the driver.
|
||
|
|
*
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _handleAction()
|
||
|
|
{
|
||
|
|
$this->_data[$this->_fieldMap['action']] = $GLOBALS['_Payment_Process_'.$this->_driver][$this->action];
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
// {{{ _prepare()
|
||
|
|
/**
|
||
|
|
* Prepares the POST data.
|
||
|
|
*
|
||
|
|
* This function handles translating the data set in the front-end to the
|
||
|
|
* format needed by the back-end. The prepared data is stored in
|
||
|
|
* $this->_data. If a '_handleField' method exists in this class (e.g.
|
||
|
|
* '_handleCardNumber()'), that function is called and /must/ set
|
||
|
|
* $this->_data correctly. If no field-handler function exists, the data
|
||
|
|
* from the front-end is mapped into $_data using $this->_fieldMap.
|
||
|
|
*
|
||
|
|
* @return array Data to POST
|
||
|
|
* @access private
|
||
|
|
*/
|
||
|
|
function _prepare()
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* FIXME - because this only loops through stuff in the fieldMap, we
|
||
|
|
* can't have handlers for stuff which isn't specified in there.
|
||
|
|
* But the whole point of having a _handler() is that you need
|
||
|
|
* to do something more than simple mapping.
|
||
|
|
*/
|
||
|
|
foreach ($this->_fieldMap as $generic => $specific) {
|
||
|
|
$func = '_handle'.ucfirst($generic);
|
||
|
|
if (method_exists($this, $func)) {
|
||
|
|
$result = $this->$func();
|
||
|
|
if (PEAR::isError($result)) {
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// TODO This may screw things up - the problem is that
|
||
|
|
// CC information is no longer member variables, so we
|
||
|
|
// can't overwrite it. You could always handle this with
|
||
|
|
// a _handle funciton. I don't think it will cause problems,
|
||
|
|
// but it could.
|
||
|
|
if (!isset($this->_data[$specific])) {
|
||
|
|
if (isset($this->$generic)) {
|
||
|
|
$this->_data[$specific] = $this->$generic;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Form of payments data overrides those set in the
|
||
|
|
// Payment_Process_Common.
|
||
|
|
if (isset($this->_payment->$generic)) {
|
||
|
|
$this->_data[$specific] = $this->_payment->$generic;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
// }}}
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|