A payment gateway, How to devolope it?

Alexandero · February 18, 2008

Hi,

I have a merchant account with www.paydollar.com. But I don't know how to integrate their payment page into my oscommerce site.

I don't want to simple direct the customers to this gateway, because I have multilanguage Os so I want the payment page to be in these languages as Paydollars payment page is only in english.

Your suggestions and replies will be very appreciated.

Thank you

PM

Alexandero · February 19, 2008

Please could anyone just convert this code into Oscommerce vriables? As I was looking for that module, I could only found Zen Cart forums.

Thanks a lot.

PN: This code will be helpful for everyone looking for Paydollar gateway module.

<?php
/**
* paydollar.php payment module class for Paypal IPN payment method
* created by: Emmanuel L. Bautista for Zen Cart
* email: [email protected]
* Copyright June 2006
*/


/**
* paydollar pyment method class
*
*/
class paydollar extends base {
 /**
  * string repesenting the payment method
  *
  * @var string
  */
 var $code;
 /**
  * $title is the displayed name for this payment method
  *
  * @var string
*/
 var $title;
 /**
  * $description is a soft name for this payment method
  *
  * @var string
*/
 var $description;
 /**
  * $enabled determines whether this module shows or not... in catalog.
  *
  * @var boolean
*/
 var $enabled;
 /**
* constructor
*
* @param int $paypal_ipn_id
* @return paypal
*/
 function paydollar() {
global $order;

$this->code = 'paydollar';
if ($_GET['main_page'] != '') {
  $this->title = MODULE_PAYMENT_PAYDOLLAR_TEXT_CATALOG_TITLE; // Payment module title in Catalog
} else {
  $this->title = MODULE_PAYMENT_PAYDOLLAR_TEXT_ADMIN_TITLE; // Payment module title in Admin
}
$this->description = MODULE_PAYMENT_PAYDOLLAR_TEXT_DESCRIPTION;
$this->enabled = ((MODULE_PAYMENT_PAYDOLLAR_STATUS == 'True') ? true : false);
$this->sort_order = MODULE_PAYMENT_PAYDOLLAR_SORT_ORDER;

if ((int)MODULE_PAYMENT_PAYDOLLAR_ORDER_STATUS_ID > 0) {
  $this->order_status = MODULE_PAYMENT_PAYDOLLAR_ORDER_STATUS_ID;
}

if (is_object($order)) $this->update_status();

$this->form_action_url = MODULE_PAYMENT_PAYDOLLAR_HANDLER;
 }
 /**
  * calculate zone matches and flag settings to determine whether this module should display to customers or not
*
*/
 function update_status() {
	 global $order, $db;

if ( ($this->enabled == true) && ((int)MODULE_PAYMENT_PAYDOLLAR_ZONE > 0) ) {
  $check_flag = false;
  $check = $db->Execute("select zone_id from " . TABLE_ZONES_TO_GEO_ZONES . " where geo_zone_id = '" . MODULE_PAYMENT_PAYDOLAR_ZONE . "' and zone_country_id = '" . $order->billing['country']['id'] . "' order by zone_id");
  while (!$check->EOF) {
	if ($check->fields['zone_id'] < 1) {
	  $check_flag = true;
	  break;
	} elseif ($check->fields['zone_id'] == $order->billing['zone_id']) {
	  $check_flag = true;
	  break;
	}
	$check->MoveNext();
  }

  if ($check_flag == false) {
	$this->enabled = false;
  }
}
 }
 /**
  * JS validation which does error-checking of data-entry if this module is selected for use
  * (Number, Owner, and CVV Lengths)
  *
  * @return string
*/
 function javascript_validation() {

 }
 /**
  * Displays Credit Card Information Submission Fields on the Checkout Payment Page
  * In the case of paypal, this only displays the paypal title
  *
  * @return array
*/
 function selection() {
  return array('id' => $this->code,
			 'module' => $this->title);
 }
 /**
  * Normally evaluates the Credit Card Type for acceptance and the validity of the Credit Card Number & Expiration Date
  * Since paypal module is not collecting info, it simply skips this step.
  *
  * @return boolean
  */
 function pre_confirmation_check() {

 }
 /**
  * Display Credit Card Information on the Checkout Confirmation Page
  * Since none is collected for paypal before forwarding to paypal site, this is skipped
  *
  * @return boolean
*/
 function confirmation() {

 }
 /**
  * Build the data and actions to process when the "Submit" button is pressed on the order-confirmation screen.
  * This sends the data to the payment gateway for processing.
  * (These are hidden fields on the checkout confirmation page)
  *
  * @return string
*/
 function process_button() {
	global $_SERVER, $order;

	$this->totalsum = $order->info['total'];
	$this->orderRef = zen_get_Order_ID(zen_session_id());   // JTD:01/25/06

	/*$process_button_string = zen_draw_hidden_field('merchantId', MODULE_PAYMENT_PAYDOLLAR_ID) .
	zen_draw_hidden_field('amount', $this->totalsum) .
	zen_draw_hidden_field('orderRef', $this->orderRef) .
	zen_draw_hidden_field('currCode', $this->getCurrencyCode) .
	zen_draw_hidden_field('successUrl', zen_href_link(FILENAME_CHECKOUT_PROCESS, '', 'SSL', false)) . //
	zen_draw_hidden_field('failUrl', zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL')) . //
	zen_draw_hidden_field('cancelUrl', zen_href_link(FILENAME_CHECKOUT_PAYMENT, '', 'SSL')) .//
	zen_draw_hidden_field('payType', 'N') .
	zen_draw_hidden_field('lang', $this->getLanguageCode); */

	$process_button_string = '<input type="hidden" name="merchantId" value="'.MODULE_PAYMENT_PAYDOLLAR_ID.'"/>
							  <input type="hidden" name="amount" value="'. $this->totalsum .'" />
							  <input type="hidden" name="orderRef" value="'. $this->orderRef .'"/>
							  <input type="hidden" name="currCode" value="'. $this->getCurrencyCode() .'" />
							  <input type="hidden" name="successUrl" value="'. zen_href_link(FILENAME_CHECKOUT_SUCCESS, '', 'SSL', false) .'"/>
							  <input type="hidden" name="failUrl" value="' . zen_href_link(FILENAME_CHECKOUT_PAYMENT, 'payment_status=failed', 'SSL') . '"/>
							  <input type="hidden" name="cancelUrl" value="'. zen_href_link(FILENAME_CHECKOUT_PAYMENT, 'payment_status=canceled', 'SSL') .'"/>
							  <input type="hidden" name="payType" value="N">
							  <input type="hidden" name="lang" value="'. $this->getLanguageCode() .'">';

 return $process_button_string;

 }
/*“344” - HKD
“840” – USD
“702” – SGD
“156” – CNY (RMB)
“392” – JPY
“901” – TWD
“036” – AUD
“978” – EUR
“826” – GBP
“124” – CAD
 */
 function getCurrencyCode(){

switch (MODULE_PAYMENT_PAYDOLLAR_CURRENCY) {
		case 'Only HKD':  $cur = '344';
				break;
		case 'Only USD':  $cur = '840';
			   break;
		case 'Only SGD':  $cur = '702';
				break;
		case 'Only CNY':  $cur = '156';
				break;
		case 'Only JPY':  $cur = '392';
				break;
		case 'Only TWD':  $cur = '901';
				break;
		case 'Only AUD':  $cur = '036';
				break;
		case 'Only EUR':  $cur = '978';
				break;
		case 'Only GBP':  $cur = '826';
				break;
		case 'Only CAD':  $cur = '124';
				break;
		default:  $cur = '344';

}

return $cur;
 }

 /*
The language of the payment page i.e.
“C” – Traditional Chinese
“E” – English
“X” – Simplified Chinese
“K” – Korean
“J” – Japanese
 */
 function getLanguageCode(){
   switch (MODULE_PAYMENT_PAYDOLLAR_LANGUAGE) {
		case 'Traditional Chinese':  $lang = 'C';
				break;
		case 'English':  $lang = 'E';
			   break;
		case 'Simplified Chinese':  $lang = 'XC';
				break;
		case 'Korean':  $lang = 'K';
				break;
		case 'Japanese':  $lang = 'J';
				break;
		default:  $lang = 'E';

}

return $lang;
 }
 /**
  * Store transaction info to the order and process any results that come back from the payment gateway
*
*/
 function before_process() {

 }
 /**
* Checks referrer
*
* @param string $zf_domain
* @return boolean
*/
 function check_referrer($zf_domain) {

 }
 /**
* Build admin-page components
*
* @param int $zf_order_id
* @return string
*/
 function admin_notification($zf_order_id) {

 }
 /**
  * Post-processing activities
  *
  * @return boolean
*/
 function after_process() {

 }
 /**
  * Used to display error message details
  *
  * @return boolean
*/
 function output_error() {

 }
 /**
  * Check to see whether module is installed
  *
  * @return boolean
*/
 function check() {
   global $db;
if (!isset($this->_check)) {
  $check_query = $db->Execute("select configuration_value from " . TABLE_CONFIGURATION . " where configuration_key = 'MODULE_PAYMENT_PAYDOLLAR_STATUS'");
  $this->_check = $check_query->RecordCount();
}
return $this->_check;
 }
 /**
  * Install the payment module and its configuration settings
*
*/
 function install() {
  global $db;
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable PayDollar Module', 'MODULE_PAYMENT_PAYDOLLAR_STATUS', 'True', 'Do you want to accept Paydollar payments?', '6', '0', 'zen_cfg_select_option(array(\'True\', \'False\'), ', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('PayDollar ID', 'MODULE_PAYMENT_PAYDOLLAR_ID', '1', 'The merchant id used for the Paydollar service', '6', '0', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Transaction Currency', 'MODULE_PAYMENT_PAYDOLLAR_CURRENCY', 'Selected Currency', 'Choose the currency/currencies you want to accept', '6', '0', 'zen_cfg_select_option(array(\'Selected Currency\',\'Only HKD\',\'Only USD\',\'Only SGD\',\'Only CNY\',\'Only JPY\',\'Only TWD\',\'Only AUD\',\'Only EUR\',\'Only GBP\',\'Only CAD\'), ', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Transaction Currency', 'MODULE_PAYMENT_PAYDOLLAR_LANGUAGE', 'Selected Language', 'Choose the currency/currencies you want to accept', '6', '0', 'zen_cfg_select_option(array(\'Selected Language\',\'Trad Chinese\',\'English\',\'Simplified Chinese\',\'Korean\',\'Japanese\'), ', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, use_function, date_added) values ('Set Order Status', 'MODULE_PAYMENT_PAYDOLLAR_ORDER_STATUS_ID', '0', 'Set the status of orders made with this payment module to this value', '6', '0', 'zen_cfg_pull_down_order_statuses(', 'zen_get_order_status_name', now())");
$db->Execute("insert into " . TABLE_CONFIGURATION . " (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, date_added) values ('Paydollar server', 'MODULE_PAYMENT_PAYDOLLAR_HANDLER', 'https://www.paydollar.com/b2c2/eng/payment/payForm.jsp', 'Type the server that will handle the transaction. The default is <code>https://www.paydollar.com/b2c2/eng/payment/payForm.jsp</code>', '6', '0', now())");
 }
 /**
  * Remove the module and all its settings
*
*/
 function remove() {
  global $db;
$db->Execute("delete from " . TABLE_CONFIGURATION . " where configuration_key in ('" . implode("', '", $this->keys()) . "')");

 }
 /**
  * Internal list of configuration keys used for configuration of the module
  *
  * @return array
*/
 function keys() {
	   return array('MODULE_PAYMENT_PAYDOLLAR_STATUS', 'MODULE_PAYMENT_PAYDOLLAR_ID', 'MODULE_PAYMENT_PAYDOLLAR_ORDER_STATUS_ID', 'MODULE_PAYMENT_PAYDOLLAR_CURRENCY','MODULE_PAYMENT_PAYDOLLAR_LANGUAGE', 'MODULE_PAYMENT_PAYDOLLAR_HANDLER');
 }
}
?>

February 20, 2008

If there is not one available in the contributions you can;

1) Write one yourself.

2) Pay someone to write one for you.

3) Email the company, they might already have one done.

4) Switch payment processors, there is a module for 2000Charge.

Alexandero · February 20, 2008

I tried to hire someone but their rates are too high especially that I have all the codes. Therefore, even if I am not a coder and never coded, I just modifed some codes of the code above then I arrived to install it, and I am almost done. I can see it on Admin and catalogue sides, but I receive an error on the payment gateway. There is a parameter missing. I don't know how to add it :(

Any help please?

A payment gateway, How to devolope it?

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