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commerce_arca.module
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commerce_arca.module
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<?php
/**
* @file
* Implements ArCa payment(https://arca.am) services for use with Drupal Commerce.
*/
// Include helper file.
module_load_include('inc', 'commerce_arca', 'includes/commerce_arca');
define('COMMERCE_ARCA_CURRENCY', 'AMD');
/**
* Implements hook_menu().
*/
function commerce_arca_menu() {
$items = array();
// Callback path for arca server.
$items['commerce_arca/%commerce_payment_method_instance'] = array(
'page callback' => 'commerce_arca_process_payment',
'page arguments' => array(1),
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Processes an incoming query from arca.
*
* @param $payment_method
* The payment method instance array that originally made the payment.
*
* @return
* TRUE or FALSE indicating whether the payment query was successfully processed or not.
*/
function commerce_arca_process_payment($payment_method = NULL) {
if (is_null($payment_method)) {
return FALSE;
}
$callback = $payment_method['base'] . '_process_payment';
// If callback function existed...
if (function_exists($callback)) {
return $callback($payment_method);
}
else {
return FALSE;
}
}
/**
* Implements hook_commerce_payment_method_info().
*/
function commerce_arca_commerce_payment_method_info() {
$payment_methods = array();
$payment_methods['arca_ipay'] = array(
'base' => 'commerce_arca_ipay',
'title' => t('ArCa IPay'),
'short_title' => t('ArCa'),
'description' => t('Armenian Card IPay payment method'),
'terminal' => FALSE,
'offsite' => TRUE,
'offsite_autoredirect' => TRUE,
);
return $payment_methods;
}
/**
* Returns the default settings for the ArCa IPay payment method.
*/
function commerce_arca_ipay_default_settings() {
return array(
'api_url' => '',
'api_login' => '',
'api_password' => '',
'test_mode' => 1,
'payment_method_title' => t('ArCa IPay'),
);
}
/**
* Payment method callback: settings form.
*/
function commerce_arca_ipay_settings_form($settings = array()) {
$form = array();
// Merge default settings into the stored settings array.
$settings = (array) $settings + commerce_arca_ipay_default_settings();
$form['api_url'] = array(
'#type' => 'textfield',
'#title' => t('ArCa IPay API url'),
'#description' => t('The rest API url for making transactions.'),
'#default_value' => $settings['api_url'],
'#required' => TRUE,
);
$form['api_login'] = array(
'#type' => 'textfield',
'#title' => t('ArCa IPay API login'),
'#default_value' => $settings['api_login'],
'#required' => TRUE,
);
$form['api_password'] = array(
'#type' => 'textfield',
'#title' => t('ArCa IPay API password'),
'#default_value' => $settings['api_password'],
'#required' => TRUE,
);
$form['test_mode'] = array(
'#type' => 'checkbox',
'#title' => t('Test mode'),
'#default_value' => $settings['test_mode'],
'#description' => t('Wheather the rest api is for testing or not.'),
);
$form['payment_method_title'] = array(
'#type' => 'textfield',
'#title' => t('Title in payment methods listing'),
'#default_value' => $settings['payment_method_title'],
'#required' => TRUE,
);
return $form;
}
/**
* Implements hook_form_FORM_ID_alter().
*/
function commerce_arca_form_commerce_checkout_form_alter(&$form, &$form_state) {
// If this checkout form contains the payment method radios...
if (!empty($form['commerce_payment']['payment_method']['#options'])) {
// Loop over its options array looking for a ArCa IPay option.
foreach ($form['commerce_payment']['payment_method']['#options'] as $key => &$value) {
list($method_id, $rule_name) = explode('|', $key);
// If we find ArCa IPay...
if ($method_id == 'arca_ipay') {
$settings = $form['commerce_payment']['payment_methods']['#value'][$key]['settings'];
// Prepare the replacement radio button text with icons.
$value = t('!title', array(
'!title' => $settings['payment_method_title'],
));
// Currently Commerce Order only works for AMD currency.
$order = $form_state['order'];
if ($order->commerce_order_total[LANGUAGE_NONE][0]['currency_code'] != COMMERCE_ARCA_CURRENCY) {
drupal_add_js('jQuery(document).ready(function () {
jQuery("#edit-commerce-payment-payment-method-arca-ipaycommerce-payment-arca-ipay").attr("disabled", "disabled");
});', 'inline');
drupal_set_message(t('Currently Commerce ArCa supports only AMD currency.'));
}
if (isset($_SESSION['arca_payment_error'])) {
drupal_set_message(t('!error_message', array(
'!error_message' => $_SESSION['arca_payment_error'],
)), 'error');
unset($_SESSION['arca_payment_error']);
}
break;
}
}
}
}
/**
* Payment method callback: redirect form, a wrapper around the module's general
* use function for building a refirect form.
*/
function commerce_arca_ipay_redirect_form($form, &$form_state, $order, $payment_method) {
$form = array(
'#method' => 'get',
);
$error_message = 'Redirect to ArCa Checkout failed. Please try again later.';
$wrapper = entity_metadata_wrapper('commerce_order', $order);
$amount = $wrapper->commerce_order_total->amount->value();
/*
* Currency code according to ISO 4217 standard (https://en.wikipedia.org/wiki/ISO_4217)
* Currently only for AMD (Armenian dram)
*/
$currency_number = '051';
// If previously has been made query to arca then increment orderNumber to prevent error.
if (isset($order->data['arca_ipay']['orderNumber'])) {
$order_number = $order->data['arca_ipay']['orderNumber'];
$i = explode('-', $order_number);
$i[1]++;
$order_number = $i[0] . '-' . $i[1];
}
else {
$order_number = $order->order_id . '-' . 1;
}
// Collect data for sending http request to arca server.
$data = array(
'orderNumber' => $order_number,
'amount' => $amount,
'currency' => $currency_number,
// Return to the payment redirect page for processing payments.
'returnUrl' => _commerce_arca_return_url($payment_method['instance_id']),
);
// Allow modules to alter parameters of the API request.
drupal_alter('commerce_arca_ipay_order_form_data', $data, $order);
// Register order in arca.
$result = _commerce_arca_ipay_make_request('register', $data);
if (!is_null($result)) {
// Order has been successfully registered.
if ($result->errorCode == 0) {
// Save information retrieved from arca to $order.
$order->data['arca_ipay'] = array(
'orderNumber' => $data['orderNumber'],
);
commerce_order_save($order);
_commerce_arca_ipay_add_redirect_url($form, $result->formUrl);
}
else {
$error_message = $result->errorMessage;
}
}
// If for some reasons there is no #action which means it couldn't be redirected to arca.
if (!isset($form['#action'])) {
commerce_payment_redirect_pane_previous_page($order, $error_message);
$_SESSION['arca_payment_error'] = $error_message;
}
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Proceed to ArCa'),
);
return $form;
}
/**
* Payment method callback: process an arca ipay query.
*
* @return
* TRUE or FALSE indicating whether the payment query was successfully processed or not.
*/
function commerce_arca_ipay_process_payment($payment_method) {
if (!isset($_GET['orderId'])) {
return FALSE;
}
$order_id_arca = $_GET['orderId'];
$order_arca = _commerce_arca_ipay_make_request('getOrderStatus', array(
'orderId' => $order_id_arca,
));
if (isset($order_arca->OrderStatus)) {
$order_id = $order_arca->OrderNumber;
$order_id = explode('-', $order_id);
// Get order id from OrderNumber returned by arca.
if (!ctype_digit($order_id[0])) {
return FALSE;
}
else {
$order_id = $order_id[0];
}
$order = commerce_order_load($order_id);
$transaction = commerce_payment_transaction_new('arca_ipay', $order->order_id);
$transaction->instance_id = $payment_method['instance_id'];
$success = FALSE;
// Payment was successfully done.
if ($order_arca->OrderStatus == 2) {
$transaction->status = COMMERCE_PAYMENT_STATUS_SUCCESS;
$transaction->message = t('The payment has completed.');
$transaction->amount = $order_arca->depositAmount;
$transaction->currency_code = COMMERCE_ARCA_CURRENCY;
$success = TRUE;
}
// Some problem occurs during payment.
else {
$transaction->status = COMMERCE_PAYMENT_STATUS_FAILURE;
if ($order_arca->ErrorCode == 0) {
$transaction->message = t('The payment has failed. Please try again later.');
}
else {
$transaction->message = t('!error_message', array(
'!error_message' => $order_arca->ErrorMessage,
));
}
}
// Save the transaction information.
commerce_payment_transaction_save($transaction);
if ($success) {
drupal_set_message($transaction->message);
commerce_payment_redirect_pane_next_page($order);
// Redirect to checkout complete page.
$url = 'checkout/' . $order->order_id . '/payment/return/' . $order->data['payment_redirect_key'];
}
else {
drupal_set_message($transaction->message, 'error');
commerce_payment_redirect_pane_previous_page($order);
// Redirect to payments listing page.
$url = 'checkout/' . $order->order_id . '/review';
}
drupal_goto($url);
}
else {
return FALSE;
}
}