Club Drupal

<?php

/**

 * @file

 * Provides an example payment method for Drupal Commerce for testing and

 *   development.

 */

/**

 * Implements hook_commerce_payment_method_info().

 */

function commerce_payment_example_commerce_payment_method_info() {

  $payment_methods = array();

  $payment_methods['commerce_payment_example'] = array(

    'title' => t('Example payment'),

    'description' => t('Demonstrates credit card payment during checkout and serves as a development example.'),

    'active' => TRUE,

  );

  return $payment_methods;

}

/**

 * Payment method callback: submit form.

 */

function commerce_payment_example_submit_form($payment_method, $pane_values, $checkout_pane, $order) {

  module_load_include('inc', 'commerce_payment', 'includes/commerce_payment.credit_card');

  // Default to a known test credit card number. For valid numbers of other card

  // types see: http://www.rimmkaufman.com/blog/credit-card-test-numbers/09112007/

  return commerce_payment_credit_card_form(array(), array('number' => '4111111111111111'));

}

/**

 * Payment method callback: submit form validation.

 */

function commerce_payment_example_submit_form_validate($payment_method, $pane_form, $pane_values, $order, $form_parents = array()) {

  // Validate the credit card fields.

  module_load_include('inc', 'commerce_payment', 'includes/commerce_payment.credit_card');

  $settings = array(

    'form_parents' => array_merge($form_parents, array('credit_card')),

  );

  // Even though a form error triggered by the validate handler would be enough

  // to stop the submission of the form, it's not enough to stop it from a

  // Commerce standpoint because of the combined validation / submission going

  // on per-pane in the checkout form. Thus even with a call to form_set_error()

  // this validate handler must still return FALSE.

  if (!commerce_payment_credit_card_validate($pane_values['credit_card'], $settings)) {

    return FALSE;

  }

}

/**

 * Payment method callback: submit form submission.

 */

function commerce_payment_example_submit_form_submit($payment_method, $pane_form, $pane_values, $order, $charge) {

  // Just as an example, we might store information in the order object from the

  // payment parameters, though we would never save a full credit card number,

  // even in examples!

  $number = $pane_values['credit_card']['number'];

  $pane_values['credit_card']['number'] = substr($number, 0, 4) . str_repeat('-', strlen($number) - 8) . substr($number, -4);

  $order->data['commerce_payment_example'] = $pane_values;

  // Every attempted transaction should result in a new transaction entity being

  // created for the order to log either the success or the failure.

  commerce_payment_example_transaction($payment_method, $order, $charge);

}

/**

 * Creates an example payment transaction for the specified charge amount.

 *

 * @param $payment_method

 *   The payment method instance object used to charge this payment.

 * @param $order

 *   The order object the payment applies to.

 * @param $charge

 *   An array indicating the amount and currency code to charge.

 */

function commerce_payment_example_transaction($payment_method, $order, $charge) {

  $card_details = $order->data['commerce_payment_example']['credit_card'];

  $transaction = commerce_payment_transaction_new('commerce_payment_example', $order->order_id);

  $transaction->instance_id = $payment_method['instance_id'];

  $transaction->amount = $charge['amount'];

  $transaction->currency_code = $charge['currency_code'];

  $transaction->status = COMMERCE_PAYMENT_STATUS_SUCCESS;

  $transaction->message = 'Number: @number<br/>Expiration: @month/@year';

  $transaction->message_variables = array(

    '@number' => $card_details['number'],

    '@month' => $card_details['exp_month'],

    '@year' => $card_details['exp_year'],

  );

  commerce_payment_transaction_save($transaction);

  return $transaction;

}