paypal_payment_ec_test.module in PayPal for Payment 7

Contains hook implementations and global functions.

File

paypal_payment_ec_test/paypal_payment_ec_test.module

<?php

/**
 * @file
 * Contains hook implementations and global functions.
 */

/**
 * Implements hook_menu().
 */
function paypal_payment_ec_test_menu() {
  $items['paypal_payment_ec_test/form/%entity_object'] = array(
    'load arguments' => array(
      'payment_method',
    ),
    'title' => 'Go to payment server',
    'page callback' => 'paypal_payment_ec_test_payment_form',
    'page arguments' => array(
      2,
    ),
    'access callback' => TRUE,
  );
  $items['paypal_payment_ec_test/set_express_checkout/success'] = array(
    'page callback' => 'paypal_payment_ec_test_api',
    'page arguments' => array(
      TRUE,
    ),
    'access callback' => TRUE,
  );
  $items['paypal_payment_ec_test/set_express_checkout/fail'] = array(
    'page callback' => 'paypal_payment_ec_test_api',
    'page arguments' => array(
      FALSE,
    ),
    'access callback' => TRUE,
  );
  $items['paypal_payment_ec_test/checkout/success'] = array(
    'page callback' => 'paypal_payment_ec_test_checkout',
    'page arguments' => array(
      TRUE,
    ),
    'access callback' => TRUE,
  );
  $items['paypal_payment_ec_test/checkout/fail'] = array(
    'page callback' => 'paypal_payment_ec_test_checkout',
    'page arguments' => array(
      FALSE,
    ),
    'access callback' => TRUE,
  );
  return $items;
}

/**
 * Implements hook_url_outbound_alter().
 */
function paypal_payment_ec_test_url_outbound_alter(&$path, array &$options, $original_path) {
  $controller = payment_method_controller_load('PayPalPaymentECPaymentMethodController');
  $paths = array(
    $controller::NVP_API_URL_SERVER_PRODUCTION => 'paypal_payment_ec_test/set_express_checkout/success',
    $controller::NVP_API_URL_SERVER_SANDBOX => 'paypal_payment_ec_test/set_express_checkout/fail',
    $controller::URL_CHECKOUT_PRODUCTION => 'paypal_payment_ec_test/checkout/success',
    $controller::URL_CHECKOUT_SANDBOX => 'paypal_payment_ec_test/checkout/fail',
  );
  if (isset($paths[$original_path])) {
    $path = url($paths[$original_path], array(
      'absolute' => TRUE,
    ));
  }
}

/**
 * Returns a payment form.
 *
 * @return array
 *   A Drupal form.
 */
function paypal_payment_ec_test_payment_form(PaymentMethod $payment_method) {
  $payment = new Payment(array(
    'currency_code' => 'EUR',
    'description' => 'foo',
    'finish_callback' => 'paypal_payment_ec_test_finish_callback',
    'method' => $payment_method,
    'uid' => 1,
  ));
  $payment
    ->setLineItem(new PaymentLineItem(array(
    'name' => 'foo',
    'amount' => 1.0,
    'tax_rate' => 0.1,
  )));
  return drupal_get_form('payment_form_standalone', $payment);
}

/**
 * Responds to API requests.
 *
 * @param bool $success
 */
function paypal_payment_ec_test_api($success) {
  $controller = payment_method_controller_load('PayPalPaymentECPaymentMethodController');
  $nvp_request = $controller
    ->NVPAPIParseResponse(file_get_contents('php://input'));
  $nvp_response = array();
  if ($success && isset($nvp_request['METHOD'])) {
    if ($nvp_request['METHOD'] == 'SetExpressCheckout' && isset($nvp_request['RETURNURL']) && valid_url($nvp_request['RETURNURL'], TRUE) && isset($nvp_request['CANCELURL']) && valid_url($nvp_request['CANCELURL'], TRUE)) {
      variable_set('paypal_payment_ec_test_return_url', $nvp_request['RETURNURL']);
      variable_set('paypal_payment_ec_test_cancel_url', $nvp_request['CANCELURL']);
      $datetime = new DateTime();
      $nvp_response = array(
        'TIMESTAMP' => $datetime
          ->format(DateTime::ISO8601),
        'TOKEN' => paypal_payment_ec_test_token(),
      );
    }
    elseif ($nvp_request['METHOD'] == 'GetExpressCheckoutDetails' && isset($nvp_request['TOKEN'])) {
      $payer_id = substr(drupal_get_hash_salt(), 0, 13);
      variable_set('paypal_payment_ec_test_payer_id', $payer_id);
      $nvp_response = array(
        'PAYERID' => $payer_id,
      );
    }
    elseif ($nvp_request['METHOD'] == 'doExpressCheckoutPayment' && isset($nvp_request['PAYERID']) && $nvp_request['PAYERID'] === variable_get('paypal_payment_ec_test_payer_id') && isset($nvp_request['TOKEN'])) {
      $authentication = $controller::loadAuthentication($nvp_request['TOKEN'], 'token');
      $payment = entity_load_single('payment', $authentication->pid);
      if ($payment->method->controller_data['capture'] == $controller::CAPTURE_AUTOMATIC) {
        $nvp_response = array(
          'PAYMENTINFO_0_PAYMENTSTATUS' => 'Completed',
        );
      }
      elseif ($payment->method->controller_data['capture'] == $controller::CAPTURE_MANUAL) {
        $nvp_response = array(
          'PAYMENTINFO_0_PAYMENTSTATUS' => 'Pending',
          'PAYMENTINFO_0_PENDINGREASON' => 'authorization',
        );
      }
    }
  }
  if ($nvp_response) {
    $nvp_response['ACK'] = 'Success';
  }
  else {
    $nvp_response['ACK'] = 'Failure';
  }
  array_walk($nvp_response, function (&$value, $key) {
    $value = $key . '=' . urlencode($value);
  });
  print implode('&', $nvp_response);
  drupal_exit();
}

/**
 * Returns a checkout response.
 *
 * @param bool $success
 */
function paypal_payment_ec_test_checkout($success) {
  if ($success && isset($_GET['cmd']) && $_GET['cmd'] == '_express-checkout' && isset($_GET['token']) && $_GET['token'] == paypal_payment_ec_test_token()) {
    $url = variable_get('paypal_payment_ec_test_return_url');
  }
  else {
    $url = variable_get('paypal_payment_ec_test_cancel_url');
  }
  drupal_goto($url, array(
    'query' => array(
      'token' => paypal_payment_ec_test_token(),
    ),
  ));
}

/**
 * Returns a PayPal checkout token.
 *
 * @return string
 */
function paypal_payment_ec_test_token() {
  return substr(drupal_get_hash_salt(), 0, 20);
}

/**
 * Implements Payment::finish_callback.
 */
function paypal_payment_ec_test_finish_callback(Payment $payment) {
  drupal_goto('<front>');
}

Functions

Name	Description
paypal_payment_ec_test_api	Responds to API requests.
paypal_payment_ec_test_checkout	Returns a checkout response.
paypal_payment_ec_test_finish_callback	Implements Payment::finish_callback.
paypal_payment_ec_test_menu	Implements hook_menu().
paypal_payment_ec_test_payment_form	Returns a payment form.
paypal_payment_ec_test_token	Returns a PayPal checkout token.
paypal_payment_ec_test_url_outbound_alter	Implements hook_url_outbound_alter().