function commerce_sagepay_paypal_submit_form_validate in Drupal Commerce SagePay Integration 7

Payment method callback: checkout form submission.

File

modules/commerce_sagepay_paypal/includes/commerce_sagepay_paypal.inc, line 18

Code

function commerce_sagepay_paypal_submit_form_validate($payment_method, $pane_form, $pane_values, &$order, $charge) {

  // Wrap the order for easier access to data.
  $wrapper = entity_metadata_wrapper('commerce_order', $order);
  $total = commerce_line_items_total($wrapper->commerce_line_items);

  // Add tax if we have sales tax in the order.
  $total['amount'] = $wrapper->commerce_order_total->amount
    ->value();

  // Load customer profile.
  $profile = commerce_customer_profile_load($order->commerce_customer_billing[LANGUAGE_NONE][0]['profile_id']);

  // Get user billing address.
  $billing_address = $profile->commerce_customer_address[LANGUAGE_NONE][0];

  // Get user delivery address.
  $delivery_address = NULL;
  if (isset($order->commerce_customer_shipping)) {
    $delivery_profile = commerce_customer_profile_load($order->commerce_customer_shipping[LANGUAGE_NONE][0]['profile_id']);
    $delivery_address = $delivery_profile->commerce_customer_address[LANGUAGE_NONE][0];
  }
  $settings = array();
  $data = _commerce_sagepay_encrypted_order($settings, $order, $total, $billing_address, $delivery_address, SAGEPAY_PAYPAL, $pane_values);

  // Create a POST to send to SagePay.
  $post = '';
  foreach ($data as $name => $value) {
    $post .= urlencode($name) . '=' . urlencode($value) . '&';
  }

  // Chop off the last &.
  $post = substr($post, 0, -1);

  // Determine the correct url based on the transaction mode.
  switch (variable_get(SAGEPAY_SETTING_TRANSACTION_MODE)) {
    case SAGEPAY_TXN_MODE_LIVE:
      $server_url = SAGEPAY_DIRECT_SERVER_LIVE;
      break;
    case SAGEPAY_TXN_MODE_TEST:
      $server_url = SAGEPAY_DIRECT_SERVER_TEST;
      break;
    case SAGEPAY_TXN_MODE_SHOWPOST:
      $server_url = SAGEPAY_DIRECT_SERVER_SHOWPOST;
      break;
    case SAGEPAY_TXN_MODE_SIMULATION:
      $server_url = SAGEPAY_DIRECT_SERVER_SIMULATION;
      break;
    default:
      $server_url = SAGEPAY_DIRECT_SERVER_SIMULATION;
  }
  drupal_alter('sagepay_url', $server_url, $pane_values);

  // Send post.
  $response = _commerce_sagepay_request_post($server_url, $post);

  // Collect additional data to store in the transaction.
  $response['Amount'] = $wrapper->commerce_order_total->amount
    ->value();
  $result = commerce_sagepay_process_response($payment_method, $order, $response);
  $paypal_redirect = $response['PayPalRedirectURL'];
  if ($paypal_redirect) {
    drupal_goto($paypal_redirect);
  }
  else {
    $result = FALSE;
  }
  return $result;
}