function uc_credit_form_alter in Ubercart 6.2

Same name and namespace in other branches

1. 5 payment/uc_credit/uc_credit.module \uc_credit_form_alter()

Implements hook_form_alter().

File

payment/uc_credit/uc_credit.module, line 103

Defines the credit card payment method and hooks in payment gateways.

Code

function uc_credit_form_alter(&$form, $form_state, $form_id) {
  switch ($form_id) {
    case 'uc_payment_methods_form':
      if (user_access('administer credit cards')) {
        if (empty($_POST) && !uc_credit_encryption_key()) {

          // Report error and expand fieldset so the problem is easy to spot
          form_set_error('uc_credit_encryption_path', t('Credit card encryption must be configured to accept credit card payments.'));
          $form['method_credit']['#collapsed'] = FALSE;
        }
        $form['#validate'][] = 'uc_credit_settings_form_validate';
        $form['#submit'][] = 'uc_credit_settings_form_submit';
      }
      break;
    case 'uc_cart_checkout_form':
      if (isset($_POST['cc_number'])) {
        $order = new stdClass();
        uc_payment_method_credit('cart-process', $order, TRUE);
      }

      // Cache the CC details for use in other functions.
      if (isset($_SESSION['sescrd'])) {
        uc_credit_cache('save', $_SESSION['sescrd']);

        // Store the encrypted details to the form for processing on submit.
        $form['payment_details_data'] = array(
          '#type' => 'hidden',
          '#value' => $_SESSION['sescrd'],
        );

        // Clear the session of the details.
        unset($_SESSION['sescrd']);
      }
      unset($_SESSION['cc_pay']);
      break;
    case 'uc_cart_checkout_review_form':

      // Check if the customer paid by CC and refreshed on the review page.
      if (isset($_SESSION['cc_pay']) && !isset($_SESSION['sescrd']) && empty($_POST['sescrd'])) {

        // Send them back to the checkout form to put in their details again.
        drupal_set_message(t('To protect our customers from identity theft, credit card details are erased when a browser refreshes on the checkout review page.  Please enter your card details again and re-submit the form.'), 'error');
        $_SESSION['clear_cc'] = TRUE;
        unset($_SESSION['cc_pay']);
        drupal_goto('cart/checkout');
      }
      if (isset($_SESSION['sescrd'])) {

        // Cache the CC details for use in other functions.
        uc_credit_cache('save', $_SESSION['sescrd']);

        // Store the encrypted details to the form for processing on submit.
        $form['sescrd'] = array(
          '#type' => 'hidden',
          '#value' => base64_encode($_SESSION['sescrd']),
        );

        // Clear the session of the details.
        unset($_SESSION['sescrd']);
      }
      else {
        $form['sescrd'] = array(
          '#type' => 'hidden',
          '#value' => '',
        );
      }

      // Add submit handler to preserve CC details for the back button and
      // failed order submissions.
      $form['back']['#submit'][] = 'uc_credit_cart_review_back_submit';

      // Reconstruct the submit handler array for before and after processing.
      $submit = array_merge(array(
        'uc_credit_cart_review_pre_form_submit',
      ), $form['#submit']);
      $submit[] = 'uc_credit_cart_review_post_form_submit';
      $form['#submit'] = $submit;
      break;
    case 'uc_payment_gateways_form':

      // Loop through each of the gateways on the form.
      foreach (element_children($form['gateways']) as $key) {

        // Get the transaction types associated with this gateway.
        $gateway_types = uc_credit_gateway_txn_types($key);

        // Loop through all the available transaction types.
        $options = array();
        $txn_types = array(
          UC_CREDIT_AUTH_ONLY => t('Authorization only'),
          UC_CREDIT_AUTH_CAPTURE => t('Authorize and capture immediately'),
          UC_CREDIT_REFERENCE_SET => t('Set a reference only'),
        );
        foreach ($txn_types as $type => $title) {

          // Add the current one to the options if the gateway supports it.
          if (in_array($type, $gateway_types)) {
            $options[$type] = $title;
          }
        }
        $form['gateways'][$key]['uc_pg_' . $key . '_cc_txn_type'] = array(
          '#type' => 'radios',
          '#title' => t('Default credit transaction type'),
          '#description' => t('Only available transaction types are listed. The default will be used unless an administrator chooses otherwise through the terminal.'),
          '#options' => $options,
          '#default_value' => variable_get('uc_pg_' . $key . '_cc_txn_type', UC_CREDIT_AUTH_CAPTURE),
          '#weight' => -5,
        );
      }
  }
}