uc_stripe-8.x-3.x-dev/uc_stripe.module

<?php

/**
 * @file
 * A stripe.js PCI-compliant payment gateway
 */

use \Drupal\Core\Form\FormState;

/**
 * @TODO: Revisit this when uc_recurring is available
 *
 * Implements hook_recurring_info() to integrate with uc_recurring
 *
 * @return mixed
 */
//function uc_stripe_recurring_info() {
//  $items['uc_stripe'] = array(
//    'name' => t('Stripe'),
//    'payment method' => 'credit',
//    'module' => 'uc_recurring',
//    'fee handler' => 'uc_stripe',
//    'process callback' => 'uc_stripe_process',
//    'renew callback' => 'uc_stripe_renew',
//    'cancel callback' => 'uc_stripe_cancel',
//    'own handler' => FALSE,
//    'menu' => array(
//      'charge' => UC_RECURRING_MENU_DEFAULT,
//      'edit' => UC_RECURRING_MENU_DEFAULT,
//      'cancel' => UC_RECURRING_MENU_DEFAULT,
//    ),
//  );
//  return $items;
//}


/**
 * Implements hook_form_FORMID_alter() to make sure we've loaded the stripe js.
 * It must be loaded with the original form, as can't get loaded later by ajax,
 * although the attach method gets called IF it's been loaded.
 *
 * @param $form
 * @param $form_state
 */
function uc_stripe_form_uc_cart_checkout_form_alter(&$form, FormState $form_state) {
  $form['#attached']['library'][] = 'uc_stripe/uc_stripe';
}

/**
 * Check that all API keys are configured.
 *
 * @return bool
 *   TRUE if all 4 keys have a value.
 */
function _uc_stripe_check_api_keys($configuration) {
  return $configuration['live_publishable_key'] &&
    $configuration['live_secret_key'] &&
    $configuration['test_publishable_key'] &&
    $configuration['test_secret_key'];
}

/**
 * Implements hook_uc_checkout_complete()
 *
 * Saves stripe customer_id into the user->data object
 *
 * @param $order
 * @param $account
 */
function uc_stripe_uc_checkout_complete($order, $account) {

  if ($order->payment_method == "credit") {
    // Pull the stripe customer ID from the temp storage.
    // It got there in uc_stripe_checkout_form_customsubmit()
    // This is only really necessary for uc_recurring
    $stripe_customer_id = \Drupal::service('user.private_tempstore')->get('uc_stripe')->get('uc_stripe_customer_id');

    \Drupal::getContainer('user.data')->set('uc_stripe', $account->id(), 'uc_stripe_customer_id', $stripe_customer_id);
  }
}


/**
 * TODO: Revisit uc_recurring renewal when uc_recurring is available.
 *
 * Handle renewing a recurring fee, called by uc_recurring
 *
 * Runs when the subscription interval is hit. So once a month or whatever.
 * This just charges the stripe customer whatever amount ubercart wants. It does
 * not use the Stripe subscription feature.
 *
 * @param $order
 * @param $fee
 * @return bool
 */
//function uc_stripe_renew($order, &$fee) {
//
//  try {
//
//    //Load the API
//    _uc_stripe_prepare_api();
//
//    //Get the customer ID
//    $stripe_customer_id = _uc_stripe_get_customer_id($order->id());
//
//    if (empty($stripe_customer_id)) {
//      throw new Exception('No stripe customer ID found');
//    }
//
//
//    //Create the charge
//    $amount = $fee->fee_amount;
//    $amount = $amount * 100;
//
//    $charge = \Stripe\Charge::create(array(
//        "amount" => $amount,
//        "currency" => strtolower($order->currency),
//        "customer" => $stripe_customer_id
//      )
//    );
//
//
//    uc_payment_enter($order->order_id, $order->payment_method, $order->order_total, $fee->id(), $charge, "Success");
//
//    $formatted_amount = number_format($fee->fee_amount, 2);
//    $message = t('Card renewal payment of @amount processed successfully.', array('@amount' => $formatted_amount));
//    uc_order_comment_save($fee->order_id, $order->uid, $message, 'order', 'completed', FALSE);
//
//    return TRUE;
//
//  } catch (Exception $e) {
//    $result = array(
//      'success' => FALSE,
//      'comment' => $e->getCode(),
//      'message' => t("Renewal Failed for order !order: !message", array(
//        "!order" => $order->order_id,
//        "!message" => $e->getMessage()
//      )),
//    );
//
//    uc_order_comment_save($order->order_id, $order->uid, $result['message'], 'admin');
//
//    \Drupal::logger('uc_stripe')->notice('Renewal failed for order @order_id, code=@code, message: @message', array('@order_id' => $order->order_id, '@code' => $result['comment'], '@message' => $result['message']));
//
//    return FALSE;
//  }
//
//
//}

/**
 * TODO: Revisit stripe renewal processing when uc_recurring is available
 * UC Recurring: Process a new recurring fee.
 * This runs when subscriptions are "set up" for the first time.
 * There is no action to be taken here except returning TRUE because the customer
 * ID is already stored with the user, where it can be accessed when next charge
 * takes place.
 *
 * @param $order
 * @param $fee
 * @return bool
 */
//function uc_stripe_process($order, &$fee) {
//  return TRUE;
//}

/**
 * TODO: Revisit this when uc_recurring is available
 *
 * UC Recurring: Cancel a recurring fee.
 * This runs when subscriptions are cancelled
 * Since we're handling charge intervals in ubercart, this doesn't need to do anything.
 *
 * @param $order
 * @param $op
 * @return bool
 */
//function uc_stripe_cancel($order, $op) {
//  $message = t("Subscription Canceled");
//  uc_order_comment_save($order->order_id, $order->uid, $message, 'order', 'completed', FALSE);
//  return TRUE;
//}