provider_stripe.module

<?php

/**
 * @file
 * Contains provider_stripe.module.
 */

use Drupal\Core\Messenger\MessengerInterface;

/**
 * Implements hook_preprocess_HOOK().
 */
function provider_stripe_preprocess_page(&$variables) {
  $admin_context = \Drupal::service('router.admin_context');
  if ($admin_context->isAdminRoute()) {
    $user_roles = \Drupal::currentUser()->getRoles();

    if (in_array('administrator', $user_roles)) {
      /** @var \Drupal\provider_stripe\StripeApiService $stripe_api **/
      $stripe_api = \Drupal::service('provider_stripe.stripe_api');
      if ($stripe_api->getMode() === 'test') {
        \Drupal::messenger()
          ->addMessage(t('Provider Stripe is running in test mode.'),
            MessengerInterface::TYPE_WARNING);
      }
    }
  }
  // $module_data = \Drupal::config('core.extension')->get('module');
  // unset($module_data['subscription_manager']);
  // \Drupal::configFactory()->getEditable('core.extension')->set('module', $module_data)->save();
}