gathercontent-8.x-5.0/gathercontent_ui/gathercontent_ui.module

<?php

/**
 * @file
 * GatherContent UI.
 */

use Drupal\Core\Url;
use Symfony\Component\HttpFoundation\RedirectResponse;

/**
 * Implements hook_entity_type_alter().
 */
function gathercontent_ui_entity_type_alter(array &$entity_types) {
  if (isset($entity_types['gathercontent_mapping'])) {
    $entity_types['gathercontent_mapping']->setListBuilderClass('Drupal\gathercontent_ui\MappingListBuilder');

    $entity_types['gathercontent_mapping']->setFormClass('default', 'Drupal\gathercontent_ui\Form\MappingImportForm');
    $entity_types['gathercontent_mapping']->setFormClass('add', 'Drupal\gathercontent_ui\Form\MappingImportForm');
    $entity_types['gathercontent_mapping']->setFormClass('edit', 'Drupal\gathercontent_ui\Form\MappingEditForm');
    $entity_types['gathercontent_mapping']->setFormClass('delete', 'Drupal\gathercontent_ui\Form\MappingDeleteForm');

    $entity_types['gathercontent_mapping']->setHandlerClass('route_provider', [
      'html' => 'Drupal\gathercontent_ui\MappingHtmlRouteProvider',
    ]);

    $entity_types['gathercontent_mapping']->set('admin_permission', 'administer gathercontent');

    $entity_types['gathercontent_mapping']->setLinkTemplate('canonical', '/admin/config/services/gathercontent/mapping/{gathercontent_mapping}');
    $entity_types['gathercontent_mapping']->setLinkTemplate('add-form', '/admin/config/services/gathercontent/mapping/create');
    $entity_types['gathercontent_mapping']->setLinkTemplate('edit-form', '/admin/config/services/gathercontent/mapping/{gathercontent_mapping}/edit');
    $entity_types['gathercontent_mapping']->setLinkTemplate('delete-form', '/admin/config/services/gathercontent/mapping/{gathercontent_mapping}/delete');
    $entity_types['gathercontent_mapping']->setLinkTemplate('collection', '/admin/config/services/gathercontent/mapping');
  }
}

/**
 * Finished callback.
 *
 * {@inheritdoc}
 */
function gathercontent_ui_import_finished($success, $results, $operations) {
  $messenger = \Drupal::messenger();

  if ($success) {
    if ($results['success'] > 0) {
      $messenger->addStatus(\Drupal::translation()
        ->formatPlural($results['success'], '1 item was imported successfully.', '@count items were imported successfully.'));
    }

    if ($results['failed'] > 0) {
      $messenger->addError(\Drupal::translation()
        ->formatPlural($results['failed'], '1 item was not imported. Check errors below.', '@count items were not imported. Check errors below.'));
    }

    if ($results['failed'] == 0 && $results['success'] == 0) {
      $messenger->addStatus(t('Nothing was imported or updated.'));
    }

    if (isset($results['messages']) && count($results['messages']) > 0) {
      foreach ($results['messages'] as $message) {
        $messenger->addError($message);
      }
    }
  }
  else {
    $error_operation = reset($operations);

    $messenger->addError(
      t('An error occurred while processing @operation with arguments : @args',
        [
          '@operation' => $error_operation[0],
          '@args' => print_r($error_operation[0], TRUE),
        ]
      )
    );
  }

  return new RedirectResponse(Url::fromRoute('gathercontent_ui.tracked_entities_list')->toString());
}