graphql_compose-1.0.0-beta20/modules/graphql_compose_views/src/Plugin/GraphQL/DataProducer/ViewsPageInfo.php

<?php

declare(strict_types=1);

namespace Drupal\graphql_compose_views\Plugin\GraphQL\DataProducer;

use Drupal\Core\Plugin\Context\ContextDefinition;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\graphql\Attribute\DataProducer;
use Drupal\graphql\GraphQL\Execution\FieldContext;
use Drupal\graphql\Plugin\GraphQL\DataProducer\DataProducerPluginBase;
use Drupal\views\ViewExecutable;

/**
 * Get pager info for a view.
 */
#[DataProducer(
  id: "views_page_info",
  name: new TranslatableMarkup("Views page info"),
  description: new TranslatableMarkup("Metadata info on a view"),
  produces: new ContextDefinition(
    data_type: "any",
    label: new TranslatableMarkup("Page info results"),
  ),
  consumes: [
    "executable" => new ContextDefinition(
      data_type: "any",
      label: new TranslatableMarkup("View executable"),
    ),
  ],
)]
class ViewsPageInfo extends DataProducerPluginBase {

  /**
   * Resolve extra views pager information.
   *
   * @param \Drupal\views\ViewExecutable $view
   *   View executable.
   * @param \Drupal\graphql\GraphQL\Execution\FieldContext $context
   *   The cache context.
   *
   * @return array
   *   View pager information.
   */
  public function resolve(ViewExecutable $view, FieldContext $context): array {
    return [
      'offset' => $view->getOffset() ?: 0,
      'page' => $view->getCurrentPage() ?: 0,
      'pageSize' => $view->getItemsPerPage() ?: 0,
      'total' => $view->total_rows ?: 0,
    ];
  }

}