graphql_compose-1.0.0-beta20/modules/graphql_compose_comments/src/Plugin/GraphQL/DataProducer/CommentEdge.php

<?php

declare(strict_types=1);

namespace Drupal\graphql_compose_comments\Plugin\GraphQL\DataProducer;

use Drupal\comment\CommentFieldItemList;
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\graphql_compose_comments\CommentQueryHelper;
use Drupal\graphql_compose_edges\EntityConnection;

/**
 * Queries entities on the platform.
 */
#[DataProducer(
  id: "graphql_compose_edges_comments",
  name: new TranslatableMarkup("Query a list of entity type"),
  description: new TranslatableMarkup("Loads the entity type entities."),
  produces: new ContextDefinition(
    data_type: "any",
    label: new TranslatableMarkup("EntityConnection"),
  ),
  consumes: [
    "field_list" => new ContextDefinition(
      data_type: "any",
      label: new TranslatableMarkup("Field the comment references are attached to"),
    ),
    "first" => new ContextDefinition(
      data_type: "integer",
      label: new TranslatableMarkup("First"),
      required: FALSE,
    ),
    "after" => new ContextDefinition(
      data_type: "string",
      label: new TranslatableMarkup("After"),
      required: FALSE,
    ),
    "last" => new ContextDefinition(
      data_type: "integer",
      label: new TranslatableMarkup("Last"),
      required: FALSE,
    ),
    "before" => new ContextDefinition(
      data_type: "string",
      label: new TranslatableMarkup("Before"),
      required: FALSE,
    ),
    "reverse" => new ContextDefinition(
      data_type: "boolean",
      label: new TranslatableMarkup("Reverse"),
      required: FALSE,
    ),
  ],
)]
class CommentEdge extends DataProducerPluginBase {

  /**
   * Resolves the request to the requested values.
   *
   * @param \Drupal\comment\CommentFieldItemList|null $field_list
   *   The field the comment references are attached to.
   * @param int|null $first
   *   Fetch the first X results.
   * @param string|null $after
   *   Cursor to fetch results after.
   * @param int|null $last
   *   Fetch the last X results.
   * @param string|null $before
   *   Cursor to fetch results before.
   * @param bool|null $reverse
   *   Reverses the order of the data.
   * @param \Drupal\graphql\GraphQL\Execution\FieldContext $context
   *   Cacheability context for this request.
   *
   * @return \Drupal\graphql_compose_edges\ConnectionInterface|null
   *   An entity connection with results and data about the paginated results.
   */
  public function resolve(?CommentFieldItemList $field_list, ?int $first, ?string $after, ?int $last, ?string $before, ?bool $reverse, FieldContext $context) {

    // If access was denied to the field, $field_list will be null.
    if (!$field_list) {
      return NULL;
    }

    $helper = new CommentQueryHelper($field_list);

    return (new EntityConnection($helper))
      ->setPagination($first, $after, $last, $before, $reverse)
      ->setCacheContext($context);
  }

}