graphql_core_schema-1.0.x-dev/src/EntitySchemaHelper.php

<?php

namespace Drupal\graphql_core_schema;

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Field\FieldItemInterface;
use function Symfony\Component\String\u;

/**
 * The EntitySchemaHelper class.
 */
class EntitySchemaHelper {

  /**
   * Always return an array from the given input.
   *
   * @param string|string[] $parts
   *   The input.
   *
   * @return string
   *   The string.
   */
  private static function processArg($parts) {
    if (is_string($parts)) {
      return $parts;
    }
    return implode('_', $parts);
  }

  /**
   * Get the GraphQL type for an entity.
   *
   * @param \Drupal\Core\Entity\EntityInterface $entity
   *   The entity to get the type for.
   *
   * @return string
   *   The GraphQL type name.
   *
   * @deprecated
   *   Use \Drupal\graphql_core_schema\CoreComposableConfig::getTypeNameForEntity() instead.
   */
  public static function getGraphqlTypeForEntity(EntityInterface $entity) {
    @trigger_error(__METHOD__ . ' is deprecated in graphql_core_schema:1.0.23 and is removed from graphql_core_schema:2.0.0. Use \Drupal\graphql_core_schema\CoreComposableConfig::getTypeNameForEntity() instead. See https://www.drupal.org/project/graphql_core_schema/issues/3499601', E_USER_DEPRECATED);
    $type = $entity->getEntityType();
    $hasBundles = $type->hasKey('bundle');
    return $hasBundles
      ? self::toPascalCase([$type->id(), $entity->bundle()])
      : self::toPascalCase([$type->id()]);
  }

  /**
   * Create a PascalCase string from the parts.
   *
   * @param string|string[] $parts
   *   The parts to concatenate and build the string.
   *
   * @return string
   *   THe PascalCase string.
   */
  public static function toPascalCase($parts): string {
    return u(self::processArg($parts))->title()->camel()->title()->toString();
  }

  /**
   * Create a snake_case string.
   *
   * @param string|string[] $parts
   *   The input string.
   *
   * @return string
   *   The snake_case string.
   */
  public static function toSnakeCase($parts): string {
    return u(self::processArg($parts))->snake()->toString();
  }

  /**
   * Create a camelCase string.
   *
   * @param string|string[] $parts
   *   The input string.
   *
   * @return string
   *   The camelCase string.
   */
  public static function toCamelCase($parts): string {
    return u(self::processArg($parts))->camel()->toString();
  }

  /**
   * Get the GraphQL type name for a field item.
   *
   * @param \Drupal\Core\Field\FieldItemInterface $fieldItem
   *   The field item.
   *
   * @return string
   *   The type.
   */
  public static function getTypeForFieldItem(FieldItemInterface $fieldItem): string {
    $dataType = $fieldItem->getDataDefinition()->getDataType();
    return self::toPascalCase([$dataType]);
  }

  /**
   * Encode an enum value.
   *
   * @param string $value
   *   The enum value.
   *
   * @return string
   *   The encoded enum value.
   */
  public static function encodeEnumValue(string $value): string {
    $encoded = strtoupper($value);

    // Prepend two underscores if the value starts with a number.
    if (preg_match('/^[0-9]/', $encoded) === 1) {
      return '__' . $encoded;
    }

    return $encoded;
  }

  /**
   * Decode an enum value.
   *
   * @param string $encoded
   *   The encoded enum value.
   *
   * @return string
   *   The decoded enum value.
   */
  public static function decodeEnumValue(string $encoded): string {
    $decoded = strtolower($encoded);

    // If the value starts with two underscores and a number, remove the two
    // underscores.
    if (preg_match('/^__[0-9]/', $decoded) === 1) {
      return substr($decoded, 2);
    }

    return $decoded;
  }

}