public function JsonQueryMapQueryProvider::getQuery in GraphQL 8.3

Returns a query string given the query parameters.

Can be used to load a query string from arbitrary query parameters e.g. when using persisted queries (loading queries by their hash or version and id).

Parameters

string $id: The query id.

\GraphQL\Server\OperationParams $operation: The operation parameters.

Return value

string|null The query string or NULL if it couldn't be determined.

Overrides QueryProviderInterface::getQuery

File

src/GraphQL/QueryProvider/JsonQueryMapQueryProvider.php, line 42

Class

JsonQueryMapQueryProvider

Namespace

Drupal\graphql\GraphQL\QueryProvider

Code

public function getQuery($id, OperationParams $operation) {
  list($version, $id) = explode(':', $id);

  // Check that the id is properly formatted.
  if (empty($version) || empty($id)) {
    return NULL;
  }
  if (!(($cache = $this->cacheBackend
    ->get('graphql_query_map_json_versions')) && ($versions = $cache->data) !== NULL)) {
    $this->cacheBackend
      ->set('graphql_query_map_json_versions', $versions = $this
      ->discoverQueryMaps());
  }
  if (isset($versions) && isset($versions[$version]) && file_exists($versions[$version])) {
    $contents = json_decode(file_get_contents($versions[$version]), TRUE);
    if ($query = array_search($id, $contents)) {
      return $query;
    }
  }
  return NULL;
}