public function S3fsService::writeFolders in S3 File System 4.0.x

Same name and namespace in other branches

1. 8.3 src/S3fsService.php \Drupal\s3fs\S3fsService::writeFolders()

Write the folders list to the databsae.

Parameters

array $folders: The complete list of folders.

Throws

\Exception

Overrides S3fsServiceInterface::writeFolders

1 call to S3fsService::writeFolders()

S3fsService::refreshCache in src/S3fsService.php

Refreshes the metadata cache.

File

src/S3fsService.php, line 439

Class

S3fsService

Defines a S3fsService service.

Namespace

Drupal\s3fs

Code

public function writeFolders(array $folders) {

  // Now that the $folders array contains all the ancestors of every file in
  // the cache, as well as the existing folders from before the refresh,
  // write those folders to the DB.
  if ($folders) {

    // Splits the data into manageable parts for the database.
    $chunks = array_chunk($folders, 10000, TRUE);
    foreach ($chunks as $chunk) {
      $insert_query = \Drupal::database()
        ->insert('s3fs_file_temp')
        ->fields([
        'uri',
        'filesize',
        'timestamp',
        'dir',
        'version',
      ]);
      foreach ($chunk as $folder_uri => $ph) {
        $metadata = $this
          ->convertMetadata($folder_uri, []);
        $insert_query
          ->values($metadata);
      }

      // @todo Integrity constraint violation.
      // If this throws an integrity constraint violation, then the user's
      // S3 bucket has objects that represent folders using a different
      // scheme than the one we account for above. The best solution I can
      // think of is to convert any "files" in s3fs_file_temp which match
      // an entry in the $folders array (which would have been added in
      // _s3fs_write_metadata()) to directories.
      $insert_query
        ->execute();
    }
  }
}