public function FileDirectorySource::exportToFile in Backup and Migrate 5.0.x

Export this source to the given temp file.

This should be the main back up function for this source.

Return value

\Drupal\backup_migrate\Core\File\BackupFileReadableInterface A backup file with the contents of the source dumped to it..

Overrides SourceInterface::exportToFile

File

src/Core/Source/FileDirectorySource.php, line 49

Class

FileDirectorySource

@package Drupal\backup_migrate\Core\Source

Namespace

Drupal\backup_migrate\Core\Source

Code

public function exportToFile() {
  if ($directory = $this
    ->confGet('directory')) {

    // Make sure the directory ends in exactly 1 slash:
    if (substr($directory, -1) !== '/') {
      $directory = $directory . '/';
    }
    if (!($writer = $this
      ->getArchiveWriter())) {
      throw new BackupMigrateException('A file directory source requires an archive writer object.');
    }
    $ext = $writer
      ->getFileExt();
    $file = $this
      ->getTempFileManager()
      ->create($ext);
    if ($files = $this
      ->getFilesToBackup($directory)) {
      $writer
        ->setArchive($file);
      foreach ($files as $new => $real) {
        $writer
          ->addFile($real, $new);
      }
      $writer
        ->closeArchive();
      return $file;
    }
    throw new BackupMigrateException('The directory %dir does not not have any files to be backed up.', [
      '%dir' => $directory,
    ]);
  }
  return FALSE;
}