function backup_directory_list

Get a list of all available backups.

File

core/includes/backup.inc, line 67

Contains functionality related to creating and restoring site backups.

Code

function backup_directory_list() {
  $backups = array();
  $backup_directory = backup_get_backup_directory();
  if (empty($backup_directory)) {
    return $backups;
  }

  $current_directory = '';
  $skip_this_directory = FALSE;
  $backup_file_list = file_scan_directory($backup_directory, '/\.backup\.json$/', array(
    'max_depth' => 2,
  ));
  foreach ($backup_file_list as $backup_file) {
    $backup_file_directory = dirname($backup_file->uri);
    $backup_file_path = $backup_file->uri;
    if ($backup_file_directory != $current_directory) {
      $current_directory = $backup_file_directory;
      $skip_this_directory = FALSE;
    }

    // If a single backup or JSON file in this directory is invalid, skip the
    // entire backup.
    if ($skip_this_directory) {
      continue;
    }

    // Check if the JSON file is valid, if not, continue to the next file.
    $backup_info = @backdrop_json_decode(file_get_contents($backup_file_path));
    $backup_name = basename($backup_file_directory);
    if (!$backup_info || !isset($backup_info['targets'])) {
      $backups[$backup_name] = array(
        'label' => $backup_name,
        'valid' => FALSE,
      );
      $skip_this_directory = TRUE;
      continue;
    }

    // If valid, add to list of backups.
    if (!isset($backups[$backup_name])) {
      $backups[$backup_name] = array(
        'valid' => TRUE,
      ) + $backup_info;
      // Overwrite the backup_directory value to be the current location.
      $backups[$backup_name]['backup_directory'] = $backup_file_directory;
    }
  }

  return $backups;
}