function photos_access_move_files in Album Photos 8.4

Same name and namespace in other branches

1. 8.5 photos_access/photos_access.module \photos_access_move_files()
2. 6.0.x photos_access/photos_access.module \photos_access_move_files()

Move files from public to private and private to public as needed.

1 call to photos_access_move_files()

photos_access_move_files_form_submit in photos_access/photos_access.module

Form submission handler for private file management.

File

photos_access/photos_access.module, line 228

Implementation of photos_access.module.

Code

function photos_access_move_files($node, $public = TRUE) {
  $nid = $node
    ->id();
  $db = \Drupal::database();

  // Get user account.
  $album_uid = $db
    ->query("SELECT uid FROM {node_field_data} WHERE nid = :nid", [
    ':nid' => $nid,
  ])
    ->fetchField();
  $account = \Drupal::entityTypeManager()
    ->getStorage('user')
    ->load($album_uid);

  // Query all files in album.
  $results = $db
    ->query("SELECT fid FROM {photos_image} WHERE pid = :nid", [
    ':nid' => $nid,
  ]);

  // Check file wrapper.
  $default_scheme = \Drupal::config('system.file')
    ->get('default_scheme');
  $private_scheme = 'private';
  $file_wrapper = $private_scheme . '://';
  $new_scheme = $private_scheme;
  if ($public) {

    // Move files to default filesystem.
    $file_wrapper = $default_scheme . '://';
    $new_scheme = $default_scheme;
  }
  $cache_tags = [];
  $clear_private_styles = [];
  foreach ($results as $result) {
    $fid = $result->fid;

    /** @var \Drupal\file\FileInterface $file */
    $file = File::load($fid);
    $uri = $file
      ->GetFileUri();
    if (strstr($uri, $file_wrapper)) {

      // File is already in correct place.
      // @note continue (check all) or break (assume the rest are also the same)?
      // - mixed private and public files could be in the same album if private
      // - file path is setup after uploading some images.
      continue;
    }

    // Prepare file directory.
    PhotosUpload::path($new_scheme, $file, $account);

    // Move file.
    $old_file_wrapper = \Drupal::service('stream_wrapper_manager')
      ->getScheme($uri) . '://';
    if ($old_file_wrapper != $file_wrapper) {
      $new_uri = str_replace($old_file_wrapper, $file_wrapper, $uri);
      file_move($file, $new_uri);
      if ($new_scheme == 'public') {
        $pathinfo = pathinfo($uri);
        $ext = strtolower($pathinfo['extension']);
        $clear_private_styles[] = 'image_' . $fid . '.' . $ext;
      }

      // Clear image page cache.
      $cache_tags[] = 'photos:image:' . $fid;
    }
  }

  // Check private image style settings.
  $private_styles_setting = \Drupal::config('photos.settings')
    ->get('photos_private_file_styles');
  if (!empty($clear_private_styles) && $private_styles_setting == 'automatic') {

    // Delete private image styles.
    $private_image_styles_path = $private_scheme . '://photos/tmp_images';

    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    foreach ($clear_private_styles as $basename) {

      // Find all derivatives for this image.
      $file_uris = $file_system
        ->scanDirectory($private_image_styles_path, '~\\b' . $basename . '\\b~');
      foreach ($file_uris as $uri => $data) {

        // Delete.
        \Drupal::service('file_system')
          ->delete($uri);
      }
    }
  }

  // Clear album page cache.
  $cache_tags[] = 'photos:album:' . $nid;

  // Invalidate image page and album page cache as needed.
  Cache::invalidateTags($cache_tags);
}