public function DatabaseFileUsageBackend::add in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/file/src/FileUsage/DatabaseFileUsageBackend.php \Drupal\file\FileUsage\DatabaseFileUsageBackend::add()

Records that a module is using a file.

Examples:

• A module that associates files with nodes, so $type would be 'node' and $id would be the node's nid. Files for all revisions are stored within a single nid.
• The User module associates an image with a user, so $type would be 'user' and the $id would be the user's uid.

Parameters

\Drupal\file\FileInterface $file: A file entity.

string $module: The name of the module using the file.

string $type: The type of the object that contains the referenced file.

string $id: The unique ID of the object containing the referenced file.

int $count: (optional) The number of references to add to the object. Defaults to 1.

Overrides FileUsageBase::add

File

core/modules/file/src/FileUsage/DatabaseFileUsageBackend.php, line 70

Class

DatabaseFileUsageBackend

Defines the database file usage backend. This is the default Drupal backend.

Namespace

Drupal\file\FileUsage

Code

public function add(FileInterface $file, $module, $type, $id, $count = 1) {
  $this->connection
    ->merge($this->tableName)
    ->keys([
    'fid' => $file
      ->id(),
    'module' => $module,
    'type' => $type,
    'id' => $id,
  ])
    ->fields([
    'count' => $count,
  ])
    ->expression('count', 'count + :count', [
    ':count' => $count,
  ])
    ->execute();
  parent::add($file, $module, $type, $id, $count);
}