function DatabaseFileUsageBackend::delete

Overrides FileUsageBase::delete

File

core/modules/file/src/FileUsage/DatabaseFileUsageBackend.php, line 66

Class

DatabaseFileUsageBackend

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

Namespace

Code

public function delete(FileInterface $file, $module, $type = NULL, $id = NULL, $count = 1) {
  // Delete rows that have an exact or less value to prevent empty rows.
  $query = $this->connection
    ->delete($this->tableName)
    ->condition('module', $module)
    ->condition('fid', $file->id());
  if ($type && $id) {
    $query->condition('type', $type)
      ->condition('id', $id);
  }
  if ($count) {
    $query->condition('count', $count, '<=');
  }
  $result = $query->execute();
  // If the row has more than the specified count decrement it by that number.
  if (!$result && $count > 0) {
    $query = $this->connection
      ->update($this->tableName)
      ->condition('module', $module)
      ->condition('fid', $file->id());
    if ($type && $id) {
      $query->condition('type', $type)
        ->condition('id', $id);
    }
    $query->expression('count', '[count] - :count', [
      ':count' => $count,
    ]);
    $query->execute();
  }
  parent::delete($file, $module, $type, $id, $count);
}