class FileUploadResult

class FileUploadResult {
  
  /**
   * If the filename was renamed for security reasons.
   *
   * @var bool
   */
  protected $securityRename = FALSE;
  
  /**
   * The sanitized filename.
   *
   * @var string
   */
  protected $sanitizedFilename;
  
  /**
   * The original filename.
   *
   * @var string
   */
  protected $originalFilename;
  
  /**
   * The File entity.
   *
   * @var \Drupal\file\FileInterface
   */
  protected $file;
  
  /**
   * The constraint violations.
   *
   * @var \Symfony\Component\Validator\ConstraintViolationListInterface
   */
  protected ConstraintViolationListInterface $violations;
  
  /**
   * Creates a new FileUploadResult.
   */
  public function __construct() {
    $this->violations = new ConstraintViolationList();
  }
  
  /**
   * Flags the result as having had a security rename.
   *
   * @return $this
   */
  public function setSecurityRename() : FileUploadResult {
    $this->securityRename = TRUE;
    return $this;
  }
  
  /**
   * Sets the sanitized filename.
   *
   * @param string $sanitizedFilename
   *   The sanitized filename.
   *
   * @return $this
   */
  public function setSanitizedFilename(string $sanitizedFilename) : FileUploadResult {
    $this->sanitizedFilename = $sanitizedFilename;
    return $this;
  }
  
  /**
   * Gets the original filename.
   *
   * @return string
   *   The original filename.
   */
  public function getOriginalFilename() : string {
    return $this->originalFilename;
  }
  
  /**
   * Sets the original filename.
   *
   * @param string $originalFilename
   *   The original filename.
   *
   * @return $this
   */
  public function setOriginalFilename(string $originalFilename) : FileUploadResult {
    $this->originalFilename = $originalFilename;
    return $this;
  }
  
  /**
   * Sets the File entity.
   *
   * @param \Drupal\file\FileInterface $file
   *   A file entity.
   *
   * @return $this
   */
  public function setFile(FileInterface $file) : FileUploadResult {
    $this->file = $file;
    return $this;
  }
  
  /**
   * Returns if there was a security rename.
   *
   * @return bool
   *   TRUE when the file was renamed for a security reason, FALSE otherwise.
   */
  public function isSecurityRename() : bool {
    return $this->securityRename;
  }
  
  /**
   * Returns if there was a file rename.
   *
   * @return bool
   *   TRUE when the file was renamed, FALSE otherwise.
   */
  public function isRenamed() : bool {
    return $this->originalFilename !== $this->sanitizedFilename;
  }
  
  /**
   * Gets the sanitized filename.
   *
   * @return string
   *   The sanitized filename.
   */
  public function getSanitizedFilename() : string {
    return $this->sanitizedFilename;
  }
  
  /**
   * Gets the File entity.
   *
   * @return \Drupal\file\FileInterface
   *   The file entity.
   */
  public function getFile() : FileInterface {
    return $this->file;
  }
  
  /**
   * Adds a constraint violation.
   *
   * @param \Symfony\Component\Validator\ConstraintViolationInterface $violation
   *   The constraint violation.
   */
  public function addViolation(ConstraintViolationInterface $violation) : void {
    $this->violations
      ->add($violation);
  }
  
  /**
   * Adds constraint violations.
   *
   * @param \Symfony\Component\Validator\ConstraintViolationListInterface $violations
   *   The constraint violations.
   */
  public function addViolations(ConstraintViolationListInterface $violations) : void {
    $this->violations
      ->addAll($violations);
  }
  
  /**
   * Gets the constraint violations.
   *
   * @return \Symfony\Component\Validator\ConstraintViolationListInterface
   *   The constraint violations.
   */
  public function getViolations() : ConstraintViolationListInterface {
    return $this->violations;
  }
  
  /**
   * Returns TRUE if there are constraint violations.
   */
  public function hasViolations() : bool {
    return $this->violations
      ->count() > 0;
  }

}