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
     */
    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
     */
    public function isSecurityRename() : bool {
        return $this->securityRename;
    }
    
    /**
     * Returns if there was a file rename.
     *
     * @return bool
     */
    public function isRenamed() : bool {
        return $this->originalFilename !== $this->sanitizedFilename;
    }
    
    /**
     * Gets the sanitized filename.
     *
     * @return string
     */
    public function getSanitizedFilename() : string {
        return $this->sanitizedFilename;
    }
    
    /**
     * Gets the File entity.
     *
     * @return \Drupal\file\FileInterface
     */
    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;
    }

}