}
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsTargetFileDoesNotExist(GLOBAL, form.fileName), this::asListHtml);
        });
        saveInfo(messages -> messages.addSuccessDeleteFile(GLOBAL, form.fileName));
        validate(form, messages -> {}, this::asListHtml);
        verifyToken(this::asListHtml);
        return redirect(getClass());
    }

            throwValidationError(messages -> messages.addErrorsFailedToDeleteFile(GLOBAL, pi.getName()),
                    () -> asListHtml(encodeId(pi.getPath())));
        }
        saveInfo(messages -> messages.addSuccessDeleteFile(GLOBAL, pi.getName()));
        return redirectWith(getClass(), moreUrl("list/" + encodeId(pi.getPath())));
    }

    /**
     * Creates a new directory in the storage system.
     *