private void CreateCertificate(int testId, int score)
{
var user = _userService.GetUserByEmail(User.Identity.Name);
var lastCertificateNumber = _certificateService.GetLastCertificateNumber();
var numbers = Convert.ToInt32(lastCertificateNumber.Substring(2));
numbers++;
var certificate = new CertificateDTO
{
Score = score,
CertificateNumber = "CN" + numbers,
TestDate = DateTime.Now,
TestId = testId,
UserId = user.UserID
};
_certificateService.CreateCertificate(certificate);
}