public ActionResult ConfirmEmail(string validateToken)
        {
            EmailConfirmation emailconf = new EmailConfirmation();

            try
            {
                if (Request.IsAuthenticated)
                {
                    var username = User.Identity.Name;
                    string decryptedEmail = EncryptionUtility.Decrypt(validateToken);
                    emailconf.Email = decryptedEmail;
                    using (PnPTestAutomationEntities dbContext = new PnPTestAutomationEntities())
                    {
                        var user = dbContext.UsersSets.FirstOrDefault(
                        u => u.Email.Equals(decryptedEmail, StringComparison.InvariantCultureIgnoreCase)
                        && u.UPN.Equals(username, StringComparison.InvariantCultureIgnoreCase));
                        if (user != null)
                        {
                            user.IsEmailVerified = true;
                            user.SendTestResults = true;
                            dbContext.SaveChanges();
                            emailconf.IsEmailVerified = true;
                        }
                    }
                }
                else
                {
                    HttpContext.GetOwinContext().Authentication.Challenge(new AuthenticationProperties { RedirectUri = "/Usersettings/ConfirmEmail/" + validateToken },
                  OpenIdConnectAuthenticationDefaults.AuthenticationType);
                }
            }
            catch (Exception ex)
            {
                throw;
            }

            return View(emailconf);
        }
        public ActionResult UpdateSettings(string email, bool isSendTestResults)
        {
            EmailConfirmation emailConfirmation = new EmailConfirmation();

            try
            {
                if (Request.IsAuthenticated)
                {
                    var username = User.Identity.Name;
                    StringBuilder sbUserStatus = new StringBuilder();
                    using (PnPTestAutomationEntities dbContext = new PnPTestAutomationEntities())
                    {
                        var user = dbContext.UsersSets.SingleOrDefault(u => u.UPN.Equals(username, StringComparison.InvariantCultureIgnoreCase));

                        if (user != null)
                        {
                            if (!isSendTestResults)
                            {
                                user.SendTestResults = false;
                                user.Email = email;
                                user.IsEmailVerified = false;
                                dbContext.SaveChanges();

                                emailConfirmation.IsSettingsUpdated = true;
                            }
                            else if (isSendTestResults && user.Email != email)
                            {
                                user.SendTestResults = true;
                                user.Email = email;
                                dbContext.SaveChanges();

                                SendEmail(email);
                                emailConfirmation.IsEmailSent = true;
                            }
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                throw;
            }

            return View(emailConfirmation);
        }