public void ConfirmNewUser(string userId, UserAndOrganizationDTO userAndOrg)
{
var applicationUser = _usersDbSet.First(user => user.Id == userId);
_userAdministrationValidator.CheckIfEmploymentDateIsSet(applicationUser.EmploymentDate);
var hasRole = _userManager.IsInRole(userId, Constants.Authorization.Roles.FirstLogin);
_userAdministrationValidator.CheckIfUserHasFirstLoginRole(hasRole);
var addRoleResult = _userManager.AddToRole(userId, Constants.Authorization.Roles.User);
var removeRoleResult = _userManager.RemoveFromRole(userId, Constants.Authorization.Roles.NewUser);
_userAdministrationValidator.CheckForAddingRemovingRoleErrors(addRoleResult.Errors, removeRoleResult.Errors);
_notificationService.SendConfirmedNotificationEmail(applicationUser.Email, userAndOrg);
SetTutorialStatus(applicationUser, false);
AddUserToMainWall(userId);
_uow.SaveChanges(userAndOrg.UserId);
}