public int RegUser(string username, Credentials credentials, bool isTeacher, int regKey)
{
Ensure.String.IsNotNullOrWhiteSpace(username);
Ensure.Any.IsNotNull(credentials);
Ensure.Bool.IsFalse(_userRepository.GetAll().Any(u => u.Credentials.Email.Equals(credentials.Email)),
nameof(RegUser), opt => opt.WithException(new UserAlreadyExistsException(credentials.Email)));
var key = _keysRepository.GetKey(regKey);
Ensure.Bool.IsTrue(key.UserEmail == credentials.Email, nameof(key.UserEmail),
opt => opt.WithException(new InappropriateEmailException(key.UserEmail, credentials.Email)));
CheckKey(key, KeyAppointment.BecomeAdmin, KeyAppointment.BecomeModerator);
var userType = key.Appointment.Equals(KeyAppointment.BecomeAdmin) ? UserType.Admin : UserType.Moderator;
var user = new User(username, credentials, isTeacher, userType, _userSettings.DefaultAvatar);
_userRepository.Add(user);
return(user.Id);
}
