public async Task <Optional <UserDTO> > CreateAsync(UserDTO userDTO)
{
Expression <Func <User, bool> > filter = user
=> user.Email.ToLower() == userDTO.Email.ToLower();
var userExists = await _userRepository.GetAsync(filter);
if (userExists != null)
{
await _mediator.PublishDomainNotificationAsync(new DomainNotification(
ErrorMessages.UserAlreadyExists,
DomainNotificationType.UserAlreadyExists));
return(new Optional <UserDTO>());
}
var user = _mapper.Map <User>(userDTO);
user.Validate();
if (!user.IsValid)
{
await _mediator.PublishDomainNotificationAsync(new DomainNotification(
ErrorMessages.UserInvalid(user.ErrorsToString()),
DomainNotificationType.UserInvalid));
return(new Optional <UserDTO>());
}
user.SetPassword(_argon2IdHasher.Hash(user.Password));
var userCreated = await _userRepository.CreateAsync(user);
return(_mapper.Map <UserDTO>(userCreated));
}