public CommandResponse <User> GetUserWriteNoResult(string username)
{
var user = _userRepository.GetUser(username);
if (user is null)
{
CommandResponse <User> .FromFailure("USER.NOT.FOUND", user);
}
return(CommandResponse <User> .FromSuccess(user));
}
public async Task <CommandResponse <User> > Authenticate(string username, string password)
{
var user = (await _mediator.Send(GetUserByQuery.New(x => x.Username == username))).FirstOrDefault();
if (user is null || !PasswordHelper.VerifyPasswordHash(password, user.PasswordHash, user.PasswordSalt))
{
return(CommandResponse <User> .FromFailure(AuthentificationServiceException.AuthentificationFailed));
}
return(CommandResponse <User> .FromSuccess(user));
}
public async Task <CommandResponse <UserView> > Handle(FindUserByUsernameCommand request, CancellationToken cancellationToken)
{
var query = new GetUserByQuery(x => x.Username == request.Username);
var user = (await _mediator.Send(query)).FirstOrDefault();
if (user is null)
{
return(CommandResponse <UserView> .FromFailure(FindUserByUsernameCommandException.UserNotFound));
}
var userView = UserView.FromUser(user);
return(CommandResponse <UserView> .FromSuccess(userView));
}
public async Task <CommandResponse <UserView> > Handle(RegisterUserCommand request, CancellationToken cancellationToken)
{
var user = new User(request.Username);
var isUsernameAlreadyExists = (await _mediator.Send(new GetUserByQuery(x => x.Username == user.Username))).Any();
if (isUsernameAlreadyExists)
{
return(CommandResponse <UserView> .FromFailure(RegisterUserCommandException.UsernameAlreadyExists));
}
var userCreated = await _mediator.Send(new RegisterUserQuery(user, request.Password));
var userView = UserView.FromUser(userCreated);
return(CommandResponse <UserView> .FromSuccess(userView));
}