public async Task <UserCreatedResponse> Handle(CreateUserCommand request, CancellationToken cancellationToken)
{
var isUsernameTaken = (await _boringBankDbContext.Users
.AsNoTracking()
.FirstOrDefaultAsync(x => x.Username.ToLower() == request.Username.ToLower())) != null;
if (isUsernameTaken)
{
throw new Exception($"User already exists with username {request.Username}");
}
var user = new User
{
Username = request.Username,
BankAccount = new BankAccount()
};
_boringBankUserService.SetUserPassword(user, request.Password);
_boringBankDbContext.Users.Add(user);
await _boringBankDbContext.SaveChangesAsync(cancellationToken);
var token = _boringBankTokenService.CreateTokenFromUser(user);
return(new UserCreatedResponse
{
AccessToken = token,
UserId = user.UserId,
BankAccountId = user.BankAccount.BankAccountId
});
}
public Task <UserAuthenticationResponse> Handle(AuthenticateUserCommand request, CancellationToken cancellationToken)
{
var hasValidCredentials = _boringBankUserService.ValidateUsernameAndPassword(request.Username, request.Password);
if (!hasValidCredentials)
{
throw new Exception("Invalid username or password");
}
var user = _boringBankUserService.FindUserByUsername(request.Username);
var token = _boringBankTokenService.CreateTokenFromUser(user);
return(Task.FromResult(new UserAuthenticationResponse
{
AccessToken = token
}));
}