/// <summary>
/// Create and store an instance of <see cref="User"/>.
/// </summary>
/// <param name="nickname">Nickname of the user.</param>
/// <param name="username">A unique username of the user.</param>
/// <param name="password">An unhashed password.</param>
/// <param name="resolverContext">Resolver context used in error reporting.</param>
/// <returns>An instance of proxy class <see cref="UserSignUpPayload"/> containing some of user fields.</returns>
public UserSignUpPayload SignUp(string nickname, string username, string password, IResolverContext resolverContext)
{
if (nickname == null || username == null || password == null)
{
return(null);
}
if (_context.Users.Any(x => x.Username == username))
{
resolverContext.ReportError(ErrorBuilder.New()
.SetCode(UserSignUpErrorCode.UsernameNotUnique.ToString())
.SetMessage("Username is not unique!")
.Build());
return(null);
}
var user = new User()
{
Nickname = nickname,
Username = username,
Password = _hasher.CreateHash(password)
};
// Add and save user to generate Id
_context.Add(user);
_context.SaveChanges();
// Id and Username to ensures unique hash
user.Token = _tokenizer.CreateToken(user.Id + ";" + user.Username);
_context.Update(user);
_context.SaveChanges();
return(new UserSignUpPayload()
{
Id = user.Id,
Nickname = user.Nickname,
Token = user.Token
});
}
