/// <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
});
}
/// <summary>
/// Attach mail to a mail group.
/// </summary>
/// <param name="mailId">Id of mail to attach.</param>
/// <param name="mailGroupId">Id of group to attach to.</param>
/// <returns>Associate entry of mail attached to mail group.</returns>
public MailGroupMail AddMailToMailGroup(int mailId, int mailGroupId)
{
var mail = _context.Mails.SingleOrDefault(x => x.Id == mailId);
var mailGroup = _context.MailGroups.SingleOrDefault(x => x.Id == mailGroupId);
if (!isRequestValid(mail, mailGroup))
{
return(null);
}
var mailGroupMail = new MailGroupMail()
{
MailId = mailId,
MailGroupId = mailGroupId
};
_context.Add(mailGroupMail);
_context.SaveChanges();
return(mailGroupMail);
}