public async Task <MainLoginDto> ExchangeCodeForToken(string code)
{
var dto = new MainLoginDto();
var oAuthToken = await _tokenService.GetOAuthToken(code);
dto.AccessToken = oAuthToken.access_token;
var oAuthVerify = await _tokenService.GetOAuthVerify(dto.AccessToken);
dto.CharacterId = oAuthVerify.CharacterID;
dto.CharacterName = oAuthVerify.CharacterName;
_characterService.CreateOrUpdateMain(dto);
return(dto);
}