public async Task IssueAuthenticationTokens(HttpResponse Response, UserModel user) { var oldToken = await _RefreshTokenManager.GetOneByUserIdAsync(user.Id); var authorizationToken = GenerateAuthenticationToken(user.Username); _CookieService.AppendAuthenticationCookie(Response, authorizationToken); var newToken = GenerateAuthenticationRefreshToken(); _CookieService.AppendRefreshAuthenticationCookie(Response, newToken.Token); await _RefreshTokenManager.UpdateAsync(oldToken.Token, newToken); }