public async Task <ActionResult <SignInOutput> > SignIn([Required] string code)
{
var oAuthAccessToken = await _facebookOAuthService.GetAccessTokenAsync(code);
var userInfo = await _facebookOAuthService.GetUserInfoAsync(oAuthAccessToken);
var userProfile = await _authenticationService.GetUserProfileAsync(userInfo);
var(accessToken, expires) = _authenticationService.GenerateAuthorizationToken(userProfile);
return(CreateSignInOutput(accessToken, expires));
}
