public async Task <IHttpActionResult> RegisterExternal(RegisterExternalBindingModel model)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var user = await _repo.FindUserAsync(new UserLoginInfo(model.Provider, model.UserId));
var hasRegistered = user != null;
if (hasRegistered)
{
return(BadRequest("External user is already registered"));
}
user = new ApplicationUser()
{
UserName = model.UserName, Id = Guid.NewGuid().ToString()
};
var result = await _repo.CreateUserAsync(user);
if (!result.Succeeded)
{
return(GetErrorResult(result));
}
var info = new ExternalLoginInfo()
{
DefaultUserName = model.UserName,
Login = new UserLoginInfo(model.Provider, model.UserId)
};
result = await _repo.AddUserLoginAsync(user.Id, info.Login);
if (!result.Succeeded)
{
return(GetErrorResult(result));
}
//generate access token response
var accessTokenResponse = _authService.GenerateLocalAccessTokenResponse(user.UserName, user.Id, Startup.OAuthBearerOptions);
return(Ok(accessTokenResponse));
}