Blog.Web.Api.Controllers.AccountController.RegisterExternal C# (CSharp) Method

        public async Task<IHttpActionResult> RegisterExternal(RegisterExternalBindingModel model)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var info = await Authentication.GetExternalLoginInfoAsync();
            if (info == null)
            {
                return InternalServerError();
            }

            var user = new BlogUser { UserName = model.Email, Email = model.Email };

            var result = await UserManager.CreateAsync(user);
            if (!result.Succeeded)
            {
                return GetErrorResult(result);
            }

            result = await UserManager.AddLoginAsync(user.Id, info.Login);
            return !result.Succeeded ? GetErrorResult(result) : Ok();
        }