App.Web.Controllers.LoginController.Post C# (CSharp) Méthode

        public HttpResponseMessage Post(LoginUser loginUser)
        {
            if (!this.ModelState.IsValid)
            {
                return this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, this.ModelState);
            }

            var user = this.db.Users.GetByUserNameOrEmail(loginUser.UserName, loginUser.Password);

            if (user == null)
            {
                this.ModelState.AddModelError(string.Empty, "The username or password provided is incorrect.");
                return this.Request.CreateErrorResponse(HttpStatusCode.BadRequest, this.ModelState);
            }

            this.formsAuth.SetAuthCookie(user.UserName, true);

            return this.Request.CreateResponse(
                HttpStatusCode.OK,
                new
                {
                    UserName = user.UserName,
                    Email = user.Email,
                    EmailHash = user.EmailHash,
                    DisplayName = user.DisplayName
                });
        }