public IActionResult Register([FromBody] RegisterComputerModel registerComputerModel) { if (ModelState.IsValid) { if (_computerService.CheckUniqueLogin(registerComputerModel.Login)) { ComputerViewModel computer = _computerService.RegisterNewComputer(registerComputerModel.Login , registerComputerModel.Password); return(Ok(computer)); } else { return(BadRequest("Login already use")); } } else { return(BadRequest(ModelState)); } }