bool IEmployeesHelper.CheckLogin(LoginModel model)
        {
            var dbEmployee = _employeeRepository.Employees
                .Where(x => x.Email.Equals(model.Login))
                .FirstOrDefault();

            if (dbEmployee != null)
            {
                var decryptedPassword = PasswordHelper.Decrypt(dbEmployee.Password);

                if (String.Equals(decryptedPassword, model.Password))
                    return true;
            }

            return false;
        }
        employees IEmployeesHelper.GetEmployeeModel(LoginModel model)
        {
            var dbEmployee = _employeeRepository.Employees
                .Where(x => x.Email.Equals(model.Login))
                .FirstOrDefault();

            return dbEmployee;
        }
        public ActionResult Login(LoginModel loginModel)
        {
            if (_employeesHelper.CheckLogin(loginModel))
            {
                FormsAuthentication.SetAuthCookie(loginModel.Login, false);
                var model = _employeesHelper.GetEmployeeModel(loginModel);

                this.Session["Employee"] = model;

                return RedirectToAction("Index");
            }
            else
            {
                ModelState.AddModelError("", "Nieprawidłowa nazwa użytkownika lub hasło!");
                return View();
            }
        }