public IActionResult Details(Guid id)
        {
            try
            {
                var viewModel = new DetailsEmployeeViewModel
                {
                    Employee            = employeeService.GetById(id),
                    HolidayApplications = holidayApplicationService.GetAllForEmployee(id)
                };

                return(PartialView("_Details", viewModel));
            }
            catch (Exception e)
            {
                return(BadRequest(e.Message));
            }
        }
        public IActionResult GetAllForEmployee()
        {
            try
            {
                var userId = userManager.GetUserId(User);

                var viewModel = new HolidayApplicationViewModel
                {
                    Employee            = employeeService.GetByUserId(userId),
                    HolidayApplications = holidayApplicationService.GetAllForEmployee(userId)
                };

                return(PartialView("_GetAllForEmployee", viewModel));
            }
            catch (Exception e)
            {
                return(BadRequest(e.Message));
            }
        }