public async Task<ActionResult> Add(int? year = null)
{
if (year == null) await YearManager.AddAsync();
else await YearManager.AddAsync(year.Value);
return RedirectToAction("Index");
}
public async Task<ActionResult> Index()
{
var viewModels = (await YearManager.GetAllAsync<Year>())
.Select(YearMapper.Map<Year, YearViewModel>)
.OrderByDescending(x => x.Year).ToArray();
return View(viewModels);
}