public async Task <ActionResult> DetailsByYear(string id, int year)
{
RentalRepository repo = new RentalRepository();
IEnumerable <Rental> result = await repo.GetAllByRegistrationNumberAndYear(id, year);
var viewModel = new RentalDetailsYearViewModel()
{
RegistrationNumber = id,
Month = result.Select(a => a.Month).Distinct().OrderBy(a => a).ToDictionary(c => c, c => CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(c)),
Year = year,
AggregatedData = GetAggregatedData(result),
Rentals = result
};
return(View(viewModel));
}