public static void Initialize(this ITownDefViewModel viewModel, IEnumerable<Town> towns, ITown town)
{
QueryNamesService service = new QueryDistinctCityNamesService(towns);
viewModel.CityList
= service.Query().ToList().Select(
x => new SelectListItem { Value = x, Text = x, Selected = x == town.CityName }).ToList();
service = new QueryDistinctDistrictNamesService(towns, town.CityName);
viewModel.DistrictList
= service.Query().ToList().Select(
x => new SelectListItem { Value = x, Text = x, Selected = x == town.DistrictName }).ToList();
service = new QueryDistinctTownNamesService(towns, town.CityName, town.DistrictName);
viewModel.TownList
= service.Query().ToList().Select(
x => new SelectListItem { Value = x, Text = x, Selected = x == town.TownName }).ToList();
}
public IEnumerable<string> GetTownList(string cityName, string districtName)
{
QueryNamesService service = new QueryDistinctTownNamesService(
townRepository.GetAll(), cityName, districtName);
return service.Query().ToList();
}