public static async Task <IList <City> > GetHasHistoricalSightAsync()
{
var rest = new CityRest();
var cities = await rest.GetHasHistoricalSightAsync() ?? GetLocalCities();
SetLocalCities(cities);
return(cities);
}
public async Task <IList <City> > GetHasHistoricalSightAsync()
{
var service = new CityRest();
var items = await service.GetHasHistoricalSightAsync();
ApplicationManager <string> .AddOrUpdate("cities", items);
return(items.OrderBy(o => o.Name).ToList());
}
public static async Task <IList <City> > GetHasHistoricalSightAsync()
{
var rest = new CityRest();
var result = await rest.GetHasHistoricalSightAsync();
if (result.IsValid)
{
SetLocalCities(result.Value);
return(result.Value);
}
else
{
return(GetLocalCities());
}
}