public RestoraniViewModel()
{
//postavljanje komandi
SearchCommand = new RelayCommand<object>(obaviSearch, mozelSearch);
//lambda funkcije iz RPR da se ne prave metode za minorne stvari
OpenSearchCommand = new RelayCommand<object>((object parametar) => SearchMode = true, (object parametar) => true);
CloseSearchCommand = new RelayCommand<object>((object parametar) => SearchMode = false, (object parametar) => true);
Restorani = new ObservableCollection<Restoran>();
RestoraniDS = new RestoranDataSource();
SearchOpcije = new SearchOpcije();
//defaultne opcije da ima nekih restorana
SearchOpcije.GeoSirina = 40.7;
SearchOpcije.GeoDuzina = -74;
//povuci restorane i kad se obavi upit, pozovi restorani loaded
RestoraniDS.dajRestoraneFourSquare(SearchOpcije,RestoraniLoaded);
}
public async void dajRestoraneFourSquare(SearchOpcije so, Action callback)
{
Restorani = new List<Restoran>();
//povuci opcije iz json file
JsonObject servicesConfig = JsonValue.Parse(File.ReadAllText("ServicesConfig.json")).GetObject();
//samo jednom ide registracija
if (con == null)
{
con = new FourSqareConnector(servicesConfig.GetNamedObject("FourSquareApiService").GetNamedObject("options"));
await con.authenticate();
}
VenService = new VenusService(con.OAuthToken);
await VenService.getVenus(so.GeoSirina, so.GeoDuzina);
foreach(Venue v in VenService.Venues)
{
Restorani.Add(new Restoran(v));
}
callback();
}