private async void RunAddress()
{
this.SetSearchState(true);
this.SearchDescription = "Ermittle Position der Adresse ...";
GlobalCoordinate position = await GeoCoder.GetPositionForAddress(this.AddressStreet + "\n" + this.AddressTown);
if (position == null)
{
this.SetSearchState(false);
CrossToast.ShowToast("Positionsermittlung fehlgeschlagen");
return;
}
this.SearchDescription = "Suche Tankstellen ...";
List <PriceInfo> results = await ApiRequests.RequestGasStations(position);
if (results == null)
{
this.SetSearchState(false);
CrossToast.ShowToast("Suche fehlgeschlagen!");
return;
}
if (results.Count > 0)
{
// Add prices to the database
DbDataProvider.Instance.AddPricesToHistory(results);
this.ResultsFound?.Invoke(this, results);
this.SearchDescription = String.Empty; // bug fix for small return delay
}
else
{
this.SetSearchState(false);
CrossToast.ShowToast("Es wurden keine Tankstellen gefunden.");
}
}
private async void RunGps()
{
this.SetSearchState(true);
this.SearchDescription = "Bestimme aktuelle Position ...";
GlobalCoordinate position = await GeoLocator.GetCurrentPosition();
if (position == null)
{
this.SetSearchState(false);
CrossToast.ShowToast("Positionsbestimmung fehlgeschlagen!");
return;
}
this.SearchDescription = "Suche Tankstellen ...";
List <PriceInfo> results = await ApiRequests.RequestGasStations(new GlobalCoordinate(position.Latitude, position.Longitude));
if (results == null)
{
this.SetSearchState(false);
CrossToast.ShowToast("Suche fehlgeschlagen!");
return;
}
if (results.Count > 0)
{
// Add prices to the database
DbDataProvider.Instance.AddPricesToHistory(results);
this.ResultsFound?.Invoke(this, results);
this.SearchDescription = String.Empty; // bug fix for small return delay
}
else
{
this.SetSearchState(false);
CrossToast.ShowToast("Es wurden keine Tankstellen gefunden.");
}
}
public async void Load()
{
if (this.FavoriteCount > 0)
{
this.IsLoadingPrices = true;
IEnumerable <String> stationIds = this.Favorites.Select(vm => vm.RepresentedStation.ID);
Dictionary <String, Price> results = await ApiRequests.RequestPrices(stationIds);
if (results != null)
{
foreach (KeyValuePair <String, Price> result in results)
{
this.Favorites.First(fav => fav.RepresentedStation.ID == result.Key).RepresentedPrice = result.Value;
}
}
else
{
CrossToast.ShowToast("Preisanfrage fehlgeschlagen");
}
this.IsLoadingPrices = false;
}
}
private void SaveSettings()
{
AppSettings.FuelType = (FuelType)this.FuelTypeIndex;
CrossToast.ShowToast("Einstellungen gespeichert");
}
private void AddStationToFavorites()
{
bool favoriteKicked = DbDataProvider.Instance.AddFavouriteStation(this.RepresentedStation);
if (favoriteKicked) CrossToast.ShowToast("Ein Favorit wurde entfernt und durch diese Tankstelle ersetzt.");
this.IsFavorite = DbDataProvider.Instance.IsFavorite(this.RepresentedStation.ID);
}