/// <summary>
/// Provides station suggestions when the query changes.
/// </summary>
private async void OnQueryChanged()
{
await TryExecuteAsync(async _ =>
{
var request = new StationSearchRequest
{
StationName = Query,
UserLocation = _locationService.LastKnownLocation == null ? null : new GeoPoint
{
Latitude = _locationService.LastKnownLocation.Latitude,
Longitude = _locationService.LastKnownLocation.Longitude
}
};
// Don't use the provided token, having a bunch of OperationCanceledExceptions is too slow
var response = await _transportService.SearchStationsAsync(request, CancellationToken.None);
if (response.Status != TransportStatus.Success)
{
throw new Exception("An error occurred on the server while fetching stations.");
}
Stations = response.Stations;
});
}
public Task <StationSearchResponse> SearchStationsAsync(StationSearchRequest request, CancellationToken cancellationToken)
{
return(Task.FromResult
(
new StationSearchResponse
{
Status = TransportStatus.Success,
Stations = new[]
{
new Station
{
Name = "UNIL-Dorigny"
},
new Station
{
Name = "UNIL-Mouline"
},
new Station
{
Name = "UNIL-Sorge"
}
}
}
));
}
/// <summary>
/// Finds the station with the specified name, adds it to the settings, and navigates back.
/// </summary>
private async Task AddStationByNameAsync(string stationName)
{
if (_pluginSettings.Stations.Any(s => s.Name == stationName))
{
_navigationService.NavigateBack();
}
await TryExecuteAsync(async token =>
{
var request = new StationSearchRequest
{
StationName = stationName
};
var response = await _transportService.SearchStationsAsync(request, token);
if (response.Status != TransportStatus.Success)
{
throw new Exception("An error occurred on the server while fetching stations.");
}
_pluginSettings.Stations.Add(response.Stations[0]);
_navigationService.NavigateBack();
});
}
public Task <StationSearchResponse> SearchStationsAsync(StationSearchRequest request, CancellationToken cancellationToken)
{
return(CallAsync <StationSearchRequest, CancellationToken, StationSearchResponse>(x => x.SearchStationsAsync, request, cancellationToken));
}
