public FlightSearchPageViewModel(INavigationService navigationService, FlightSearchState flightSearchState, IPageDialogService pageDialogService)
: base(navigationService)
{
_pageDialogService = pageDialogService;
Title = "Flight Finder (Empty Basket)";
FlightSearchState = flightSearchState;
SearchCommand = new DelegateCommand(Search);
AddCommand = new DelegateCommand <Itinerary>(Add);
}
private async void Search()
{
if (Airports is null)
{
await GetAllAirports();
}
var criteria = new SearchCriteria(Airports.ToArray()[FromAirportsSelectedIndex].Code,
Airports.ToArray()[ToAirportsSelectedIndex].Code);
await FlightSearchState.SearchFlights(criteria);
Itineraries = FlightSearchState.SearchResults;
}
private async Task GetAllAirports()
{
try
{
Airports = await FlightSearchState.GetAllAirports().ConfigureAwait(false);
}
catch (Exception ex)
{
await _pageDialogService.DisplayAlertAsync("Error", ex.Message, "Okay");
}
if (Airports != null && Airports.Count() > 1)
{
// set default airports
FromAirportsSelectedIndex = 1;
ToAirportsSelectedIndex = 2;
}
}
private void Add(Itinerary itinerary)
{
FlightSearchState.AddToShortlist(itinerary);
Title = $"Flight Finder (Basket: {FlightSearchState.Shortlist.Count})";
}
