public CargoCodePage()
{
InitializeComponent();
String icon = "IconCheck.png";
BindingContext = this;
_cargoService = new CargoService(App.Database.sqlite);
CargoNamesList.ItemsSource = CargoList;
ToolbarItems.Add(new ToolbarItem
{
Icon = icon,
Command = new Command(() =>
{
Device.BeginInvokeOnMainThread(async() =>
{
await Navigation.PopModalAsync();
});
}),
});
CargoNamesList.ItemSelected += (object sender, SelectedItemChangedEventArgs e) =>
{
App.Request.Cargo = (Cargo)e.SelectedItem;
Device.BeginInvokeOnMainThread(async() =>
{
await Navigation.PopModalAsync();
});
};
Search.TextChanged += async(sender, e) =>
{
if (e.NewTextValue.Length != 0)
{
Loader.IsVisible = true;
var databaseCargo = await _cargoService.FindByCode(e.NewTextValue);
if (databaseCargo.Count == 0)
{
if (!DownloadCheker.IsCargoDownloadedByCode(e.NewTextValue))
{
DataRetrievalHelper dataHelper = new DataRetrievalHelper();
await dataHelper.GetAndSaveCargoByCode(e.NewTextValue[0]);
databaseCargo = await _cargoService.FindByCode(e.NewTextValue);
}
}
CargoList.Clear();
foreach (var cargo in databaseCargo)
{
CargoList.Add(cargo);
}
Loader.IsVisible = false;
CargoNamesList.IsVisible = CargoList.Count != 0;
}
else
{
CargoNamesList.IsVisible = false;
}
};
}
public DataRetrievalHelper()
{
_stationService = new StationService(App.Database.sqlite);
_cargoService = new CargoService(App.Database.sqlite);
_observers = new List <IObserver <Message> >();
}