public ModalCardDatabaseUpdateInterface(
ICardDatabaseManager cardDatabaseManager,
ICardDatabaseUpdateService cardDatabaseUpdateService,
IModalDisplay modalDisplay,
Dispatcher uiDispatcher)
{
_cardDatabaseManager = cardDatabaseManager.Require(nameof(cardDatabaseManager));
_cardDatabaseUpdateService = cardDatabaseUpdateService.Require(nameof(cardDatabaseUpdateService));
_modalDisplay = modalDisplay.Require(nameof(modalDisplay));
_uiDispatcher = uiDispatcher.Require(nameof(uiDispatcher));
}
public CardDatabaseUpdateModalViewModel(
ICardDatabaseManager cardDatabaseManager,
ICardDatabaseUpdateService cardDatabaseUpdateService,
Dispatcher uiDispatcher)
{
_cardDatabaseManager = cardDatabaseManager.Require(nameof(cardDatabaseManager));
_cardDatabaseUpdateService = cardDatabaseUpdateService.Require(nameof(cardDatabaseUpdateService));
_uiDispatcher = uiDispatcher.Require(nameof(uiDispatcher));
_currentVersion = _cardDatabaseManager.GetCurrentVersion();
var cancellation = new CancellationTokenSource();
Task.Run(
async() =>
{
int numDots = 1;
while (!cancellation.IsCancellationRequested)
{
LatestVersion = string.Join(" ", Enumerable.Range(1, numDots).Select(__ => "."));
await Task.Delay(1000);
numDots = (numDots % 3) + 1;
}
});
Task <int?> getLatestVersion = _cardDatabaseUpdateService.GetLatestVersion();
getLatestVersion.ContinueWith(__result => cancellation.Cancel());
getLatestVersion.ContinueWith(
__result =>
{
_latestVersion = __result.Result;
LatestVersion = _latestVersion?.ToString() ?? "unknown";
_uiDispatcher.Invoke(() => _canExecuteDownloadChanged?.Invoke());
},
TaskContinuationOptions.NotOnFaulted);
getLatestVersion.ContinueWith(
__result =>
{
LatestVersion = "unknown";
ErrorMessage = "Could not determine latest version!";
},
TaskContinuationOptions.OnlyOnFaulted);
}
