public MainViewModel(
TrackerViewModel tracker,
AgentsViewModel agents,
SettingsViewModel settings,
LogsViewModel logs,
ITrackerScanContext scanContext,
INotifyIconViewModel notifyViewModel)
{
Tabs = new() {
tracker,
agents,
settings,
logs
};
scanContext.ScanProgress.Subscribe(args => {
if (args.Status == Helpers.TrackerScanStatus.InProgress)
{
ProgressState = TaskbarItemProgressState.Normal;
ProgressValue = args.Progress;
}
else if (args.Status == Helpers.TrackerScanStatus.InProgressWithErrors)
{
ProgressState = TaskbarItemProgressState.Paused;
ProgressValue = args.Progress;
}
else if (args.Status == Helpers.TrackerScanStatus.Finished)
{
var message = scanContext.HasNewLowestPrice
? "Prices for some products have become even lower! Check it out."
: "Nothing interesting has been caught.";
if (scanContext.HasErrors)
{
message += Environment.NewLine + "NOTE: Some products could not finish scanning properly. Check the logs for details.";
}
notifyViewModel.ShowBalloonTip("Scan finished", message,
scanContext.HasErrors ? BalloonIcon.Warning : BalloonIcon.Info);
ProgressState = TaskbarItemProgressState.None;
ProgressValue = 0;
}
else
{
ProgressState = TaskbarItemProgressState.None;
ProgressValue = 0;
}
});
}
public TrackerViewModel(IEventBus eventBus,
IProductRepository productRepo,
IViewModelFactory vmFactory,
IUserInteraction ui,
ITrackerScanContext scanContext)
{
_eventBus = eventBus;
_productRepo = productRepo;
_vmFactory = vmFactory;
_scanContext = scanContext;
RefreshAllCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
EnqueueScan(Products);
});
RefreshSelectedCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
EnqueueScan(Products.Where(x => x.IsSelected).ToArray());
});
OpenAddProductFlyoutCommand = new ActionCommand(o => {
IsAddEditProductVisible = !IsAddEditProductVisible;
if (IsAddEditProductVisible)
{
EditingProduct = vmFactory.CreateTrackerProduct(null);
EditingProduct.CommitProductCommand.Executed
.Take(1)
.Subscribe(_ => {
IsAddEditProductVisible = false;
ReloadList();
});
}
});
OpenEditProductFlyoutCommand = new ActionCommand(o => {
EditingProduct = Products.FirstOrDefault(x => x.IsSelected);
EditingProduct.CommitProductCommand.Executed
.Take(1)
.Subscribe(_ => {
IsAddEditProductVisible = false;
});
IsAddEditProductVisible = EditingProduct != null;
});
DeleteProductCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
var selectedProduct = Products.FirstOrDefault(x => x.IsSelected);
if (selectedProduct == null)
{
ui.ShowWarning("No product selected.");
return;
}
if (!ui.AskForConfirmation($"Are you sure you want to delete the selected '{selectedProduct.Name}' product?", "Delete product"))
{
return;
}
Products.Remove(selectedProduct);
_productRepo.Delete(selectedProduct.Id);
});
_eventBus.WhenFired <ProductScanStartedEvent>()
.ObserveOnDispatcher()
.Subscribe(ev =>
Products.First(x => x.Id == ev.Product.Id).Status = Core.Models.ProductScanStatus.Scanning
);
_eventBus.WhenFired <ProductScannedEvent>()
.Subscribe(ev => {
Products.First(x => x.Id == ev.Product.Id).Reconcile(ev.LowestPriceUpdated);
});
_eventBus.WhenFired <ProductScanFailedEvent>()
.Subscribe(ev => {
Products.First(x => x.Id == ev.Product.Id).SetFailed(ev.ErrorMessage);
});
Deactivated.Executed.Subscribe(_ =>
IsAddEditProductVisible = false);
RefreshOptions = new List <DropDownMenuItem> {
new DropDownMenuItem("Refresh all", RefreshAllCommand),
new DropDownMenuItem("Refresh selected", RefreshSelectedCommand),
};
ReloadList();
PropertiesAreInitialized = true;
}
