public AgentsViewModel(IAgentRepository agentRepo, IViewModelFactory vmFactory,
IUserInteraction ui)
{
_agentRepo = agentRepo;
_vmFactory = vmFactory;
var agentVms = agentRepo.GetAll().Select(x => CreateAgentViewModel(x));
Agents.ReplaceItems(agentVms);
AddAgentCommand = new ActionCommand(o =>
{
Agents.Add(CreateAgentViewModel(null));
IsDirty = true;
});
DeleteAgentCommand = new ActionCommand(_ =>
{
var selectedAgent = Agents.FirstOrDefault(x => x.IsSelected);
if (selectedAgent == null)
{
ui.ShowWarning("No agent selected.");
return;
}
if (!ui.AskForConfirmation($"Are you sure you want to delete the selected '{selectedAgent.Id}' agent?", "Delete agent"))
{
return;
}
Agents.Remove(selectedAgent);
if (!string.IsNullOrEmpty(selectedAgent.Id))
{
agentRepo.Delete(selectedAgent.Id);
}
});
CommitAgentsCommand = new ActionCommand(_ => CommitAgents(),
_ => IsDirty && !HasErrors);
ResetChangesCommand = new ActionCommand(_ => {
foreach (var agent in Agents)
{
agent.ResetForm();
}
IsDirty = false;
}, _ => IsDirty);
PropertiesAreInitialized = true;
}
public TrackerViewModel(IEventBus eventBus,
IProductRepository productRepo,
IViewModelFactory vmFactory,
IUserInteraction ui,
ITrackerScanContext scanContext)
{
_eventBus = eventBus;
_productRepo = productRepo;
_vmFactory = vmFactory;
_scanContext = scanContext;
RefreshAllCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
EnqueueScan(Products);
});
RefreshSelectedCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
EnqueueScan(Products.Where(x => x.IsSelected).ToArray());
});
OpenAddProductFlyoutCommand = new ActionCommand(o => {
IsAddEditProductVisible = !IsAddEditProductVisible;
if (IsAddEditProductVisible)
{
EditingProduct = vmFactory.CreateTrackerProduct(null);
EditingProduct.CommitProductCommand.Executed
.Take(1)
.Subscribe(_ => {
IsAddEditProductVisible = false;
ReloadList();
});
}
});
OpenEditProductFlyoutCommand = new ActionCommand(o => {
EditingProduct = Products.FirstOrDefault(x => x.IsSelected);
EditingProduct.CommitProductCommand.Executed
.Take(1)
.Subscribe(_ => {
IsAddEditProductVisible = false;
});
IsAddEditProductVisible = EditingProduct != null;
});
DeleteProductCommand = new ActionCommand(_ => {
IsAddEditProductVisible = false;
var selectedProduct = Products.FirstOrDefault(x => x.IsSelected);
if (selectedProduct == null)
{
ui.ShowWarning("No product selected.");
return;
}
if (!ui.AskForConfirmation($"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;
}
public TrackerProductViewModel(Product product, IEventBus eventBus,
IAgentRepository agentRepo, IProductPriceManager productMng,
IProductRepository productRepo, IProductStatusProvider statusProvider,
IUserInteraction ui)
{
_agentRepo = agentRepo;
_productMng = productMng;
_productRepo = productRepo;
_statusProvider = statusProvider;
_product = product;
_ui = ui;
RefreshAgents();
RefreshCategories();
if (_product != null)
{
ResetForm();
Reconcile(false);
}
CommitProductCommand = new ActionCommand(_ => CommitProduct());
ShowInBrowserCommand = new ActionCommand(_ =>
ui.ShowProductInBrowser(_product.Lowest?.ProductSource));
AddSourceCommand = new ActionCommand(_ =>
Sources.Add(CreateSourceViewModel(null)));
ResetCommand = new ActionCommand(_ => {
ResetForm();
}, _ => _product != null);
DropPricesCommand = new ActionCommand(_ => {
if (!_ui.AskForConfirmation("Are you sure?", "Prices drop confirmation"))
{
return;
}
_productRepo.DropPrices(_product);
Reconcile(true);
});
RefreshPriceCommand = new ActionCommand(_ => {
if (Status == ProductScanStatus.Scanning)
{
return;
}
_productMng.EnqueueScan(product.Id);
}, _ => Status != ProductScanStatus.Scanning);
eventBus.WhenFired <AgentsUpdatedEvent, AgentDeletedEvent>()
.ObserveOnDispatcher()
.Subscribe(_ =>
RefreshAgents()
);
eventBus.WhenFired <ProductUpdatedEvent, ProductAddedEvent>()
.ObserveOnDispatcher()
.Subscribe(_ =>
RefreshCategories()
);
PropertiesAreInitialized = true;
}