public void Checkout()
{
if (customerInfo == null) // no previous transactions
{
if (customerRegistrationInfo == null) // unregistered customer
{
IgniteDataAccess.CreateNewTransaction(ItemGiveaway.ItemId, ItemGiveaway.ProductQty, IgniteDataAccess.UNREGISTERED_CUSTOMERID);
}
else
{
IgniteDataAccess.CreateNewTransaction(ItemGiveaway.ItemId, ItemGiveaway.ProductQty, customerRegistrationInfo.CustomerFaceHash);
}
}
else
{
IgniteDataAccess.CreateNewTransaction(ItemGiveaway.ItemId, ItemGiveaway.ProductQty, customerInfo.CustomerFaceHash);
}
// TODO: report transaction success status
// Prepare for the next customer
UpdateCustomer(null);
ItemGiveaway.Reset(IgniteDataServices.GetLocatedProduct(), 1);
TotalItems = 1;
IsWarningNoCheckout = false;
}
void OnCardReceived(string uid)
{
var ignored = this.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
IgniteDataServices.SetLocatedProduct(uid);
this.ViewModel.Update();
});
}
public CheckoutViewModel()
{
// Ideally, both customer and item should be recognized somehow, but here
// intialize with unrecognized customer and default located product
ItemGiveaway = new ProductViewModel();
Product locatedProd = IgniteDataServices.GetLocatedProduct();
ItemGiveaway.Reset(locatedProd, 1); // one item at a time please
TotalItems = 1;
ProductChoices = new ObservableCollection <Product>(ProductCatalog.Instance.Products);
// Limit choices to similar items
//ProductChoices = new ObservableCollection<Product>(from prod in ProductCatalog.Instance.Products
// where prod.ProductHierarchyName == locatedProd.ProductHierarchyName
// select prod);
}
private CustomerRegistrationInfo customerRegistrationInfo; // obtained form registration UI
public void UpdateCustomer(CustomerRegistrationInfo info)
{
customerRegistrationInfo = info;
if (info != null && info.CustomerName.Length > 0)
{
customerInfo = IgniteDataAccess.GetCustomerInfo(info.CustomerFaceHash);
if (customerInfo == null) // first visit
{
IsRecognized = true;
IsUnrecognized = false;
CustomerName = info.CustomerName;
VisitDateStr = "";
PreviousPurchase = "";
RecommendedActions = IgniteDataServices.GetRecommendedActions(customerInfo);
IsWarningNoCheckout = true; // we want to avoid having registered customers without transactions
}
else // second visit
{
IsRecognized = true;
IsUnrecognized = false;
CustomerName = customerInfo.CustomerName;
VisitDateStr = customerInfo.PreviousVisitDate.ToString("MM/dd/yyyy");
PreviousPurchase = ProductCatalog.Instance.GetProductById(customerInfo.SourceItemId).ItemDescription;
RecommendedActions = IgniteDataServices.GetRecommendedActions(customerInfo);
}
}
else
{
customerInfo = null;
IsRecognized = false;
IsUnrecognized = true;
CustomerName = "";
VisitDateStr = "";
PreviousPurchase = "";
RecommendedActions = "";
}
}
private async void OnResetCustomerCounterClicked(object sender, RoutedEventArgs e)
{
int resetVal = Util.ToIntSafely(SettingsHelper.Instance.CustomerCounterResetValue, 0);
await IgniteDataServices.ResetCustomerCounter(resetVal);
}
public void Update()
{
FaqUri = new System.Uri(IgniteDataServices.GetLocatedProduct().ProductFaqSrc);
}
