public PurchaseResult(IPurchaseReport purchaseReport)
{
if (purchaseReport == null)
{
throw new ArgumentNullException(nameof(purchaseReport));
}
Report = purchaseReport;
}
public ICommandResult Execute()
{
this.ShowStock();
Console.Write("Enter item name: ");
string itemName = Console.ReadLine();
IPurchaseReport report = this.appServices.Purchase(itemName);
return(new PurchaseResult(report));
}
public void Execute()
{
this.ShowStock();
Console.Write("Enter item name: ");
string itemName = Console.ReadLine();
IPurchaseReport report = this.appServices.Purchase(itemName);
DisplayReport(report);
}
static TPurchaseReport Cast <TPurchaseReport>(ICommandResult cmdResult)
where TPurchaseReport : IPurchaseReport
{
PurchaseResult purchaseResult = cmdResult as PurchaseResult;
if (purchaseResult == null)
{
return(default(TPurchaseReport));
}
IPurchaseReport report = purchaseResult.Report;
return((TPurchaseReport)report);
}
private IView LocatePurchaseView(IPurchaseReport report)
{
if (report == null)
{
return(new EmptyView());
}
Type reportType = report.GetType();
if (reportType == typeof(FailedPurchase))
{
return(new FailedPurchaseView());
}
if (reportType == typeof(NotEnoughMoney))
{
return(new NotEnoughMoneyView(report as NotEnoughMoney));
}
if (reportType == typeof(NotRegistered))
{
return(new NotRegisteredView(report as NotRegistered));
}
if (reportType == typeof(NotSignedIn))
{
return(new NotSignedInView());
}
if (reportType == typeof(ProductNotFound))
{
return(new ProductNotFoundView(report as ProductNotFound));
}
if (reportType == typeof(Receipt))
{
return(new ReceiptView(report as Receipt));
}
return(new EmptyView());
}
private void DisplayReport(IPurchaseReport report)
{
Console.WriteLine(report.ToUiText());
}
